LT3580 데이터 시트보기 (PDF) - Linear Technology
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LT3580
Linear Technology
LT3580 Datasheet PDF : 28 Pages
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LT3580
TYPICAL APPLICATION
2MHz Inverting Converter Generates –12V from a 5V to 12V Input
VIN
5V TO 12V
L1
10μH
C3
1μF
C1
2.2μF
VIN
SW
SHDN
GND
LT3580
RT
FB
SYNC
VC
SS
45.3k
0.1μF
C1: 2.2μF, 25V, X5R, 1206
C2: 10μF, 25V, X5R, 1206
C3: 1μF, 50V, X5R, 0805
D1: CENTRAL SEMI CMMSH1-40
L1: SUMIDA CDRH6D28NP-100NC
L2: SUMIDA CDRH3D28NP-220NC
L2
22μH
D1
147k
VOUT
–12V
500mA (VIN = 12V)
C2 350mA (VIN = 5V)
10μF
10k
47pF
2.2nF
3580 TA09a
Efficiency and Power Loss
vs Load Current
90
VIN = 5V
85
1400
1200
80
1000
75
800
70
600
65
60
400
55
200
50
0
0 50 100 150 200 250 300 350 400
LOAD CURRENT (mA)
3580 TA09b
RELATED PARTS
PART NUMBER
LT1310
LT1613
LT1618
LT1930/LT1930A
LT1931/LT1931A
LT1935
LT1944/LT1944-1
(Dual)
LT1945 (Dual)
LT1946/LT1946A
LT1961
LT3436
LT3467
LT3477
LT3479
DESCRIPTION
COMMENTS
2A (ISW), 40V, 1.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.3V to 16V, VOUT(MAX) = 40V, IQ = 3mA, ISD < 1μA, ThinSOT™
Package
550mA (ISW), 1.4MHz High Efficiency Step-Up DC/DC Converter VIN: 0.9V to 10V, VOUT(MAX) = 34V, IQ = 3mA, ISD < 1μA,
ThinSOT Package
1.5A (ISW), 1.25MHz High Efficiency Step-Up DC/DC Converter VIN: 1.6V to 18V, VOUT(MAX) = 35V, IQ = 1.8mA, ISD < 1μA,
MS10 Package
1A (ISW), 1.2MHz/2.2MHz High Efficiency Step-Up DC/DC
Converter
VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, ISD < 1μA,
ThinSOT Package
1A (ISW), 1.2MHz/2.2MHz High Efficiency Inverting DC/DC
Converter
VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, ISD < 1μA,
ThinSOT Package
2A (ISW), 40V, 1.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.3V to 16V, VOUT(MAX) = 40V, IQ = 3mA, ISD < 1μA,
ThinSOT Package
Dual Output 350mA (ISW), Constant Off-Time, High Efficiency
Step-Up DC/DC Converter
VIN: 1.2V to 15V, VOUT(MAX) = 34V, IQ = 20μA, ISD < 1μA,
MS10 Package
Dual Output Pos/Neg 350mA (ISW), Constant Off-Time,
High Efficiency Step-Up DC/DC Converter
VIN: 1.2V to 15V, VOUT(MAX) = ±34V, IQ = 20μA, ISD < 1μA,
MS10 Package
1.5A (ISW), 1.2MHz/2.7MHz High Efficiency Step-Up DC/DC
Converter
VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD < 1μA,
MS8E Package
1.5A (ISW), 1.25MHz High Efficiency Step-Up DC/DC Converter VIN: 3V to 25V, VOUT(MAX) = 35V, IQ = 0.9mA, ISD < 6μA,
MS8E Package
3A (ISW), 800kHz, 34V Step-Up DC/DC Converter
VIN: 3V to 25V, VOUT(MAX) = 34V, IQ = 0.9mA, ISD < 6μA,
TSSOP16E Package
1.1A (ISW), 1.3MHz High Efficiency Step-Up DC/DC Converter
VIN: 2.6V to 16V, VOUT(MAX) = 40V, IQ = 1.2mA, ISD < 1μA,
ThinSOT, 2mm × 3mm DFN Packages
42V, 3A, 3.5MHz Boost, Buck-Boost, Buck LED Driver
VIN: 2.5V to 25V, VOUT(MAX) = 40V, Analog/PWM, ISD < 1μA,
QFN, TSSOP20E Packages
3A Full-Featured DC/DC Converter with Soft-Start and Inrush
Current Protection
VIN: 2.5V to 24V, VOUT(MAX) = 40V, Analog/PWM, ISD < 1μA,
DFN, TSSOP Packages
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3580fg
LT 0910 REV G • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007
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