11

LTC1701/LTC1701B

TYPICAL APPLICATIO S

All Ceramic Capacitor 2.5V Converter

2mm Nominal Height 1.5V Converter

5V to 3.3V Converter with Push-Button On/Off

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.

LOAD CURRENT (mA)

1

90

85

80

75

70

65

60

55

50

10

100

1000

1701TA01b

LTC1701

LTC1701B

SW

GND

C4

1

µF

+

R3

5.1k

R4

1M

R1

100k

D1

C3

330pF

C1

15

µF

C5

4.7

µF

+

C2

22

µF

R2

20k

L1

4.7

µH

2.5V TO

5.5V

(1.5V/0.5A)

LTC1701

C1: AVX TAJA156M010R

C2: AVX TAJA226M006R

1701 TA01a

D1: MBRM120L

L1: MURATA LQH3C4R7M24

C4: TAIYO YUDEN LMK212BJ105MG

C5: TAIYO YUDEN JMK212BJ475MG

LOAD CURRENT (mA)

1

100

95

90

85

80

75

70

10

100

1000

1701 TA02b

LTC1701

LTC1701B

Efficiency Curve

Efficiency Curve

LTC1701B Low Current Pulse Skip

SW

GND

C4

1

µF

R3

5.1k

R4

1M

R1

121k

D1

C3

180pF

C6

33pF

C1

10

µF

C2

10

µF

R2

121k

L1

4.7

µH

2.5V TO

5.5V

LTC1701

C1, C2: TAIYO YUDEN JMK316BJ106ML

C4, C5: TAIYO YUDEN LMK212BJ105MG

C5

1

µF

(2.5V/0.5A)

1701 TA02

L1: MURATA LQH3C4R7M24

D1: MBRM120L

SW

GND

C4

1

µF

+

R3

5.1k

R5

5.1M

R1

20.5k

D1

C3

330pF

C1

15

µF

C5

1

µF

+

C2

22

µF

R2

34k

R4

1M

L1

4.7

µH

3.3V TO

5.5V

(3.3V/

0.5A)

LTC1701

C1: AVX TAJA156M010R

C2: AVX TAJA226M006R

C4, C5: TAIYO YUDEN LMK212BJ105MG

1701 TA03a

ON

OFF

D1: MBRM120L

L1: MURATA LQH3C4R7M24

20mV/DIV

50mA/DIV

5

µs/DIV

1701 TA03b