参数资料
型号: TCM828ECT713
元件分类: 稳压器
英文描述: SWITCHED CAPACITOR CONVERTER, 15.6 kHz SWITCHING FREQ-MAX, PDSO5
封装: PLASTIC, SOT-23, 5 PIN
文件页数: 1/26页
文件大小: 359K
代理商: TCM828ECT713
2010 Microchip Technology Inc.
DS21488B-page 1
TCM828/TCM829
Features
Charge Pump in 5-Pin SOT-23 Package
>95% Voltage Conversion Efficiency
Voltage Inversion and/or Doubling
Low 50 A (TCM828) Quiescent Current
Operates from +1.5V to +5.5V
Up to 25 mA Output Current
Only Two External Capacitors Required
Applications
LCD Panel Bias
Cellular Phones
Pagers
PDAs, Portable Dataloggers
Battery-Powered Devices
Typical Application Circuit
Description
The TCM828/TCM829 devices are CMOS “charge-
pump” voltage converters in ultra-small, 5-Pin SOT-23
packages. They invert and/or double an input voltage
which can range from +1.5V to +5.5V. Conversion
efficiency is typically >95%. Switching frequency is
12 kHz for the TCM828, and 35 kHz for the TCM829.
External component requirement is only two capacitors
(3.3 F
nominal)
for
standard
voltage
inverter
applications. With a few additional components, a
positive doubler can also be built. All other circuitry,
including control, oscillator and power MOSFETs, are
integrated on-chip. Supply current is 50 A (TCM828)
and 115 A (TCM829).
The TCM828 and TCM829 devices are available in a
5-Pin SOT-23 surface mount package.
Package Type
Ordering Information
VIN
V-
OUTPUT
C+
C-
C1
C2
INPUT
GND
TCM
8
2
8
/TCM
82
9
Voltage Inverter
OUT
Part No.
Package
Temperature
Range
TCM828ECT
5-Pin SOT-23
-40°C to +85°C
TCM828VT
5-Pin SOT-23
-40°C to +125°C
TCM829ECT
5-Pin SOT-23
-40°C to +85°C
Note:
5-Pin SOT-23 is equivalent to EIAJ
SC-74A.
C+
1
2
3
5
GND
4
C-
OUT
VIN
TCM828/TCM829
SOT-23
Switched Capacitor Voltage Converters
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相关代理商/技术参数
参数描述
TCM828VT 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Switched Capacitor Voltage Converters
TCM828VT713 制造商:Microchip Technology Inc 功能描述:
TCM829 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Switched Capacitor Voltage Converters
TCM829ECT 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Switched Capacitor Voltage Converters
TCM829ECT713 功能描述:电荷泵 Switched CAP 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