LTC1155 Просмотр технического описания (PDF) - Linear Technology

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LTC1155

Dual High Side Micropower MOSFET Driver

Linear Technology 

LTC1155

TYPICAL APPLICATI S

Logic Controlled Boost Mode Switching Regulator with Short-Circuit Protection and 8µA Standby Current

4.75V TO 5.25V

+

100µF

FROM µP, ETC.

VS

DS1

IN1

1/2

LTC1155

G1

GND

FAULT

1N4148

+

68µF

*COILTRONICS CTX-7-52

0.33µF

100k

0.02Ω

MTM25N05L

5V SWITCHED

50µH*

5

4

1

LT1170

2

1k

3

1µF

1N5820

12V/1A

10.7k

1% +

2200µF

1.24k

1%

1155 TA12

High Efficiency 60Hz Full-Wave Synchronous Rectifier

18V

1N4746A

100k

**

S

1N4148

IRFZ44*

D

9V/3A

DC

110V AC

12.6VCT

10k

10Ω

2–

7

1N4148

6

LT1006

3+

1N4148

4

DS1 VS

IN1

DS2

G1

LTC1155

IN2

G2

GND

+

4700µF

16V

0.03Ω

10k

+ 10µF

100k

1N4001

1N4148

18V

1N4746A S

**

D

IRFZ44*

MOSFETs ARE SYNCHRONOUSLY ENHANCED WHEN RECTIFIER CURRENT EXCEEDS 300mA

*NO HEATSINK REQUIRED. CASES (DRAINS) CAN BE TIED TOGETHER

**INTERNAL BODY DIODE OF MOSFET

1155 TA13

12

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