LT1316 LINER [Linear Technology], LT1316 Datasheet - Page 16

• Manufacturer Part Number: LT1316
• Description: Micropower DC/DC Converter with Programmable Peak Current Limit
• Manufacturer: LINER [Linear Technology]

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