参数资料
型号: MAX852ESA+
厂商: Maxim Integrated Products
文件页数: 1/8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:
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
19-0238; Rev 2; 4/96
IT MAN
VALUA
A SHEE
WS DA
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TION K T
FOLLO
UAL
Low-Noise, Regulated, Negative
Charge-Pump Power Supplies for GaAsFET Bias
_______________General Description
The MAX850 –MAX853 low-noise, inverting, charge-
pump power supplies are ideal for biasing GaAsFETs in
cellular telephone transmitter amplifiers.
The MAX850–MAX852 offer both preset (-4.1V) and
adjustable (-0.5V to -9.0V) output voltages. The
MAX853 uses an external positive control voltage to set
the negative output voltage. Input voltage range for all
four devices is 4.5V to 10V. Output current is 5mA.
An internal linear regulator reduces the output voltage
ripple to 2mVp-p. With a well-filtered control voltage
(V CTRL ), the MAX853 achieves typical output ripple of
less than 1mVp-p. Supply current is 3mA max, and
____________________________Features
o Fixed -4.1V or Adjustable -0.5V to -9V Output at 5mA
o 4.5V to 10V Input Voltage Range
o 2mVp-p Output Voltage Ripple (MAX850–MAX852)
1mVp-p Output Voltage Ripple (MAX853)
o 100kHz Charge-Pump Switching Frequency
(MAX850/MAX851/MAX853)
o External Synchronizing Clock Input (MAX852)
o Logic-Level Shutdown Mode: 1μA Max Over
Temperature (MAX850/MAX852/MAX853)
o Low Cost, 8-Pin SO Package
shutdown current is less than 1μA max over temperature
(5μA max for MAX851).
______________Ordering Information
PART
TEMP. RANGE
PIN-PACKAGE
________________________Applications
Cellular Phones
Negative Regulated Power Supplies
Personal Communicators, PDAs
Wireless Data Loggers
Continuously Adjustable GaAsFET Bias
LCD-Bias Contrast Control
MAX850 C/D
MAX850ISA
MAX850ESA
MAX851 C/D
MAX851ISA
MAX851ESA
MAX852 C/D
MAX852ISA
MAX852ESA
0°C to +70°C
-25°C to +85°C
-40°C to +850°C
0°C to +70°C
-25°C to +85°C
-40°C to +85°C
0°C to +70°C
-25°C to +85°C
-40°C to +85°C
Dice*
8 SO
8 SO
Dice*
8 SO
8 SO
Dice*
8 SO
8 SO
MAX853 C/D
0°C to +70°C
ise*
Dice*
__________Typical Operating Circuit
MAX853ISA
MAX853ESA
-25°C to +85°C
-40°C to +85°C
8 SO
8 SO
* Dice are specified at T A = +25°C only.
V IN = 4.5V to 10.0V
(4 CELLS)
C1+
IN
C3
__________________Pin Configuration
C1
C1-
MAX850
MAX851
OUT
V OUT = -4.1V
(V GG of GaAsFET)
TOP VIEW
MAX852
NEGOUT
C4
C1+ 1
8
IN
C2
C1- 2
MAX850
7
GND
SHDN*
SHDN
OSC
GND
FB
NEGOUT 3
SHDN* 4
(MAX850/853)
MAX851
MAX852
MAX853
6
5
OUT
FB**
(MAX850–852)
SO
* MAX850: SHDN
MAX851: SHDN
MAX852: OSC
* SHDN (MAX851)
OSC (MAX852)
** CONT (MAX853)
________________________________________________________________ Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
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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