- 您现在的位置：买卖IC网 > PDF目录13243 > MAX852ESA+ (Maxim Integrated Products)IC REG SWITCHED CAP INV 8SOIC PDF资料下载
参数资料
| 型号： | MAX852ESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/8页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP INV 8SOIC |
| 标准包装： | 100 |
| 类型： | 切换式电容器（充电泵），反相 |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | -4.1V，-0.5 V ~ -9 V |
| 输入电压： | 4.5 V ~ 10 V |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 5mA |
| 同步整流器： | 无 |
| 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： | 管件 |
| 供应商设备封装： | 8-SOIC |
Low-Noise, Regulated, Negative
Charge-Pump Power Supplies for GaAsFET Bias
______________________________________________________________Pin Description
MAX850
PIN
MAX851 MAX852
MAX853
NAME
FUNCTION
1
2
3
4
–
–
1
2
3
–
4
–
1
2
3
–
–
4
1
2
3
4
–
–
C1+
C1-
NEGOUT
SHDN
SHDN
OSC
Positive terminal for C1
Negative terminal for C1
Negative Output Voltage (unregulated), V NEGOUT = V IN + 0.2V
Active-low TTL logic level Shutdown Input
Active-high TTL logic level Shutdown Input
External Clock Input
Dual-Mode Feedback Input. When FB is grounded, the output is preset to
5
5
5
–
FB
-4.1V. To select other output voltages, connect FB to an external resistor
divider. See Figure 2b.
–
6
7
8
–
6
7
8
–
6
7
8
5
6
7
8
CONT
OUT
GND
IN
Control Voltage Input. To set V OUT , connect a resistor divider between
OUT and a positive control voltage between 0V and 10V. See Figure 2c.
Output Voltage
Ground
Positive Power-Supply Input (4.5V to 10V)
_______________Detailed Description
The MAX850–MAX853 are low-noise, inverting, regulat-
ed charge-pump power supplies designed for biasing
GaAsFET devices, such as power-amplifier modules in
cellular handsets.
The applied input voltage (V IN ) is first inverted to a
negative voltage at NEGOUT by a capacitive charge
pump. This voltage is then regulated by an internal lin-
ear regulator, and appears at OUT (Figure 1). The mini-
mum (most negative) output voltage (V OUT ) achievable
is the inverted positive voltage, plus the 1.0V required
by the post-regulator. The ripple noise induced by the
charge-pump inverter is reduced by the linear regulator
to 2mVp-p at V OUT for the MAX850–MAX852. In addi-
tion, the excellent AC rejection of the linear regulator
attenuates noise on the incoming supply. Up to 5mA is
available at OUT.
C1+
IN
C1-
NEGOUT
CHARGE
PUMP
N
MAX850
MAX851
MAX852
OUT
C1+
C1-
CHARGE
PUMP
MAX853
IN
NEGOUT
N
OUT
SHDN (MAX850)
SHDN (MAX851)
OSC (MAX852)
-1.28V
REF
FB
CONNECT TO
GND TO SET
V OUT = -4.1V
SHDN
CONT
CONTROL
VOLTAGE
GND
Figure 1a. MAX850–MAX852 Block Diagram
GND
Figure 1b. MAX853 Block Diagram
6
______________________________________________________________________________________
相关PDF资料 |
PDF描述 |
|---|---|
| GMM36DTAH-S189 | CONN EDGECARD 72POS R/A .156 SLD |
| ACM12DTBN | CONN EDGECARD 24POS R/A .156 SLD |
| VE-22R-EW-S | CONVERTER MOD DC/DC 7.5V 100W |
| 400BXC47MEFCGC18X20 | CAP ALUM 47UF 400V 20% RADIAL |
| 400BXC47MEFC18X20 | CAP ALUM 47UF 400V 20% RADIAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX852ESA+ | 功能描述:电荷泵 Regulated Negative Charge Pump 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 |
| MAX852ESA+T | 功能描述:电荷泵 Regulated Negative Charge Pump 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 |
| MAX852ESA-T | 功能描述:电荷泵 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 |
| MAX852ISA | 功能描述:电荷泵 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 |
| MAX852ISA-T | 功能描述:电荷泵 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 |
发布紧急采购，3分钟左右您将得到回复。