参数资料
型号: LT1054CSW#PBF
厂商: Linear Technology
文件页数: 10/16页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 16SOIC
标准包装: 47
类型: 切换式电容器(充电泵),倍增器,反相
输出类型: 可调式
输出数: 1
输出电压: 可调
输入电压: 3.5 V ~ 15 V
频率 - 开关: 25kHz
电流 - 输出: 100mA
同步整流器:
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
包装: 管件
供应商设备封装: 16-SOIC
产品目录页面: 1338 (CN2011-ZH PDF)
LT1054/LT1054L
TYPICAL APPLICATIONS
Basic Voltage Inverter
Basic Voltage Inverter/Regulator
OSC
CA P
)
R2 =
R1 V REF
2
+
) ) )
| V OUT |
1.21V
100μF
+
FB/SHDN V +
+
LT1054
GND V REF
CAP – V OUT
+
V IN
2μF
–V OUT
100μF
LT1054 ? TAO2
10μF
| V OUT |
– 40mV
REFER TO FIGURE 5
+1 = +1 ,
FB/SHDN V +
CA P + OSC
LT1054
GND V REF
CAP – V OUT
V OUT
V IN
2μF
R1
R2
0.002μF
100μF
LT1054 ? TA03
Negative Voltage Doubler
Positive Doubler
CAP +
V OUT
+
Q X *
100μF
CAP – V OUT
100μF R X *
+
FB/SHDN   V + +
OSC
LT1054
V IN GND V REF
2μF
+
V IN
V IN = –3.5V TO –15V
V OUT = 2V IN + (LT1054 VOLTAGE LOSS) + (Q X SATURATION VOLTAGE)
*SEE FIGURE 3 LT1054 ? TAO4
1N4001
+
V OUT
50mA 100μF
V IN = 3.5V TO 15V
V OUT ≈ 2V IN – (V L + 2V DIODE )
V L = LT1054 VOLTAGE LOSS
+
V IN
1N4001 3.5V TO 15V
+
10μF 2μF
FB/SHDN V +
CAP + OSC
LT1054
GND V REF
CAP – V OUT
LT1054 ? TAO5
100mA Regulating Negative Doubler
V IN
3.5 TO 15V
+
2.2μF
10μF
+
10μF
+
FB/SHDN V +
CA P + OSC
LT1054 #1
GND V REF
V OUT
SET
10μF
+
10μF
+
FB/SHDN V +
CA P + OSC
LT1054 #2
GND V REF
20k
HP5082-2810
PIN 2
LT1054 #1
1N4002
CAP
V OUT
R1
40k
1N4002
CAP –
V OUT
0.002μF
)
) ) )
R2 =
| V OUT | | V OUT |
1.21V
R1
V REF
2
1N4002
1N4002
100μF
10μF
R2 1N4002
500k
V IN = 3.5 TO 15V
V OUT MAX ≈ –2V IN + [1054 VOLTAGE LOSS + 2(V DIODE )]
+1 = + 1 , REFER TO FIGURE 5
– 40mV
–V OUT
I OUT ? 100mA MAX
10μF
LT1054 ? TAO6
1054lfg
10
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