Fujitsu MB3788 manual PIN Assignment

Page 2

MB3788

(Continued)

•High-frequency operation: 100 kHz to 1 MHz

•On-chip timer and latch-type short-circuit detection circuit

•Wide error amplifier input voltage range: -0.2 V to VCC - 1.8 V

•On-chip high-accuracy reference voltage circuit: 2.50 V ±1%

•Output circuit

PNP transistor drive output pin: Push-pull type ON/OFF current values set independently

•On-chip standby function and output control function

•High-density packaging: SSOP-24P

■PIN ASSIGNMENT

VCC(out)

OUT1

VE1

Cb1

Ca1

FB1 -IN1(E) +IN1(E) -IN1(C)

-IN(PWN)

VCC

VREF

	(TOP VIEW)
1	24
2	23
3	22
4	21
5	20
6	19
7	18
8	17
9	16
10	15
11	14
12	13
	(FPT-24P-M03)

GND

OUT2

VE2

Cb2

Ca2

FB2

-IN2(E)

+IN2(E)

-IN2(C)

SCP

CTL2 CTL1

2

Image 2

Contents Package FeaturesDescription MB3788 PIN AssignmentPIN Description Pin No Pin name DescriptionsBlock Diagram MB3788Functional Description Timer and latch-type short-circuit protection circuit Low input voltage malfunction fail-safe circuitAbsolute Maximum Ratings Parameter Symbol Conditions Ratings Unit Min MaxParameter Symbol Conditions Values Unit Min Typ Max Recommended Operating ConditionsElectical Characteristics Parameter Symbol Conditions Value Unit Min Typ MaxPWM Standard Characteristic Curves TA = +25C Supply voltage VCC 8 12 16180 HOW to SET Output Voltage HOW to SET Output Current OFFLatch-Type Short-Circuit Protection Circuit Processing Without Using SCP PIN Processing without using SCP PinBasic Voltage-Drop Type DC/DC Converter Circuit DC/DC Converter a V φ Characteristic Measurement Diagram Application Circuit SCP Inpwm GNDOrdering Information Part number Package RemarksPackage Dimension IndexFujitsu Limited