参数资料
型号: LT1930ES5#TR
厂商: Linear Technology
文件页数: 10/12页
文件大小: 0K
描述: IC REG BOOST ADJ 1A TSOT23-5
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.26 V ~ 34 V
输入电压: 2.45 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 1.2MHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
包装: 带卷 (TR)
供应商设备封装: TSOT-23-5
其它名称: LT1930ES5TR
LT1930/LT1930A
TYPICAL APPLICATIO S
9V, 18V, –9V Triple Output TFT-LCD Bias Supply with Soft-Start
D1
D2
18V
10mA
C3
0.1 μ F
C4
1 μ F
Start-Up Waveforms
V IN
L1
4.7 μ H
D5
9V
0V
3.3V
C1
2.2 μ F
V SS
3.3V
+
R SS
30k
D SS
1N4148
4
5
V IN
LT1930
SHDN
GND
2
C SS
68nF
1
SW
FB
3
C2
0.1 μ F
R1
124k
R2
20k
200mA
C5
10 μ F
9V OUTPUT
5V/DIV
–9V OUTPUT
5V/DIV
18V OUTPUT
10V/DIV
C1: X5R OR X7R, 6.3V
C2,C3, C5: X5R OR X7R, 10V
D4
I L1 0.5A/DIV
C4: X5R OR X7R, 25V
D1- D4: BAT54S OR EQUIVALENT
D5: MBR0520 OR EQUIVALENT
L1: PANASONIC ELT5KT4R7M
D3
C6
1 μ F
–9V
10mA
1930/A TA11a
2ms/DIV
8V, 23V, –8V Triple Output TFT-LCD Bias Supply with Soft-Start
D1
D2
D3
D4
23V
10mA
V IN
C3
0.1 μ F
L1
4.7 μ H
C4
0.1 μ F
D7
C5
0.1 μ F
C6
1 μ F
8V
Start-Up Waveforms
0V
3.3V
C1
2.2 μ F
V SS
3.3V
+
R SS
30k
D SS
1N4148
4
5
V IN
LT1930
SHDN
GND
2
C SS
68nF
1
SW
FB
3
C2
0.1 μ F
R1
113k
R2
21k
220mA
C7
10 μ F
8V OUTPUT
5V/DIV
–8V OUTPUT
5V/DIV
23V OUTPUT
10V/DIV
C1: X5R OR X7R, 6.3V
C2-C4, C7, C8: X5R OR X7R, 10V
D5
I L1 0.5A/DIV
C5: X5R OR X7R, 16V
C6: X5R OR X7R, 25V
D1- D6: BAT54S OR EQUIVALENT
D7: MBR0520 OR EQUIVALENT
L1: PANASONIC ELT5KT4R7M
D6
C8
1 μ F
–8V
10mA
1930/A TA12a
2ms/DIV
10
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