LT1936H Просмотр технического описания (PDF) - Linear Technology
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LT1936H Datasheet PDF : 20 Pages
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LT1936
TYPICAL APPLICATION
VIN
3.6V TO 20V
ON OFF
2.5V Step-Down Converter
D2
C1
4.7μF
VIN BOOST
SHDN
SW
LT1936
COMP
FB
VC GND
C3
0.22μF
D1
R2
10k
D1: DFLS140L
D2: 1N4148
L1: TOKO D63CB
L1
8.2μH
R1
11k
VOUT
2.5V
1.3A
C2
47μF
1936 TA09a
Minimum Input Voltage
5.5
VOUT = 2.5V
5.0 CONNECTING THE BOOST CIRCUIT TO THE
INPUT LOWERS THE MINIMUM INPUT
VOLTAGE TO RUN AND TO START TO LESS
4.5 THAN 3.7V AT ALL LOADS
4.0
3.5
3.0
1
10
100
LOAD CURRENT (mA)
1000
1936 TA09b
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
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25V, 2.75A (IOUT), 1.25MHz, High Efficiency Step-Down
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VIN: 5.5V to 60V, VOUT(MIN) = 1.20V, IQ = 2.5mA, ISD = 25μA,
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25V, Dual 1.4A (IOUT), 1.1MHz, High Efficiency Step-Down
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16-Lead TSSOPE Package
LT1956
60V, 1.2A (IOUT), 500kHz, High Efficiency Step-Down
DC/DC Converter
VIN: 5.5V to 60V, VOUT(MIN) = 1.20V, IQ = 2.5mA, ISD = 25μA,
16-Lead TSSOP/TSSOPE Packages
LT1976
60V, 1.2A (IOUT), 200kHz, High Efficiency Step-Down
DC/DC Converter with Burst Mode® Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.20V, IQ = 100μA, ISD < 1μA,
16-Lead TSSOPE Package
LT3010
80V, 50mA, Low Noise Linear Regulator
VIN: 1.5V to 80V, VOUT(MIN) = 1.28V, IQ = 30μA, ISD < 1μA,
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LTC®3407
Dual 600mA (IOUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 40μA, ISD < 1μA,
10-Lead MSE Package
LTC3412
2.5A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 60μA, ISD < 1μA,
16-Lead TSSOPE Package
LTC3414
4A (IOUT), 4MHz, Synchronous Step-Down DC/DC Converter VIN: 2.3V to 5.5V, VOUT(MIN) = 0.8V, IQ = 64μA, ISD < 1μA,
20-Lead TSSOPE Package
LT3430/LT3431 60V, 2.75A (IOUT), 200kHz/500kHz, High Efficiency
Step-Down DC/DC Converters
VIN: 5.5V to 60V, VOUT(MIN) = 1.20V, IQ = 2.5mA, ISD = 30μA,
16-Lead TSSOPE Package
Burst Mode is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
1936fd
LT 1108 REV D • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2006
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