Sanyo EP91G LV5604T, LV5621LP

Power Supply ICs for Single Lens Reflex Digital Cameras

LV5604T

■ Applications

unit: mm

Power Supply Switchingching ICsICs

LV5621LP

■Applications

unit: mm

8-channel switching regulator control IC

■Functions/Features

●Low voltage (3V minimum) operation

●Reference voltage precision: ± 1%

●Independent standby function for each of the 8 channels

●Is capable of driving MOS transistors

●Synchronous rectification: channels 1 and 2

●Supports inverting step-up operation

	9.0
	7.0
48	33
49	32
	7.0	9.0
64	17
1	16	0.125

0.40.16

(0.5)

1.2max 0.1 (1.0)

0.5

For digital still cameras

Switching IC between main and backup power supplies

■Functions/Features

●Low power dissipation

●Switching among 3 power sources

(main battery, button battery, external power supply)

●LDO×3 (2.6V, 3.0V, 3.2V)

●Three voltage detection circuits (2.6V, 2.8V, 2.2V)

TOP VIEW	SIDE VIEW	BOTTOM VIEW
2.6		(0.125)
			(0.13)
	(C0.116)
	2.6
	0.4		16
		2	1
LASER MARKED		0.5
INDEX		(0.55)
SIDE VIEW
	0.8
0.25	(0.035)

					SANYO: TQFP64J(7X7)
Type	Input voltage	Output voltage	Channels	Power stages	Package
Multiple power	3V to 15V	Programmable	8ch (Step up 3, down 5)	External	TQFP64J(7×7)
supply		externally

Block Diagram

FB8A

FB7A

FB6A

FB5A

FB4A

FB3A

FB2A

FB1A

CSOFT8

FB8

IN8

CSOFT7

FB7

IN7

CSOFT6

FB6

IN6

CSOFT5

FB5

IN5

FB5RE

IN5

IN5

CSOFT4

FB4

IN4

CSOFT3

FB3

IN3

CSOFT2

FB2

IN2

CSOFT1

FB1

IN1

VREF

+

-

-

-

-

-

RE

RE

-

-

-

-

_CLK

+

-

CTL

CTL

OUT

CLK

(NC)

+ +

+ +

+ +

+ +

+ +

+ +

+ +

+ +

-

-

-

-

-

-

-

-

_CLK

(NC)

IN

CT RT

OSC

STBY

OUT_SCP

STBY8

+ - -

+ - -

+ - -

- - +

- - +

- - +

- - +

- - +

STBY7

STBY6

CC SCP

STBY5

MODECH8_SEL down;-Step VBIASto Connect up;-Step

P(VS1)GND_

rectification rectificationDiode H: OUT3

SYNC2 SYNC2

rectificationDiode H: OUT2

SYNC1 SYNC1

stageoutput-Pre VBIAS1supplypower

systemSignal

SGND_

P(VS2)GND_

OUT8

CH8SEL_

OUT7

OUT6

OUT5

VBIAS2

OUT4

OUT2N

rectification

OUT1N

OUT1

STBY4

GND2 to Connect

Synchronous L:

Synchronous L:

supply power

SCP

STBY3

STBY2

STBY1

V

setting

ON/OFF

ON/OFF setting

ON/OFF setting

4V/100mA-

FB5A

3V/100mA.3

FB4A

FB3A

3V/100mA.3

FB2A

3V/100mA.3

FB1A

up-Step (UP)

FB8A

up-Step (UP)

FB7A

up-Step (UP)

FB6A

3

(INVENT)

Inversion

2

down-Step (DOWN)

down-Step (DOWN)

2

(DOWN)

down-Step

1

down-Step (DOWN)

VBAT

selected by SEL_CH8

V

V

V

V

O

O

O

O

Channel 8 step-up/step-down is

				SANYO: VCT16(2.6X2.6)
	Input voltage		Package		Applications
VCC1: 2.7V to 4.8V	VCC2: 3V	VCC3: 3.5V to 5.2V	VCT16(2.6×2.6)		For DSCs and game
					machines

Block Diagram

				VOUT
Lithium-ion/AC adapter	LDO1
VIN	REG 2.6V			VBATT M1	VBATT
(2.7 to 4.8V)
	30mA
		Voltage detection		Pch
		2.6V
		Hysteresis width
	LDO3	40mV			SW_VOUT
VBOOST	REG 3.2V			Pch
	60mA	10kΩ
					SW_ON
SEL
	200kΩ	Nch		Pch
					PULL_UPV
					PULL_UPON
					22kΩ
					BAT_OFF
	Voltage detection				22kΩ
	Set to low at 2.8V
	Set to high again at 2.9V			Nch
	Reset voltage				RESET
	detection 2.2V
			Delay circuit
	Hysteresis width
				Nch
	0.1V
		LDO2
	REG 3.0V				VCHG
	15mA
				1.1kΩ	DC_IN
BACK_CNT
	Input: LDO2 ON when H			600Ω
	GND			DC_IN

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