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LTC1772B

LTC1772B High Efficiency, Small Footprint 3.3V to 1.8V/0.5A Regulator

LTC1772B

R4

10k

R1

0.15

Ω

R2

100k

R3

80.6k

L1

10

µH

M1

D1

C3

220pF

GND

6

5

4

1772 TA02

1

2

3

PGATE

C1

10

µF

10V

3.3V

1.8V

0.5A

C2

47

µF

6V

+

C1: TAIYO YUDEN CERAMIC

LMK325BJ106K-T

C2: SANYO POSCAP 6TPA47M

D1: MOTOROLA MBRM120T3

L1: COILTRONICS UP1B-100

M1: Si3443DV

R1: DALE 0.25W

LTC1772B 5V/0.5A Flyback Regulator

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

LTC1772B

R4

10k

R1

0.033

Ω

10

µH

10

µH

R2

52.3k

R3

10k

M1

D1

T1

C3

220pF

C1: TAIYO YUDEN CERAMIC

LMK325BJ106K-T

C2: AVXTPSE107M010R0100

D1: IR10BQ015

M1: Si9803

R1: DALE 0.25W

T1: COILTRONICS CTX10-4

GND

6

5

4

•

•

1772 TA04

1

2

3

PGATE

2.5V

TO 9.8V

5V

0.5A

C2

100

µF

10V

×2

C1

10

µF

10V

+

TYPICAL APPLICATIO S