LT3579IUFD-1-PBF Просмотр технического описания (PDF) - Linear Technology

Номер в каталоге

Компоненты Описание

производитель

LT3579IUFD-1-PBF

6A Boost/Inverting DC/DC Converter with Fault Protection

Linear Technology 

LT3579/LT3579-1

TYPICAL APPLICATION

VFD (Vacuum Flourescent Display) Power Supply Switches at 1MHz

Danger High Voltage! Operation by High Voltage Trained Personnel Only

D6

D5

C4

2.2μF

D4

s2

D3

C3

2.2μF

s2

C6

2.2μF

s2

VOUT2

100V

330mA*

C5

2.2μF

s2

VOUT1

67V

500mA*

VIN

9V TO 16V

D2

L1

10μH

D1

M1**

D9**

C1

2.2μF

s3

100k

536k

CIN

10μF

SW1 SW2

VIN

FB

FAULT

GATE

LT3579

SHDN

RT

SYNC

CLKOUT

VC

GND SS

383k

27pF

86.6k

2.2μF

6.5k**

D8**

8.2V

34k

470pF

D7**

VIN

C2

2.2μF

s3

3579 TA17

CIN: 10μF, 25V, X7R, 1210

C1-C6: 2.2μF, 50V, X7R, 1210

D1-D6: DIODES INC SBR2A40P1

D7: CENTRAL SEMI CMDSH-3TR

D8: CENTRAL SEMI CMDZ5237B-LTZ

D9: DIODES INC MBRM360

L1: WÜRTH WE-PD 7447710

M1: SILICONIX SI7461DP

*MAX TOTAL

OUTPUT POWER

22W (VIN = 9V)

27W (VIN = 12V)

33W (VIN = 16V)

**OPTIONAL FOR OUTPUT

SHORT CIRCUIT PROTECTION

Efficiency and Power Loss (VIN = 12V)

90

5

85

4

80

3

75

2

70

1

65

0

0

5 10 15 20 25 30

TOTAL OUTPUT POWER (W)

3579 TA18

VOUT1

2V/DIV

AC COUPLED

VOUT2

2V/DIV

AC COUPLED

IL

1A/DIV

SW1

20V/DIV

Cycle-to-Cycle

1μs/DIV

3579 TA19

35791f

34

Share Link: