LT3592IMSE-TRPBF(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT3592IMSE-TRPBF
(Rev.:RevA)

500mA Wide Input Voltage Range Step-Down LED Driver with 10:1 Dimming

Linear Technology 

APPLICATIONS INFORMATION

D4

VIN

VIN

SW

LT3592

SHDNB

GND

FB

D4: MBR0540

VOUT

+

BACKUP

3592 F08

Figure 8. Circuit to Address Reversed Input and Backpowering Issues

LT3592

++

CLOSING SWITCH

SIMULATES HOT PLUG

IIN VIN

LT3592

VIN

GND

1μF

LOW

IMPEDANCE

ENERGIZED

32V SUPPLY

STRAY

INDUCTANCE

DUE TO 6 FEET

(2 METERS) OF

TWISTED PAIR

IIN

10A/DIV

VIN

20V/DIV

(9a)

5μs/DIV

++

++

+

10μF

35V

VIN LT3592

GND

2.2μF

IIN

10A/DIV

VIN

20V/DIV

(9b)

5μs/DIV

1Ω

0.1μF

LT3592

VIN

GND

2.2μF

IIN

10A/DIV

VIN

20V/DIV

(9c)

5μs/DIV

3493 F09

Figure 9. A Well Chosen Input Network Prevents Input Voltage Overshoot and

Ensures Reliable Operation When the LT3592 is Connected to a Live Supply

3592fa

17

Share Link: