参数资料
型号: MAX840ISA+
厂商: Maxim Integrated Products
文件页数: 9/10页
文件大小: 0K
描述: IC BIAS GAASFET REG 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
应用: 充电泵,手机发射器
输入电压: 2.5 V ~ 10 V
输出数: 1
输出电压: -2V,-0.5 V ~ -9.4 V
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
Low-Noise, Regulated, -2V GaAsFET Bias
V IN
V IN
(
)
C1
1 μ F
1
2
C1+
C1-
8
IN
MAX840
OUT
6
C3
1 μ F
V OUT = -2V
(V GG of GaAsFET)
C1
1 μ F
1
2
C1+
C1-
8
IN
MAX840
OUT
V OUT = (-0.5V) 1+
6
C3
1 μ F
R2
R1
C2
1 μ F
3
NEGOUT
C4
10 μ F
C2
1 μ F
3
NEGOUT
R2
100k
C4
10 μ F
ON/OFF
4
SHDN
FB
5
ON/OFF
4
SHDN
FB
5
GND
7
GND
7
R1
100k
Figure 2a. MAX840 Standard Application Circuit
V IN
Figure 2b. MAX840 Adjustable Configuration
V IN
C4
10 μ F
C1
1 μ F
C2
1 μ F
ON/OFF
1
2
3
4
8
IN
C1+
C1- MAX843
MAX844
NEGOUT
SHDN
GND
7
OUT
CONT
C3
1 μ F
V OUT = -0.5V to -9.4V @ 4mA
6
R2
100k
5
R1
100k
C1
0.22 μ F
C2
0.22 μ F
ON/OFF
1
2
3
4
8
IN
C1+
MAX840
C1-
NEGOUT
SHDN
GND
OUT
FB
6
5
C3
0.22 μ F
V OUT = -2V
(V GG of GaAsFET)
C4
4.7 μ F
V CTRL (0V TO 10V)
Figure 2c. MAX843/MAX844 Standard Application Circuit
7
Figure 2d. MAX840 Application Circuit Using Smaller Capacitors
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9
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MAX840ISA+ 功能描述:电荷泵 Regulated -2V GaAsFET Bias RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
MAX840ISA+T 功能描述:电荷泵 Regulated -2V GaAsFET Bias RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
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MAX843C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX843ESA 功能描述:电荷泵 Regulated -2V GaAsFET Bias RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube