LT1316 Просмотр технического описания (PDF) - Linear Technology
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LT1316 Datasheet PDF : 16 Pages
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LT1316
TYPICAL APPLICATIONS N
Low Profile 2 Cell-to-28V Converter for LCD Bias
L1
VIN
22µH
D1
SHUTDOWN
2 CELLS
C1
10µF
6
5
VIN
SW
7
SHDN
1 LBI LT1316
8
FB
2
LBO
RSET
GND
3
4
10k
4.32M
204k
C4
100pF
50V
+ C2
1µF
35V
C1: MURATA GRM235Y5V106Z010
C2: SPRAGUE 293D105X9035B2T
C3: 0.33µF CERAMIC, 50V
C4: 100pF CERAMIC, 50V
D1: BAT-54
L1: MURATA LQH3C220K04
VOUT
28V
5mA
C3
0.33µF
50V
1316 TA05
Bipolar LCD Bias Supply
VIN
3.3V TO
4.2V
+
L1
47µH
6
5
VIN
SW
C1
22µF
16V
7
SHDN LT1316 FB
RSET
GND
3
4
1N914
100pF
8
+ C3
1µF
35V
C2 +
1µF
35V
1.00M
2N3904
22k
10k
88.7k
+ C4
3.3µF
35V
47k
C1: AVX TAJB226M016R
C2, C3: AVX TAJA105K035R
C4: AVX TAJB335M035R
L1: MURATA LQH3C470
BAT54
×2
(BAT54 = TWO DIODES IN SOT23)
1316 TA14
13V
0.5mA
–15V
1.5mA
RELATED PARTS
PART NUMBER
LTC®1163
LTC1174
LT1302
LT1304
LT1307
LTC1440/1/2
LTC1516
LT1521
DESCRIPTION
COMMENTS
Triple High Side Driver for 2-Cell Inputs
1.8V Minimum Input, Drives N-Channel MOSFETs
Micropower Step-Down DC/DC Converter
High Output Current Micropower DC/DC Converter
2-Cell Micropower DC/DC Converter
94% Efficiency, 130µA IQ, 9V to 5V at 300mA
5V/600mA from 2V, 2A Internal Switch, 200µA IQ
Low-Battery Detector Active in Shutdown, 5V at 200mA for 2 Cells
Single Cell Micropower 600kHz PWM DC/DC Converter 3.3V at 75mA from 1 Cell
Ultralow Power Single/Dual Comparators with Reference
2-Cell to 5V Regulated Charge Pump
Micropower Low Dropout Linear Regulator
2.8µA IQ, Adjustable Hysteresis
12µA IQ, No Inductors, 5V at 50mA from 3V Input
500mV Dropout, 300mA Current, 12µA IQ
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900
FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com
1316f LT/TP 0298 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997
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