LTC3706IGN(RevB) View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC3706IGN
(Rev.:RevB)

Secondary-Side Synchronous Forward Controller with PolyPhase Capability

Linear Technology 

LTC3706

TYPICAL APPLICATION

VIN+

L1 1μH

1μF

100V

1μF

100V

s3

Si7852DP

Si7852DP

MURS120

T1

••

9:2

Si7336ADP

MURS120

1nF

100V

10Ω

0.25W

1nF

100V

10Ω

0.25W

L2 1.2μH

1.2Ω

Si7336ADP

s2

1μF

CMPSH1-4

VIN–

365k

1%

1nF

15k

1%

30μΩ

1W

2.2nF

250V

2mΩ

2W

10μF

25V

100Ω

100k

680pF

FQT7N10

BAS21 0.22μF

NDRV

BOOST TG TS BG IS

L1: VISHAY IHLP-2525CZ-01

L2: COILCRAFT SER2010-122

T1: PULSE PA0807

T2: PULSE PA0297

UVLO

LTC3705

FB/IN+

100Ω

T2

0.1μF • •

2.2μF

25V

VCC

SS/FLT

FS/IN–

GND PGND VSLMT

470pF

5k

1:2

33nF

162k

33nF

100Ω 100Ω

1nF

1μF

FG SW

IS–

IS+

PT+

CZT3019

2.2μF

16V

SG VIN

LTC3706

NDRV VCC

FS/SYNC

FB

ITH

PT–

RUN/SS GND PGND PHASE SLP MODE REGSD 680pF

100k

20k

Figure 5. 36V-72V to 3.3V/20A Isolated Forward Converter

(See Typical Performance Characteristics)

VOUT+

330mF

6.3V

s3

VOUT–

102k

1%

22.6k

1%

3706 F05

3706fb

18

Share Link: