![](/images/new-backgrounds/1321608/32160835x1.webp)
•IC Block Diagrams
– SERVO section –
IC200 |
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| AVSS | ADRB | ADRT | AVDD | BIA2 | ADIO | VC AUX FE ABCD BOTM | PEAK | FILO FILI PCO CLTV | AVSS | RFI | BIAS | ASYI | ASYO | DVDD | DIFO | DIFI | DICV |
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| 75 | 74 | 73 | 72 | 71 | 70 | 69 68 67 66 65 64 | 63 62 61 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 51 |
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| 50 | DVSS |
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| DIN PLL |
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| 49 | DIPO | ||
SE | 76 |
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| ANALOG MUX |
| 34 MHz |
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| COMP |
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| (22 MHz) |
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| 48 | TEST2 | |||
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| PLL |
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TE | 77 |
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| OP AMP |
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| ECC |
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| 47 | MVC1 | ||
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TENV | 78 |
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| A/D |
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| ENCODER/ |
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| 46 | RAOF | |||||
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| CONVERTER |
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| DECODER |
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MID | 79 |
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| REGISTER |
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| EFM |
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APC | 80 |
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| MODULATOR |
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| 45 | EFMO | ||
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TEST1 | 81 |
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| 32K RAM |
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ADFG | 82 |
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| TIMING GENERATOR | EFM | 44 | XPLCK |
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| DIGITAL PLL | |||
TS25 | 83 |
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| REGISTER |
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| SERVO DSP |
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| EFM |
| 43 | GFS | ||||||||
LDDR | 84 |
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| DEMODULATOR | EFM SYNC | ||||||
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| DETECTOR/ | 42 | GTOP | |||
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TRDR | 85 | TRACKING PWM |
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| TRACKING SERVO |
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| PROTECTOR | 41 | WFCK | ||||
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TFDR | 86 | FOCUS PWM |
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| FOCUS SERVO |
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FFDR | 87 | SLED PWM |
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| SLED SERVO |
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| 40 | RFCK | |||
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DVDD | 88 |
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– MAIN section –
IC501 |
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D1 | 1 |
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| CLOCK OSC |
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| 26 | GND | |
D2 | 2 |
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| 25 | D4 | ||
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XWE | 3 |
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| 24 | D3 | |
XRAS | 4 |
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| (4) INPUT |
| 23 | XCAS | |
NC | 5 |
| COLUMN DECODER | BUFFER | 22 | XOE | |||
NC | 6 |
| 21 | NC | |||||
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NC | 7 |
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| SENSE REFRESH AMP |
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| 20 | NC | |
A9 | 8 |
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| 19 | NC | ||
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| INPUT/OUTPUT CONTROL SWITCH |
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A0 | 9 | ADDRESS BUFFER |
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| (4) OUTPUT |
| 18 | A8 | |
A1 | 10 |
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| 17 | A7 | ||||
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| MEMORY CELL |
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A2 | 11 | DECODERROW | BUFFER | 16 | A6 | ||||
(4194204 BIT) | |||||||||
A3 | 12 | 15 | A5 | ||||||
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VDD | 13 |
| 14 | A4 | |||||
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| PWM GENERATOR |
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| 39 | WDCK |
FRDR | 89 |
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| SUBCODE Q | GENERATOR |
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| DVDD | |
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| READER/ |
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FS4 | 90 |
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| GENERATOR |
| 37 | XBCK | |||
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SRDR | 91 |
| ADIP | ADIP |
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| 36 | MCLK | |
SFDR | 92 |
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| TIMING |
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| DEMODULATOR | DECODER |
| CLOCK | 35 | XTAI | |||
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SPRD | 93 |
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| GENERATOR | 34 | XTAO | |
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SPFD | 94 | DIGITAL |
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| 33 | LRCK |
DCLO | 95 | CLV | APC COMP./ | APC PWM |
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| 32 | BCK |
PROCESSOR | SUBCODE |
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DCLI | 96 |
| FILTER | GENERATOR | P~W |
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| 31 C2PO | |
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| PROCESSOR |
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XDCL | 97 |
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| AUDIO |
| 30 DTO | |
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| DATA |
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| SERVO AUTO | SENS |
| CONTROL |
| 29 | DTI |
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| SEQUENCER | CONTROL |
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| DIGITAL | 28 | DIDT |
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| 27 | DODT | |
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| AUDIO | ||
OFTRK | 98 | OFTRK/DFCT/ |
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| IN/OUT | 26 | DOVF |
FOK/C OUT/ |
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IC550 |
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SDATAI | 1 | SERIAL INPUT | VOLTAGE REFERENCE |
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EM/SCLK | 2 | INTERPOLATOR |
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| 8 | AOUT L | |
INTERFACE |
| ANALOG | |||||
LRCK | 3 |
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| 7 | VA+ | |
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| DAC | 6 | AGND | ||
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| FILTER | ||||
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| MODULATOR | 5 | AOUT R | |||
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MCLK | 4 |
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IC700, 701 | LB1638M |
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GND | 1 |
| 10 | N.C. |
IN1 | 2 | LOGIC | 9 | OUT1 |
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| CONTROL | 8 | VS |
VCC | 3 | 7 | OUT2 | |
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IN2 | 4 |
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GND | 5 |
| 6 | N.C. |
COUT | 99 | SHCK/TEOK | SERVO | CPU I/F | PEAK | |
PROCESSOR | CONTROL | |||||
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DVSS | 100 |
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| DETECT | |
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– POWER section –
IC900 MM1284XFFE
IC950 |
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| 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
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| TEOK | FOK | DFCT | SHCK | SSTOP | WRPWR |
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| DIRC | SWDT | SCLK | XLAT | SRDT | SENS | ADSY | SQSY | DQSY | XRST | SBOCK | SBODT | SBIOT | DOUT | DIN | FMCK | ADER | REC | DVSS |
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IC300 | MPC17A38ZVMEL |
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| RO1 | PGND | PGND |
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| RO2 | PGND |
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| RO3 | PGND | PGND |
| RO4 | PGND |
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| VG |
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| VD | VD | VD | FO1 | FO2 |
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| VD | VD | VD | FO3 |
| FO4 |
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| 7 | 12 | 16 | 8 | 11 | 9 | 10 | 15 |
| 13 | 14 | 21 | 25 | 30 | 29 | 26 | 27 | 28 | 22 | 24 | 23 |
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G | 1 |
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| DRIVER |
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| DRIVER |
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| DRIVER |
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| DRIVER |
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| DC/DC |
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| CONVERTER |
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| VC |
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| VC |
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| VC |
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| VC |
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| VC |
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| CLOCK |
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| CLK |
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| CONTROL |
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| CONTROL |
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| CONTROL |
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| CONTROL |
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| DETECTOR |
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| VC |
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| VC |
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| VC |
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| VC |
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| VC |
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| 2 | 3 |
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| 34 |
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| 6 | 5 | 33 |
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| 17 | 18 |
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| 31 |
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| 20 | 19 | 4 | 35 |
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| VC | CLK |
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| PS |
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| FI1 | RI1 | OE |
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| FI2 | RI2 |
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| FI3 |
| RI3 |
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| F/R4 | PI4 | GND | GND |
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| – 31 – |
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BUS ON OUT
BUS ON INPUT
GND
BUS CLK
VREF
BUS DATA
BUS RESET
1 | SW | 14 | VCC | |
2 | SW | 13 | BUS ON | |
3 |
| 12 | LINK OFF | |
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| 11 | CLK OUT | |
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| 10 | DATA OUT | |
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| 9 | DATA IN | |
7 | RESET | 8 | RESET | |
SW | ||||
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REF OUT | S.C.P | INV- | INPUT2 | FEED BACK2 | DEAD TIME | CONTROL2 | OUT2 | VCC | |
16 | 15 | 14 | 13 | 12 | 11 |
| 10 | 9 | |
VERF. |
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+2.5V | VCC |
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REFERENCE |
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VOLTAGE |
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| ERROR |
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| PWM |
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| AMP2 |
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+2.5V |
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| VERF |
| RATOR2 |
| OUTPUT2 | |
SHORT |
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CIRCUIT |
| VERF | VERF |
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PROTECTION |
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COMPARATOR |
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+ |
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| OUTPUT1 |
+ |
| S | R | R |
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– |
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VREF/2 |
| LATCH | U.V.L.O |
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| PWM |
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| COMPA- |
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| RATOR1 |
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TRIANGLE |
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OSCILLATOR |
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| ERROR |
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| GND | |||
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1 | 2 | 3 |
| AMP1 | 6 |
| 7 | 8 | |
| 4 | 5 |
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CT | RT |
| INV- INPUT1 | FEED BACK1 | DEAD TIME | CONTROL1 | OUT1 | GND | |
– 32 – |
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