LT3472 Просмотр технического описания (PDF) - Linear Technology
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LT3472 Datasheet PDF : 12 Pages
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LT3472
TYPICAL APPLICATIO
VIN
3V TO 4.2V
22µH
47µH
2.2µF
1µF
VPOS
15V
20mA
550k
4.7pF
SWP
VPOS
FBP
VIN
LT3472
SHDN
2.2µF
SHDN
SSP
GND
100nF
SWN
DN
FBN
47µH
320k
VNEG
–8V
10pF
50mA
SSN
100nF
2.2µF
3472 TA03
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PART NUMBER
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LT1617/LT1617-1
LT1930/LT1930A
LT1931/LT1931A
LT1944/LT1944-1
LT1945(Dual)
LT1946/LT1946A
LT3461/LT3461A
LT3462/LT3462A
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LT3464
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DESCRIPTION
550mA (ISW), 1.4MHz, High Efficiency Micropower
Inverting DC/DC Converter
300mA/80mA (ISW), High Efficiency
Step-Up DC/DC Converter
350mA/100mA (ISW), High Efficiency Micropower
Inverting DC/DC Converter
1A (ISW), 1.2MHz/2.2MHz, High Efficiency
Step-Up DC/DC Converter
1A (ISW), 1.2MHz/2.2MHz, High Efficiency Micropower
Inverting DC/DC Converter
Dual Output, 350mA/100mA (ISW), Constant
Off-Time, High Efficiency Step-Up 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
0.3A (ISW), Inverting 1.3MHz/3MHz High Efficiency
Step-Up DC/DC Converter with Integrated Schottky Diodes
300mA (ISW), Inverting 1.2MHz/2.7MHz DC/DC Converter
with Integrated Schottky Diodes
Dual Output, Boost/Inverter, 250mA (ISW), Constant
Off-Time, High Efficiency Step-Up DC/DC Converter
with Integrated Schottkys
85mA (ISW), High Efficiency Step-Up DC/DC Converter
with Integrated Schottky and PNP Disconnect
1.1A, 1.3MHz/2.1MHz Step-Up DC/DC Converter with
Integrated Soft-Start in ThinSOT
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
COMMENTS
VIN: 1.1V to 10V, VOUT(MAX) = –34V, IQ = 3mA, ISD <1µA,
ThinSOT Package
VIN: 1V to 15V, VOUT(MAX) = 34V, IQ = 20µA, ISD <1µA,
ThinSOT Package
VIN: 1.2V to 15V, VOUT(MAX) = –34V, IQ = 20µA, ISD <1µA,
ThinSOT Package
VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, 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 = 20µA, ISD <1µA,
MS10 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: 2.5V to 16V, VOUT(MAX) = 38V, IQ = 2.8mA, ISD <1µA,
ThinSOT Package
VIN: 2.5V to 16V, VOUT(MAX) = –38V, IQ = 2.9mA, ISD <10µA,
ThinSOT 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
VIN: 2.4V to 16V, VOUT(MAX) = 40V, IQ = 1mA, ISD <1µA,
ThinSOT Package
3472f
LT/TP 0804 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004
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