LT3433
U
TYPICAL APPLICATIO
4V-60V to 5V at 100mA DC/DC Converter Burst Disabled
D
S2
D
L1
100µH
S1
B160A
B160A
V
OUT
5V
C6
47µF
100mA
D2
1N4148
V
SW_L
BST
C1
0.1µF
SW_H PWRGND
LT3433
V
IN
V
V
IN
OUT
4V TO 60V
D1
1N4148
+
C7
2.2µF
BURST_EN
V
BIAS
C5 1nF
C4 100pF
R1 68k
C2
0.1µF
V
C
SHDN
SS
V
FB
R3
305k
0.5%
R2
C3
0.01µF
SGND
100k
0.5%
3433 TA02
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
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Q
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OUT
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I
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SD
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OUT
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LT1766/LT1956
LT1767
60V, 1.2A (I ), 200kHz/500kHz High Efficiency Step-Down
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V : 5.5V to 60V, V
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SD
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OUT(MIN) Q
OUT
IN
25V, 1.2A (I ), 1.25MHz High Efficiency Step-Down
V : 3V to 25V, V
IN
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OUT(MIN) Q
OUT
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SD
LT1776
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V : 7.4V to 40V, V
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SD
: 1.24V, I : 3.2mA,
Q
OUT
IN
OUT(MIN)
OUT(MIN)
OUT(MIN)
LT1976
60V, 1.2A (I ), 200kHz High Efficiency Micropower (I < 100µA)
V : 3.3V to 60V, V
: 1.20V, I : 100µA,
Q
OUT
Q
IN
Step-Down DC/DC Converter
I
: <1µA, TSSOP16E
SD
LT3010
80V, 50mA Low Noise Linear Regulator
V : 1.5V to 80V, V
IN
: 1.28V, I : 30µA,
Q
I
: <1µA, MS8E
SD
LTC3412/LTC3414
LTC3414
2.5A (I ), 4MHz Synchronous Step-Down DC/DC Converters
V : 2.5V to 5.5V, V
: 0.8V, I : 60µA,
Q
OUT
IN
OUT(MIN)
I
: <1µA, TSSOP16E
SD
4A (I ), 4MHz Synchronous Step-Down DC/DC Converter
V : 2.3V to 5.5V, V
: 0.8V, I : 64µA,
Q
OUT
IN
OUT(MIN)
I
: <1µA, TSSOP20E
SD
LTC3727/LTC3727-1 36V, 500kHz High Efficiency Step-Down DC/DC Controllers
V : 4V to 36V, V
: 0.8V, I : 670µA,
IN
OUT(MIN) Q
I
: 20µA, QFN32, SSOP28
SD
LT3430/LT3431
LTC3440
60V, 2.75A (I ), 200kHz/500kHz High Efficiency Step-Down
DC/DC Converters
V : 5.5V to 60V, V
I : 30µA, TSSOP16E
SD
: 1.20V, I : 2.5mA,
OUT(MIN) Q
OUT
IN
600mA (I ), 2MHz Synchronous Buck-Boost DC/DC Converter
V : 2.5V to 5.5V, V
: 2.5V, I : 25µA,
OUT(MIN) Q
OUT
IN
with 95% Efficiency
I : <1µA, MS10
SD
3433ia
LT/TP 0903 1K REV A • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
12
LINEAR TECHNOLOGY CORPORATION 2003
●
●
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
Linear [ Linear ]
