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參數資料
| 型號： | MAX870C |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | TV 55C 55#20 PIN WALL RECP |
| 中文描述： | 開關電容電壓反相器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 97K |
| 代理商： | MAX870C |
_______________General Desc ription
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 applications requiring more power, the MAX860
delivers up to 50mA with a voltage drop of 600mV, in a
space-saving μMAX package.
________________________Applic ations
Local -5V Supply from 5V Logic Supply
Small LCD Panels
Cell Phones
Medical Instruments
Handy-Terminals, PDAs
Battery-Operated Equipment
____________________________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
M
S witc hed-Capac itor Voltage Inverters
________________________________________________________________ Maxim Integrated Products
1
TOP VIEW
IN
GND
C1-
C1+
OUT
SOT23-5
1
5
MAX870
MAX871
2
3
4
__________________Pin Configuration
NEGATIVE VOLTAGE CONVERTER
C1+
C1-
IN
OUT
GND
INPUT
SUPPLY
VOLTAGE
NEGATIVE
OUTPUT
VOLTAGE
MAX870
MAX871
4
3
5
2
1
__________Typic al Operating Circ uit
19-1240; Rev 0; 6/97
PART
MAX870
C/D
MAX870EUK
MAX871
C/D
MAX871EUK
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-
PACKAGE
Dice*
5 SOT23-5
Dice*
5 SOT23-5
______________Ordering Information
*Dice are tested at T
A
= +25°C.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
-40°C to +85°C
SOT
TOP MARK
—
ABZN
—
ABZO
相關PDF資料 |
PDF描述 |
|---|---|
| MAX870D | Switched-Capacitor Voltage Inverters |
| MAX871 | Switched-Capacitor Voltage Inverters |
| MAX871C | Switched-Capacitor Voltage Inverters |
| MAX871D | Switched-Capacitor Voltage Inverters |
| MAX870 | Switched-Capacitor Voltage Inverters |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX870C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX870EUK | 制造商:Maxim Integrated Products 功能描述:SWITCHED-CAPACITOR VOLTAGE INVERTERS - Rail/Tube |
| MAX870EUK+ | 制造商:Maxim Integrated Products 功能描述:CHG PUMP INV -5.5V TO -1.4V 25MA 5PIN SOT-23 - Bulk 制造商:Maxim Integrated Products 功能描述:Charge Pump INV -1.4V to -5.5V 25mA 5-Pin SOT-23 Bulk |
| MAX870EUK+T | 功能描述:電荷泵 Switched-Capacitor Voltage Inverter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX870EUK-T | 功能描述:電荷泵 Switched-Capacitor Voltage Inverter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
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