LT1054MJ8 데이터 시트보기 (PDF) - Linear Technology

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LT1054MJ8

Switched-Capacitor Voltage Converter with Regulator

Linear Technology 

LT1054/LT1054L

TYPICAL APPLICATIONS

VIN

3.5V TO 5.5V

3.5V to 5V Regulator

20k 1N914

1N914

1N914

10µF

VIN = 3.5V TO 5.5V

VOUT = 5V

IOUT(MAX) = 50mA

FB/SHDN V+

CAP+ OSC

LT1054

GND VREF

CAP – VOUT

R1

5µF

20k

1µF

R2

125k

1

8

2

7

LTC1044

3

6

4

5

1µF

0.002µF R2

125k

100µF 3k

VOUT = 5V

1N5817

2N2219

1N914

LT1054 • TA10

Regulating 200mA, 12V to – 5V Converter

5µF + 12V

10Ω

1/2W 10µF

FB/SHDN V+

CAP+ OSC

LT1054 #1

GND VREF

CAP – VOUT

R1

39.2k

R2

200k

10µF

0.002µF

10Ω

1/2W

) ) R2

R1

=

|VOUT|

VREF

2

–

40mV

+1

=

|VOUT|

1.21V

+

1

,

REFER TO FIGURE 5

200µF

VOUT = –5V

IOUT = 0mA to 200mA

FB/SHDN V+

CAP+ OSC

LT1054 #2 20k

GND VREF

CAP – VOUT

HP5082-2810

LT1054 • TA11

Digitally Programmable Negative Supply

10µF

15V

+

5µF

FB/SHDN V+

CAP+ OSC

LT1054

GND VREF

CAP – VOUT

20k

20k

16

LT1004-2.5

2.5V

VOUT = –VIN (PROGRAMMED)

100µF

11

AD558

14 13

DIGITAL

INPUT

12

LT1054 • TA12

12

1054lff

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