LTC1682IMS8-3.3 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1682IMS8-3.3

Doubler Charge Pumps with Low Noise Linear Regulator

Linear Technology 

1 2 3 4 5 6 7 8 9 10 Next

BLOCK DIAGRA SM

LTC1682/LTC1682-3.3/LTC1682-5

VIN

6

C4

4.7µF

C1

0.22µF

C+ 7

5 C–

CHARGE PUMP

AND

SLEW CONTROL

CLK1

ENB

CPO

8

275k

C3

4.7µF

SHDN 2

FILT

3

1nF

POWER-

ON

RESET

SD

REGEN

ENB

200k

550kHz

REG B

OSCILLATOR

–

+

VIN

VREF = 1.235V

RA

120k/65.5k

REGEN

RB

200k

38k

328k

1:100

LDO

1µA/2µA

1

SD

100Ω

VOUT

C2

4.7µF

4

GND

1682 F02

Figure 2. LTC1682-3.3/LTC1682-5 Block Diagram

7

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