Fujitsu MB39C026 Podręcznik - Strona 3

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Fujitsu ASSP Product

3. Terminal information

4. Setup & Checkup

(1) Setup

• Connect a 3.7V power supply the VIN and PGND.

• Connect EN1 and EN2 = VIN.

• Connect VO1 and VO2 to loadings or measurement devices.

(2) Confirmation of Operation

• Turn on the power to VIN(power supply voltage).

•When IC operates normally, the voltage level at each output are as follows:

MB39C026G: VO1=1.2V, VO2=3.3V, POR=VIN

MB39C026J: VO1=1.2V, VO2=2.85V, POR=VIN

MB39C026L: VO1=1.2V, VO2=1.8V, POR=VIN

MB39C026N: VO1=1.8V, VO2=1.2V, POR=VIN

MB39C026 Evaluation Board

Pin Name

VIN

Input voltage terminal

PGND

Ground terminal for power supply

VO1

CH1 DC/DC converter output terminal

PGND1

Ground terminal for CH1 DC/DC converter

VO2

CH2 LDO output terminal

AGND

Ground terminal for LDO output

POR

Power-On-Reset output terminal

EN1

CH1 DC/DC converter control terminal

EN2

CH2 LDO control terminal

Description

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