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| 型号： | MAX870EUK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC VOLT INVERT SW CAP SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 应用： | 充电泵，LCD |
| 输入电压： | 1.4 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | -1.4 V ~ -5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | MAX870EUK+TDKR |
19-1240; Rev 1; 2/04
Switched-Capacitor Voltage Inverters
General Description
The ultra-small MAX870/MAX871 monolithic, CMOS
charge-pump inverters accept input voltages ranging
from +1.4V to +5.5V. The MAX870 operates at 125kHz,
and the MAX871 operates at 500kHz. Their high efficien-
cy (90%) and low operating current (0.7mA for the
MAX870) make these devices ideal for both battery-pow-
ered and board-level voltage-conversion applications.
Oscillator control circuitry and four power MOSFET
switches are included on-chip. A typical MAX870/
MAX871 application is generating a -5V supply from a
+5V logic supply to power analog circuitry. Both parts
come in a 5-pin SOT23-5 package and can deliver 25mA
with a voltage drop of 500mV.
For a similar device with logic-controlled shutdown,
refer to the MAX1720/MAX1721. For applications
requiring more power, the MAX860 delivers up to 50mA
Features
o 5-Pin SOT23-5 Package
o 99% Voltage Conversion Efficiency
o Invert Input Supply Voltage
o 0.7mA Quiescent Current (MAX870)
o +1.4V to +5.5V Input Voltage Range
o Require Only Two Capacitors
o 25mA Output Current
o Shutdown Control
Ordering Information
with a voltage drop of 600mV, in a space-saving μMAX
package.
________________________Applications
PART
MAX870 EUK
MAX871 EUK
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
5 SOT23-5
5 SOT23-5
SOT
TOP MARK
ABZN
ABZO
Local -5V Supply from 5V Logic Supply
Small LCD Panels
Cell Phones
Medical Instruments
Handy-Terminals, PDAs
Battery-Operated Equipment
Typical Operating Circuit
Pin Configuration
5
C1+
IN
2
INPUT
SUPPLY
TOP VIEW
VOLTAGE
MAX870
OUT
1
5
C1+
MAX871
3
4
C1-
GND
OUT
1
NEGATIVE
OUTPUT
VOLTAGE
IN
C1-
2
3
MAX870
MAX871
4
GND
SOT23-5
NEGATIVE VOLTAGE CONVERTER
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX870EUK-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX8710ETG | 功能描述:线性稳压器 - 标准 RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX8710ETG+ | 功能描述:线性稳压器 - 标准 Linear-Reg LCD Panel Power Supply RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX8710ETG+T | 功能描述:线性稳压器 - 标准 Linear-Reg LCD Panel Power Supply RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX8710ETG-T | 功能描述:线性稳压器 - 标准 RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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