參數(shù)資料
型號: LT1308
廠商: Linear Technology Corporation
英文描述: Single Cell High Current Micropower 600kHz Boost DC/DC Converter
中文描述: 單細(xì)胞微600kHz的高電流升壓型DC / DC轉(zhuǎn)換器
文件頁數(shù): 8/8頁
文件大?。?/td> 266K
代理商: LT1308
8
LT1308
LINEAR TECHNOLOGY CORPORATION 1998
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
G
(408) 432-1900
FAX: (408) 434-0507
G
TELEX: 499-3977
G
www.linear-tech.com
1308i LT/TP 0198 4K PRINTED IN USA
TYPICAL APPLICATIO
N
U
Digital Camera Power Supply
2-4 Cell to 3.3V/175mA, 5V/175mA, 18V/10mA, –10V/10mA
PART NUMBER
LTC
1163
LTC1174
LT1302
LT1304
LT1307
LT1316
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
Micropower DC/DC Converter with Programmable Peak
Current Limit
Ultralow Power Single/Dual Comparators with Reference
2-Cell to 5V Regulated Charge Pump
Micropower Low Dropout Linear Regulator
COMMENTS
1.8V Minimum Input, Drives N-Channel MOSFETs
94% Efficiency, 130
μ
A I
Q
, 9V to 5V at 300mA
5V/600mA from 2V, 2A Internal Switch, 200
μ
A I
Q
Low-Battery Detector Active in Shutdown, 5V at 200mA for 2 Cells
3.3V at 75mA from 1 Cell, MSOP Package
Works with High Source Impedance, 1.5V Minimum Input, Low-Battery
Detector Active in Shutdown, 33
μ
A I
Q
, MSOP Package
2.8
μ
A I
Q
, Adjustable Hysteresis
12
μ
A I
Q
, No Inductors, 5V at 50mA from 3V Input
500mV Dropout, 300mA Current, 12
μ
A I
Q
LTC1440/1/2
LTC1516
LT1521
RELATED PARTS
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTIO
N
U
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
SO8 0695
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
BSC
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
×
45
°
0
°
– 8
°
TYP
0.008 – 0.010
(0.203 – 0.254)
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
V
IN
SW
FB
LT1308
L1A
N = 1
10
μ
H
L1C
N = 0.3
R4
47k
R1
100k
5V
175mA
3.3V
175mA
C3
100
μ
F
CCD BIAS
–10V
10mA
CCD BIAS
18V
10mA
V
IN
1.6V
TO 6V
R3
340k
R2
2.08M
D1
C7
22nF
C8
1nF
1308 TA01
C6
10
μ
F
V
C
GND
SHDN
C1, C2, C3 = AVX TPS
C4, C5 = AVX TAJ
C6 = CERAMIC
1
8
2
3
L1B
N = 0.7
3
4
C2
100
μ
F
C1
100
μ
F
+
D2
D3
D4
+
+
C4
10
μ
F
+
C5
10
μ
F
+
L1D
N = 3.5
7
6
L1E
N = 2
6
5
D1, D2 = IR10BQ015
D3, D4 = BAT-85
L1 = COILTRONICS CTX02-13973
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