LT3462 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3462 Datasheet PDF : 8 Pages
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LT3462/LT3462A
TYPICAL APPLICATIO S
12V to –36V DC/DC Converter
VIN
L1
47µH
C2
0.47µF
D1
12V
VOUT
SW
D
R1
432k
C4
–36V
36mA
C1
VIN
FB
5pF
1µF
LT3462
R2
C3
15k
1µF
SDREF
50V
GND
100nF
C1: TAIYO YUDEN X5R EMK212BJ105
C2: MURATA GRM42-6X7R474K50
C3: MURATA GRM42-6X7R474K50 ×2
D1: CENTRAL CMSH5-4-LTN
L1: MURATA LQH32CN470
3462 TA06a
–36V Efficiency
85
TA = 25°C
80
VIN = 12V
75
70
65
60
0
10
20
30
40
LOAD CURRENT (mA)
3462 TA06b
RELATED PARTS
PART NUMBER
LT1617/LT1617-1
LT1931/LT1931A
LT1945
LT1946/LT1946A
LT3463
LT3464
DESCRIPTION
350mA/100mA (ISW) High Efficiency
Micropower Inverting DC/DC Converter
1A (ISW), 1.2MHz/2.2MHz, High Efficiency
Micropower Inverting DC/DC Converter
Dual Output, Boost/Inverter, 350mA (ISW), Constant
Off-Time, High Efficiency Step-Up DC/DC Converter
1.5A (ISW), 1.2MHz/2.7MHz, High Efficiency
Step-Up DC/DC Converter
Dual Output, Boost/Inverter, 250mA (ISW), Constant
Off-Time, High Efficiency Step-Up DC/DC Converter
with Integrated Schottky Diodes
85mA (ISW), High Efficiency Step-Up DC/DC Converter
with Integrated Schottky and PNP Disconnect
COMMENTS
VIN: 1.2V to 15V, VOUT(MAX) = –34V, IQ = 20µA, ISD <1µA
ThinSOT Package
VIN: 2.6V to 16V, VOUT(MAX) = –34V, IQ = 5.8mA, ISD <1µA
ThinSOT Package
VIN: 1.2V to 15V, VOUT(MAX) = ±34V, IQ = 40µA, ISD <1µA,
MS10 Package
VIN: 2.45V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD <1µA
MS8 Package
VIN: 2.3V to 15V, VOUT(MAX) = ±40V, IQ = 40µA, ISD <1µA
DFN Package
VIN: 2.3V to 10V, VOUT(MAX) = 34V, IQ = 25µA, ISD <1µA
ThinSOT Package
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
3462af
LT/TP 0304 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004
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