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| 型号： | TCM829ECT713 |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG ADJ SOT23A-5 |
| 产品变化通告： | Obsolescence 22/Feb/2011 |
| 标准包装： | 1 |
| 类型： | 切换式电容器（充电泵），倍增器，反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -1.5 V ~ -5.5 V，±3 V ~ ±11 V |
| 输入电压： | 1.5 V ~ 5.5 V |
| 频率 - 开关： | 35kHz |
| 电流 - 输出： | 25mA |
| 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： | SC-74A，SOT-753 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-5 |
| 产品目录页面： | 664 (CN2011-ZH PDF) |
| 其它名称： | TCM829ECT713DKR |
TCM828/TCM829
Switched Capacitor Voltage Converters
Features
Description
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Charge Pump in 5-Pin SOT-23 Package
>95% Voltage Conversion Efficiency
Voltage Inversion and/or Doubling
Low 50 μA (TCM828) Quiescent Current
Operates from +1.5V to +5.5V
Up to 25 mA Output Current
Only Two External Capacitors Required
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 μF nominal) for standard voltage inverter
applications. With a few additional components, a
Applications
positive doubler can also be built. All other circuitry,
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LCD Panel Bias
Cellular Phones
Pagers
PDAs, Portable Dataloggers
Battery-Powered Devices
including control, oscillator and power MOSFETs, are
integrated on-chip. Supply current is 50 μA (TCM828)
and 115 μA (TCM829).
The TCM828 and TCM829 devices are available in a
5-Pin SOT-23 surface mount package.
Typical Application Circuit
Voltage Inverter
Package Type
TCM828/TCM829
SOT-23
C +
V IN
INPUT
C1
OUT 1
5
C +
C -
V IN
2
GND
OUT
C 2
V -
OUTPUT
C -
3
4
GND
Ordering Information
Part No.
TCM828ECT
TCM828VT
TCM829ECT
Package
5-Pin SOT-23
5-Pin SOT-23
5-Pin SOT-23
Temperature
Range
-40°C to +85°C
-40°C to +125°C
-40°C to +85°C
? 2010 Microchip Technology Inc.
Note:
5-Pin SOT-23 is equivalent to EIAJ
SC-74A.
DS21488B-page 1
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