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The MAX682/MAX683/MAX684 charge-pump regulators generate 5V from a 2.7V to 5.5V input. They are specifically designed to serve as high-efficiency auxiliary supplies in applications that demand a compact design. The MAX682, MAX683, and MAX684 deliver 250mA, 100mA, and 50mA output current, respectively.
These complete 5V regulators require only one resistor and three external capacitorsno inductors are needed. High switching frequencies (externally adjustable up to 2MHz) and a unique regulation scheme allow the use of capacitors as small as 1µF per 100mA of output current. The MAX683/MAX684 are offered in a space-saving 8-pin µMAX package that is only 1.1mm high, while the MAX682 is available in an 8-pin SO.
These complete 5V regulators require only one resistor and three external capacitorsno inductors are needed. High switching frequencies (externally adjustable up to 2MHz) and a unique regulation scheme allow the use of capacitors as small as 1µF per 100mA of output current. The MAX683/MAX684 are offered in a space-saving 8-pin µMAX package that is only 1.1mm high, while the MAX682 is available in an 8-pin SO.
主要特征
- Ultra-Small: 1µF Capacitors per 100mA of Output Current
- No Inductors Required
- 1.1mm Height in µMAX Package (MAX683/MAX684)
- Up to 250mA Output Current (MAX682)
- Regulated ±4% Output Voltage
- 50kHz to 2MHz Adjustable Switching Frequency
- 2.7V to 5.5V Input Voltage
- 100µA Quiescent Current in Pulse-Skipping Mode
- 0.1µA Shutdown Current
应用/用途
- 3.3V至5V本地转换应用
- 3V至5V GSM SIMM卡
- 备用电池升压转换器
- 电池供电应用
- 闪存电源
- 微型设备
- PCMCIA卡
Parametric specs for Charge Pumps
Topology | Regulated |
VIN (V) (min) | 2.7 |
VIN (V) (max) | 5.5 |
IOUT (A) (typ) | 0.25 |
Unadj. VOUT (V) | 5 |
ICC (mA) (max) | 0.18 |
Switching Frequency (kHz) | 1000 |
Oper. Temp. (°C) | -40 to +85 |
Package/Pins | SOIC (N)/8 |
Budgetary Price (See Notes) | $2.60 @1k |
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技术文档
数据资料 | 3.3V输入、稳压输出5V的电荷泵 | Aug 01, 1998 |
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参量
Parametric specs for Charge Pumps
Topology | Regulated |
VIN (V) (min) | 2.7 |
VIN (V) (max) | 5.5 |
IOUT (A) (typ) | 0.25 |
Unadj. VOUT (V) | 5 |
ICC (mA) (max) | 0.18 |
Switching Frequency (kHz) | 1000 |
Oper. Temp. (°C) | -40 to +85 |
Package/Pins | SOIC (N)/8 |
Budgetary Price (See Notes) | $2.60 @1k |
主要特征
- Ultra-Small: 1µF Capacitors per 100mA of Output Current
- No Inductors Required
- 1.1mm Height in µMAX Package (MAX683/MAX684)
- Up to 250mA Output Current (MAX682)
- Regulated ±4% Output Voltage
- 50kHz to 2MHz Adjustable Switching Frequency
- 2.7V to 5.5V Input Voltage
- 100µA Quiescent Current in Pulse-Skipping Mode
- 0.1µA Shutdown Current
应用/用途
- 3.3V至5V本地转换应用
- 3V至5V GSM SIMM卡
- 备用电池升压转换器
- 电池供电应用
- 闪存电源
- 微型设备
- PCMCIA卡
描述
The MAX682/MAX683/MAX684 charge-pump regulators generate 5V from a 2.7V to 5.5V input. They are specifically designed to serve as high-efficiency auxiliary supplies in applications that demand a compact design. The MAX682, MAX683, and MAX684 deliver 250mA, 100mA, and 50mA output current, respectively.
These complete 5V regulators require only one resistor and three external capacitorsno inductors are needed. High switching frequencies (externally adjustable up to 2MHz) and a unique regulation scheme allow the use of capacitors as small as 1µF per 100mA of output current. The MAX683/MAX684 are offered in a space-saving 8-pin µMAX package that is only 1.1mm high, while the MAX682 is available in an 8-pin SO.
These complete 5V regulators require only one resistor and three external capacitorsno inductors are needed. High switching frequencies (externally adjustable up to 2MHz) and a unique regulation scheme allow the use of capacitors as small as 1µF per 100mA of output current. The MAX683/MAX684 are offered in a space-saving 8-pin µMAX package that is only 1.1mm high, while the MAX682 is available in an 8-pin SO.
技术文档
数据资料 | 3.3V输入、稳压输出5V的电荷泵 | Aug 01, 1998 |