Fujitsu MB39A104 manual Parts List, Component Specification Vendor

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MB39A104

■PARTS LIST

COMPONENT	ITEM		SPECIFICATION		VENDOR	PARTS No.

Q1, Q2	Pch FET		VDS = −30 V, ID = −6 A		TOSHIBA	TPC8102

D1, D2	Diode		VF = 0.42 V (Max) , at IF = 3 A		ROHM	RB0530L-30

L1, L2	Inductor		15 ∝H	3.6 A, 50 mΩ	SUMIDA	CDRH104R-150

C1	Ceramics Condenser		100 pF	50 V	TDK	C1608CH1H101J
C2, C6	OS-CONTM		10 ∝F	20 V	SANYO	20SVP10M
C3, C7	Ceramics Condenser		10 ∝F	25 V	TDK	C3225JF1E106Z
C4, C8	OS-CONTM		82 ∝F	6.3 V	SANYO	6SVP82M
C10, C11, C20	Ceramics Condenser		0.1 ∝F	50 V	TDK	C1608JB1H104K
C12, C14, C21	Ceramics Condenser		1000 pF	50 V	TDK	C1608JB1H102K
C16, C17	Ceramics Condenser		0.1 ∝F	50 V	TDK	C1608JB1H104K

R1	Resistor		24 kΩ	0.5 %	ssm	RR0816P-243-D
R4, R5	Resistor		2.7 kΩ	0.5 %	ssm	RR0816P-272-D
R8, R13	Resistor		220 kΩ	0.5 %	ssm	RR0816P-224-D
R9, R14	Resistor		68 kΩ	0.5 %	ssm	RR0816P-683-D
R10	Resistor		150 kΩ	0.5 %	ssm	RR0816P-154-D
R11	Resistor		56 kΩ	0.5 %	ssm	RR0816P-563-D
R15	Resistor		100 kΩ	0.5 %	ssm	RR0816P-104-D
R16	Resistor		13 kΩ	0.5 %	ssm	RR0816P-133-D

Note : TOSHIBA : TOSHIBA Corporation
ROHM	: ROHM Co., Ltd
SANYO	: SANYO Electric Co., Ltd.
TDK	: TDK Corporation
SUMIDA : SUMIDA Electric Co., Ltd.
ssm	: SUSUMU Co., Ltd.

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Contents Package FeaturesDescription PIN Assignments MB39A104PIN Description Pin No Symbol DescriptionsBlock Diagram Recommended Operating Conditions Parameter Symbol Condition Rating Unit Min MaxParameter Symbol Condition Value Unit Min Typ Absolute Maximum RatingsMin Typ Max Electrical CharacteristicsParameter Pin No ConditionsPin No Conditions Value Unit Min Parameter SymbolReference Voltage vs. Ambient Temperature Typical CharacteristicsTriangular Wave Oscillation Frequency Power Dissipation vs. Ambient Temperature Functions Operating circuit Timer-latch overcurrent protection circuit block OCPUnder voltage lockout protection circuit Uvlo Protection circuit operating function tableSetting the Triangular Oscillation Frequency Setting the Output VoltageSetting the SOFT-START and Discharge Times MB39A104 Without Setting Soft-Start Time Treatment Without Using CS TerminalOvercurrent detection circuit About TIMER-LATCH Protection CircuitMethod to detect by mean current Overcurrent Protection Circuit Range of OperationTimer-latch short-circuit protection circuit Resetting the Latch of Each Protection Circuit Treatment Without Using Cscp TerminalEquivalent Circuit On Power on OFF Standby mode Component Specification Vendor Parts ListCH1 Selection of ComponentsCH2 = 3 2 ⋅ 0.05 ⋅ 0.174 = 0.078 W Example Peak-to-peak value ΔIL Di ≥ I O ⋅ 1 − ESR ≤ ΠfC L 050 491 ESR ≤ ΠfC L 033 364 Total Efficiency vs. Input Voltage Reference DataSwitching Wave Form CH1 Part number Package Remarks Usage PrecautionOrdering Information Do not apply negative voltagesIndex Package DimensionsFujitsu Limited