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Fujitsu MB3788 manual Processing Without Using Scp Pin, Processing without using SCP Pin

Models: MB3788

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MB3788

■PROCESSING WITHOUT USING SCP PIN

If the timer and latch-type short-circuit protection circuit is not used, connect the SCP pin (pin 15) to GND as close as possible. Also, connect the input pin of each channel comparator to the VCC pin (pin 11).

		11
		VCC
9	-IN1 (C)
16	-IN2 (C)
	SCP	GND
	15	24

Fig. 6 Processing without using SCP Pin

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Fujitsu MB3788 manual Processing Without Using Scp Pin, Processing without using SCP Pin

Contents

PACKAGE FEATURESFUJITSU SEMICONDUCTOR DATA SHEET DESCRIPTIONMB3788 PIN ASSIGNMENTContinued Descriptions PIN DESCRIPTIONPin No Pin nameMB3788 BLOCK DIAGRAMFUNCTIONAL DESCRIPTION 1 Reference voltage power circuit2 Error amplifier Power circuitMB3788 1 Timer and latch-type short-circuit protection circuit3. Protection Functions 2 Low input voltage malfunction fail-safe circuitParameter SymbolABSOLUTE MAXIMUM RATINGS RECOMMENDED OPERATING CONDITIONSMB3788 ELECTICAL CHARACTERISTICSValue SymbolParameter SymbolMB3788 ContinuedContinued STANDARD CHARACTERISTIC CURVES3.Reference voltage, output current setting pin voltage MB3788Continued MB3788VREF HOW TO SET OUTPUT VOLTAGEMB3788 ⋅ RMB3788 HOW TO SET OUTPUT CURRENTVPE = 50 mV + tPE ⋅ 10-6/CPE 0.65 = 50 mV + tPE ⋅ 10-6/CPE MB3788PROCESSING WITHOUT USING SCP PIN Fig. 6 Processing without using SCP PinMB3788 Fig. 7 Basic Voltage-Drop Type DC/DC Converter Circuit MB3788MB3788 Fig. 10 DC/DC Converter A V - φ Characteristic Measurement DiagramFig. 11 Gain - Frequency Characteristic Fig.12 Phase - Frequency Characteristic CurvesMB3788 APPLICATION CIRCUITPackage NOTES ON USEORDERING INFORMATION Part numberNote 1 *1 PACKAGE DIMENSIONNote 4 Pins width do not include tie bar cutting remainder MB3788MB3788 FUJITSU LIMITED