RV5VE001C 查看數據表（PDF） - RICOH Co.,Ltd.

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RV5VE001C

MULTI-POWER SUPPLY

RICOH Co.,Ltd. 

RV5VE0×××

DESCRIPTION OF EACH CIRCUIT

1. Voltage Regulators 1,2

• Voltage Regulators 1, 2 are linear regulators which can be constructed of external PNP Transistor, and are capa-

ble of obtaining a large output current by a small Dropout Voltage.

• Output Voltage of each of Voltage Regulators 1, 2 can be set stepwise with a step of 0.1V in the range of 3V to 6V

by laser trim.

• Voltage Regulators 1, 2 can be turned ON/OFF by Control Pins.

• Use External PNP Transistor of a low saturation type, with an hFE of 100 or more.

• Use Voltage Regulators 1, 2 with the attachment of a Capacitor with a capacitance of 10µF or more to the Output

Pins.

2. Voltage Regulators 3,4

• Voltage Regulators 3, 4 are CMOS type linear regulators and have the same structure as those of Voltage

Regulators R×5RL and R×5RE series.

• Output Voltage of each of Voltage Regulators 3, 4 can be set stepwise with a step of 0.1V in the range of 2V to 6V

by laser trim.

• Voltage Regulators 3, 4 can be turned ON/OFF by Control Pins.

3. Voltage Detector 1

• When Voltage Detector 1 detects the lowering of VSEN1, the level of the output of Voltage Detector 1 becomes “L”

level. The output of Voltage Detector 1 is Nch Open Drain Output.

• Voltage Detector 1 can be set as follows by optional mask:

1. ON/OFF Control of Voltage Detector 1.

2. Output of Voltage Detector 1 at the detection can be set at “L” level or “H” level.

3. Output of Voltage Detector 1 at OFF can be set at “L” level or “H” level.

4. Sense Pins of Voltage Detectors 1, 2 can be connected to Output ROUT1, ROUT2, ROUT3, ROUT4 of Voltage

Regulators or VDD within the IC.

4. Voltage Detector 2

• When Voltage Detector 2 detects the lowering of VSEN2, the level of the output of Voltage Detector 2 becomes “L”

level. The output of Voltage Detector 2 is Nch Open Drain Output.

• Voltage Detector 2 can set Reset Delay Time. Delay Time can be set in accordance with the capacitance CD of

External Capacitor as shown on the following pages.

• Voltage detector 2 can be set as follows by optional mask:

1. ON/OFF Control of Voltage Detector 2.

2. Output of Voltage Detector 2 at the detection can be set at “L” level or “H” level.

3. Output of Voltage Detector 2 at OFF can be set at “L” level or “H” level.

4. Sense Pins of Voltage Detectors 2 can be connected to Output ROUT1, ROUT2, ROUT3, ROUT4 of Voltage

Regulators or VDD within the IC.

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