R1250V311A 查看數據表（PDF） - RICOH Co.,Ltd.

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R1250V311A

Negative Output Charge Pump Regulator (100mA)

RICOH Co.,Ltd. 

R1250V××1A

PIN DESCRIPTION

Pin No.

1

Symbol

CP+

2

GND

3

CP-

4

—C— E

5

NC

6

Vref

7

VOUT

8

VIN

Description

CP (Capacitor for Charge Pump) Positive Power Supply Pin

Ground Pin

CP (Capacitor for Charge Pump) Negative Power Supply Pin

Chip Enable Pin (active at “L”)

No Connection Pin

Output Pin for Reference Voltage (*Note1)

Output Pin for Negative Regulator

Power Supply Pin

*Note1 Vref is just a monitoring pin, therefore remain open. Do not connect any load. Refer to Techni-

cal Notes.

ABSOLUTE MAXIMUM RATINGS

Symbol

VIN

VCE

VP+

Vref

VP-

VOUT

IOUT

PD

Topt

Tstg

Item

VIN Supply Voltage

—C—E Pin Input Voltage

CP+ Pin Input Voltage

Vref Pin Voltage

CP- Pin Input Voltage

VOUT Pin Voltage

Output Current

Power Dissipation*NOTE1

Operating Temperature Range

Storage Temperature Range

Rating

-0.3 to 7.5

-0.3 to VIN+0.3

-0.3 to VIN+0.3

-0.3 to VIN+0.3

VIN-12 to +0.3

VIN-12 to +0.3

200

490

-40 to +85

-55 to +125

(GND=0V)

Unit

V

V

V

V

V

V

mA

mW

°C

°C

*Note1: Power dissipation is specified under the specified condition.

Conditions;

Evaluation Board Dimensions: 50mm × 50mm × 1.6mm

Material: Glass Epoxy (FR-4)

Reverse side of the evaluation board: Plane Copper

Surface of the evaluation board: Land pattern and Wiring

3

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