参数资料
型号: LT1111IS8#TRPBF
厂商: Linear Technology
文件页数: 14/16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: 2 V ~ 30 V
频率 - 开关: 72kHz
电流 - 输出: 400mA
同步整流器:
工作温度: -40°C ~ 105°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
LT1111
TYPICAL A PPLICATI
S
3V to – 22V LCD Bias Generator
R1
100 ?
L1*
27 μ H
1N4148
I LIM
V IN
SW1
732k
1%
2 × 1.5V
CELLS
3V
LT1111
GND
SW2
FB
+
4.7 μ F
0.1 μ F
39.2k
1%
MBRS130T3
MBRS130T3
* L1 = SUMIDA CD54-270K
FOR 5V INPUT CHANGE R1 TO 47 ? .
CONVERTER WILL DELIVER –22V AT 40mA.
+
22 μ F
220k
–22V OUTPUT
7mA AT 2V INPUT
LT1111 ? TA03
9V to 5V Step-Down Converter
100 ?
20V to 5V Step-Down Converter
V IN
12V TO 28V
100 ?
I LIM
V IN
SW1
I LIM
V IN
SW1
9V
BATTERY
LT1111-5
SENSE
LT1111-5
SENSE
GND
SW2
L1*
15 μ H
MBRS130T3
+
22 μ F
5V OUTPUT
150mA AT 9V INPUT
50mA AT 6.5V INPUT
GND
SW2
L1*
68 μ H
MBRS130T3
+
5V OUTPUT
300mA
47 μ F
* L1 = SUMIDA CD54-150K
LT1111 ? TA04
* L1 = SUMIDA CD74-680M
LT1111 ? TA06
5V to –5V Converter
Voltage Controlled Positive-to-Negative Converter
V IN
5V INPUT
22 μ F
+
100 ?
I LIM V IN
LT1111-5
SW1
V IN
5V TO 12V
V IN
0.22 ?
BAT54
I LIM
SW1
220 ?
ZETEX ?
ZTX788A
220 ?
V IN
L1*
20 μ H, 3A
MBRD320
200k
+
47 μ F
–V OUT = –5.13 × V C
2W MAXIMUM OUTPUT
GND
SENSE
SW2
L1*
33 μ H
LT1111
FB
LT1006
39k
V C (0V TO 5V)
GND
SW2
MBRS130T3
33 μ F
+
–5V OUTPUT
75mA
ZETEX INC. 516-543-7100
* L1 = SUMIDA CD54-330K
LT1111 ? TA05
* L1 = COILTRONICS CTX20-4
?
LT1111 ? TA07
1111fd
14
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