LT3581IMSE-TRPBF データシートの表示（PDF） - Linear Technology
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LT3581IMSE-TRPBF Datasheet PDF : 36 Pages
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LT3581
TYPICAL APPLICATION
5V to –12V Inverting Converter Switches at 2MHz
L1
3.3µH
C2
1µF
L2
3.3µH
VIN
5V
D1
SW1 SW2
VOUT
–12V
625mA
C1
3.3µF
VIN LT3581 FB
SHDN
100k
FAULT
RT
GATE
CLKOUT
VC
43.2k
SYNC
SS
GND
143k
47pF
0.1µF
C3
4.7µF
11k
1nF
3581 TA05a
C1: 3.3µF, 16V, X7R, 1206
C2: 1µF, 25V, X7R, 1206
C3: 4.7µF, 25V, X7R, 1206
D1: DIODES INC. PD3S230H-7
L1, L2: COILCRAFT MSD7342-332MLB
Efficiency and Power Loss
90
2000
85
1800
1600
80
1400
75
1200
70
1000
65
800
600
60
400
55
200
50
0
0
125 250 375 500 625
LOAD CURRENT (mA)
3581 TA05b
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COMMENTS
VIN = 2.5V to 32V, VOUT(MAX) = 42V, IQ = 1mA, ISD < 1µA,
3mm × 3mm DFN-8, MSOP-8E Packages
VIN = 2.4V to 16V, VOUT(MAX) = ±40V, IQ = 2.5mA, ISD < 1µA,
3mm × 3mm DFN-10 Package
VIN = 2.5V to 24V, VOUT(MAX) = 40V, IQ = Analog/PWM,
ISD < 1µA, DFN, TSSOP Packages
VIN = 2.5V to 25V, VOUT(MAX) = 40V, IQ = Analog/PWM,
ISD < 1µA, QFN, TSSOP-20E Packages
VIN = 2.6V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD < 1µA,
MS8E Package
VIN = 2.3V to 16V, VOUT(MAX) = 40V, IQ = 3mA, ISD < 1µA,
ThinSOT Package
VIN = 2.3V to 16V, VOUT(MAX) = 40V, IQ = 3mA, ISD < 1µA,
ThinSOT Package
VIN = 3V to 25V, VOUT(MAX) = 34V, IQ = 0.9mA, ISD < 6µA,
TSSOP-16E Package
36 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950F3o5r -m7o4r1e7information www.linear.com/LT3581
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT3581
3581fb
LT 0714 REV B • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2010
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