参数资料
型号: LT1026IS8#TR
厂商: Linear Technology
文件页数: 1/8页
文件大小: 0K
描述: IC REG SWITCHD CAP DBL INV 8SOIC
标准包装: 2,500
类型: 切换式电容器(充电泵),倍增器,反相
输出类型: 两者兼有
输出数: 1
输出电压: ±7 V ~ ±18 V
输入电压: 4 V ~ 10 V
电流 - 输出: 15mA
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: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LT1026
Voltage Converter
FEATURES
DESCRIPTIO
s
s
s
s
s
s
s
s
Generates + and – from Single Input
Up to ± 18V Output
Only Needs Four 1 μ F Capacitors
No Inductors
10mA Output Current Minimum
Operates Down to 4V
No Latchup
8-Pin Minidip
The LT ? 1026 is a switched capacitor voltage doubler and
inverter on a single monolithic die. Capable of operating
from a 4V to 10V input, it provides ± 7V to ± 18V output.
Output currents of over 10mA are available. Two charge
pumps first double the input voltage then invert the
doubled voltage. Manufactured in bipolar technology, the
LT1026 is not susceptible to latchup and generates up to
36V.
APPLICATIO S
The LT1026 offers a convenient way of generating addi-
tional system voltages without using inductors. Powering
s
s
s
s
Line Drivers
Op Amp Suppliers
Battery Splitters
RS232 Power
interface circuits, op amps or data acquisition circuitry off
logic supplies is simplified.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Voltage Doubler and Inverter
Output Voltage
C1
1 μ F
10
8
6
C = 1 μ F
V IN = 5V
T A = 25 ° C
C2
1 μ F
+
1
2
3
C1 –
C2 +
C2 –
LT1026
+V OUT
C1 +
V IN
8
7
6
V IN
+
+V OUT
1 μ F
4
2
0
–2
–V OUT
4
–V OUT
GND
5
–4
–6
1 μ F
–8
1026 ? TA01
–10
0
5
10
15
20
25
LOAD CURRENT (mA)
LT1026 ? TA02
1026fb
1
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