LT3485 데이터 시트보기 (PDF) - Linear Technology

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LT3485

Photoflash Capacitor Chargers with Output Voltage Monitor and Integrated IGBT Drive

Linear Technology 

LT3485-0/LT3485-1/

LT3485-2/LT3485-3

TYPICAL PERFOR A CE CHARACTERISTICS LT3485-0 curves use the circuit of Figure 8, LT3485-1

curves use the circuit of Figure 9, LT3485-2 use the circuit of Figure 10 and LT3485-3 use the circuit of Figure 11 unless otherwise noted.

LT3485-0 Switching Waveform

LT3485-1 Switching Waveform

LT3485-2 Switching Waveform

VSW

10V/DIV

IPRI

1A/DIV

VIN = 3.6V

VOUT = 100V

1µs/DIV

3485 G19

VSW

10V/DIV

IPRI

1A/DIV

VIN = 3.6V

VOUT = 100V

1µs/DIV

3485 G20

VSW

10V/DIV

IPRI

1A/DIV

VIN = 3.6V

VOUT = 100V

1µs/DIV

3485 G21

LT3485-3 Switching Waveform

LT3485-0 Switching Waveform

LT3485-1 Switching Waveform

VSW

10V/DIV

IPRI

2A/DIV

VIN = 3.6V

VOUT = 100V

1µs/DIV

VSW

10V/DIV

3485 G22

IPRI

1A/DIV

VIN = 3.6V

VOUT = 300V

1µs/DIV

VSW

10V/DIV

3485 G23

IPRI

1A/DIV

VIN = 3.6V

VOUT = 300V

1µs/DIV

3485 G24

LT3485-2 Switching Waveform

LT3485-3 Switching Waveform

VSW

10V/DIV

IPRI

1A/DIV

VIN = 3.6V

VOUT = 300V

1µs/DIV

VSW

10V/DIV

3485 G25

IPRI

2A/DIV

VIN = 3.6V

VOUT = 300V

1µs/DIV

3485 G26

LT3485-0/LT3485-1/LT3485-2/

LT3485-3 Switch Breakdown

Voltage

10

SW PIN IS RESISTIVE UNTIL BREAKDOWN

9 VOLTAGE DUE TO INTEGRATED

RESISTORS. THIS DOES NOT INCREASE

8 QUIESCENT CURRENT OF PART

7

6

T = 25°C

5

4

T = –40°C

T = 85°C

3

2

1

0

VIN = VCHARGE = 5V

0 10 20 30 40 50 60 70 80 90 100

SWITCH VOLTAGE (V)

3485 G27

6

34850123fb

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