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LT3461 Datasheet(PDF) 8 Page - Linear Technology

Part # LT3461
Description  1.3MHz/3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT
PDF  8 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3461 Datasheet(HTML) 8 Page - Linear Technology

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LT3461/LT3461A
8
3461af
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2003
LT/TP 1004 1K • PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1615/LT1615-1
300mA/80mA (ISW) Constant Off-Time,
VIN: 1.2V to 15V, VOUT(MAX) = 34V, IQ = 20µA,
High Efficiency Step-Up DC/DC Converter
ISD <1µA, ThinSOT Package
LT1944/LT1944-1
Dual Output 350mA/100mA (ISW), Constant Off-Time,
VIN: 1.2V to 15V, VOUT(MAX) = 34V, IQ = 20µA,
High Efficiency Step-Up DC/DC Converter
ISD <1µA, MS Package
LTC3400/LTC3400B
600mA (ISW), 1.2MHz, Synchronous Step-Up DC/DC Converter
VIN: 0.85V to 5V, VOUT(MAX) = 5V, IQ = 19µA/300µA,
ISD <1µA, ThinSOT
LT3460
0.32A (ISW), 1.3MHz, High Efficiency Step-Up DC/DC Converter
VIN: 2.5V to 16V, VOUT(MAX) = 36V, IQ = 2mA,
ISD <1µA, SC70, ThinSOT Packages
LT3465/LT3465A
Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
VIN: 2.7V to 16V, VOUT(MAX) = 34V, IQ = 1.9mA,
Boost Regulator with Integrated Schottky Diode
ISD <1µA, ThinSOT Package
TYPICAL APPLICATIO S
Low Profile (1mm) 3.3V to 15V Step-Up Converter
3.3V to 15V Efficiency
VIN
3.3V
L1
10µH
332k
30.1k
C2
2.2µF
22pF
C1
1µF
VOUT
15V
25mA
1
2
VIN
VOUT
SW
3
4
5
6
FB
SHDN
GND
LT3461A
C1: TAIYO YUDEN LMK107BJ105KA
C2: TAIYO YUDEN EMK316BJ225KD (X5R)
L1: MURATA LQH2MCN100K02
3461a TA04a
OFF ON
LOAD CURRENT (mA)
0
75
70
65
60
55
50
3461a TA04b
10
520
30
15
25
VIN
5V
L1
47µH
280k
10k
C2
0.47µF
50V
22pF
C1
1µF
VOUT
36V
18mA
1
2
VIN
VOUT
SW
3
4
5
6
FB
SHDN
GND
LT3461
C1: TAIYO YUDEN X7R LMK212BJ105
C2: MURATA GRM42-6X7R474K50
L1: MURATA LQH32CN470
3461 TA05a
OFF ON
LOAD CURRENT (mA)
0
16
3461 TA05b
812
14
6
24
10
80
75
70
65
60
55
50
18
5V to 36V Step-Up Converter (LT3461)
5V to 36V Efficiency
3.3V to ±5V Dual Output Converter
VIN
3.3V
L1
4.7µH
45.3k
15k
15pF
C1
1µF
1
2
VIN
VOUT
SW
3
4
5
6
FB
SHDN
GND
LT3461A
OFF ON
3461 TA06
C4
1µF
C2
1µF
C3
1µF
–5V
15mA
D1
D2
VOUT
5V
100mA
C1, C2, C3, C4: TAIYO YUDEN JMK107BJ105
D1, D2: PHILIPS PMEG2005EB
L1: MURATA LQH2MCN4R7M02
10Ω



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