R1211D002D 查看數據表（PDF） - RICOH Co.,Ltd.

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R1211D002D

STEP-UP DC/DC CONTROLLER

RICOH Co.,Ltd. 

R1211x

PIN CONFIGURATIONS

Top View

654

SON-6

Bottom View

456

SOT-23-6W

6

5

4

EXT GND VIN

(MARK SIDE)

DELAY AMPOUT/CE VFB

123

321

PIN DESCRIPTIONS

1

2

3

Pin No

Symbol

Pin Description

SON6

SOT23-6W

1

1

DELAY

Pin for External Capacitor

(for Setting Output Delay of Protection)

2

5

GND

Ground Pin

3

6

EXT

External FET Drive Pin (CMOS Output)

4

4

VIN

Power Supply Pin

5

3

VFB

Feedback Pin for monitoring Output Voltage

6

2

AMPOUT or CE

Amplifier Output Pin(A/C Version) or

Chip Enable Pin(B/D Version, Active at "H")

* Tab in the parts have GND level. (They are connected to the reverse side of this IC.)

Do not connect to other wires or land patterns.

ABSOLUTE MAXIMUM RATINGS

Symbol

Item

Rating

VIN

VIN Pin Voltage

6.5

VEXT

EXT Pin Output Voltage

−0.3 ~ VIN+0.3

VDLY

DELAY Pin Voltage

−0.3 ~ VIN+0.3

VAMP

AMPOUT Pin Voltage

−0.3 ~ VIN+0.3

VCE

CE Pin Input Voltage

−0.3 ~ VIN+0.3

VFB

VFB Pin Voltage

−0.3 ~ VIN+0.3

IAMP

AMPOUT Pin Current

±10

IEXT

EXT Pin Inductor Drive Output Current

±50

Power Dissipation (SOT-23-6W)*

430

PD

Power Dissipation (SON-6)*

500

Topt

Operating Temperature Range

−40 ~ +85

Tstg

Storage Temperature Range

−55 ~ +125

* ) For Power Dissipation, please refer to PACKAGE INFORMATION to be described.

Unit

V

V

V

V

V

V

mA

mA

mW

°C

°C

3

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