参数资料
型号: LT1073CS8#TR
厂商: Linear Technology
文件页数: 13/16页
文件大小: 0K
描述: IC REG BUCK BOOST INV ADJ 8SOIC
标准包装: 2,500
类型: 降压(降压),升压(升压),反相
输出类型: 可调式
输出数: 1
输出电压: 可调
输入电压: 1 V ~ 30 V
频率 - 开关: 19kHz
电流 - 输出: 400mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LT1073
TYPICAL APPLICATIO S
1.5V to 5V Step-Up Converter with Logic Shutdown
1.5V to 5V Step-Up Converter with Low-Battery Detector
L1 ?
82 μ H
1N5818
5V OUTPUT
L1 ?
82 μ H
1N5818
5V OUTPUT
I LIM
V IN
909k*
442k*
I LIM
V IN
100k
1.5V
CELL
SW1
LT1073
+
100 μ F
1.5V
CELL
SET SW1
LT1073-5
+
100 μ F
100k*
FB
AO
SENSE
GND
SW2
1N4148
40.2k*
GND
SW2
LO BAT
GOES LOW
AT V BATTERY
L1 = GOWANDA GA10-822k
SHUTDOWN
OPERATE
74C04
1073 TA11
* 1% METAL FILM
?
OR CADDELL-BURNS 7300-12
1073 TA12
= 1.15V
L1 = GOWANDA GA10-822k
* 1% METAL FILM
?
OR CADDELL-BURNS 7300-12
9V to 3V Step-Down Converter
220 ?
3V OUTPUT
9V to 5V Step-Down Converter
220 ?
I LIM
V IN
536k*
I LIM
V IN
SW1
LT1073
SW1
LT1073-5
9V
BATTERY
GND
FB
SW2
L1 ?
100 μ H
1N5818
+
100 μ F
40.2k*
9V
BATTERY
GND
SENSE
SW2
L1 ?
100 μ H
1N5818
+
5V OUTPUT
100 μ F
L1 = GOWANDA GA10-103k
* 1% METAL FILM
?
1073 TA13
?
L1 = GOWANDA GA10-103k
OR CADDELL-BURNS 7300-13
1073 TA14
OR CADDELL-BURNS 7300-13
1.5V to 5V Bootstrapped Step-Up Converter
Memory Backup Supply
L1
?
47 μ H
1N5818
5V OUTPUT
5V MAIN
SUPPLY
5V TO MEMORY,
4.5V WHEN MAIN
SUPPLY OPEN
50mA
2.2k
2N3906
56 ?
L1 ?
82 μ H
1N5818
1.5V
CELL
I LIM V IN
SW1
LT1073-5
+
100 μ F
1.5V
CELL
I LIM V IN
SW1
LT1073
806k*
+
100 μ F**
SENSE
FB
GND
SW2
GND
SW2
40.2k*
L1 = GOWANDA GA10-822k
?
L1 = GOWANDA GA10-123k
OR CADDELL-BURNS 7300-14
1073 TA15
* 1% METAL FILM
**OPTIONAL
?
1073 TA16
MINIMUM START-UP VOLTAGE = 1.1V
OR CADDELL-BURNS 7300-12
13
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