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主要特征
应用/用途
Parametric specs for Charge Pumps
| Topology | Doubler Dual Output Inverter Unregulated |
| VIN (V) (min) | 2 |
| VIN (V) (max) | 6 |
| IOUT (A) (typ) | 0.01 |
| Unadj. VOUT (V) | +2xVIN -2xVIN |
| IQ (mA) (max) | 2 |
| Switching Frequency (kHz) | 8 |
| Oper. Temp. (°C) | -55 to +125 -40 to +85 0 to +70 |
| Package/Pins | CDIP/8 PDIP/8 SOIC (N)/8 |
| Budgetary Price (See Notes) | 2.16 |
缩小
简化框图
Technical Docs
| 数据资料 | +5V至±10V电压变换器 | Jul 23, 2019 | |
| 应用笔记 | Load-Disconnect Switch Halts Battery Discharge to Protect Rechargeable Batteries |
支持和培训
采样:
选择上方“样片”按钮将重定向至第三方ADI样片网站。登录后，所选部件将转移到您在此网站上的购物车。如果您之前从未使用过此网站，请创建一个新帐户。有关此样片网站的任何问题，请联系SampleSupport@analog.com。
参量
Parametric specs for Charge Pumps
| Topology | Doubler Dual Output Inverter Unregulated |
| VIN (V) (min) | 2 |
| VIN (V) (max) | 6 |
| IOUT (A) (typ) | 0.01 |
| Unadj. VOUT (V) | +2xVIN -2xVIN |
| IQ (mA) (max) | 2 |
| Switching Frequency (kHz) | 8 |
| Oper. Temp. (°C) | -55 to +125 -40 to +85 0 to +70 |
| Package/Pins | CDIP/8 PDIP/8 SOIC (N)/8 |
| Budgetary Price (See Notes) | 2.16 |
主要特征
- 95% Voltage-Conversion Efficiency
- 85% Power-Conversion Efficiency
- +2V to +6V Voltage Range
- Only Four External Capacitors Required (MAX680)
- No Capacitors Required (MAX681)
- 500µA Supply Current
- Monolithic CMOS Design
应用/用途
- +5V至±10V逻辑电源
- 从3V锂电池产生±6V
- 电池供电应用
- 数据采集
- 手持式仪表(PDA、掌上电脑)
- 运算放大器电源
- 面板表
描述
The MAX680/MAX681 are monolithic, CMOS, dual charge-pump voltage converters that provide ±10V outputs from a +5V input voltage. The MAX680/MAX681 provide both a positive step-up charge pump to develop +10V from +5V input and an inverting charge pump to generate the -10V output. Both parts have an on-chip, 8kHz oscillator. The MAX681 has the capacitors internal to the package, and the MAX680 requires four external capacitors to produce both positive and negative voltages from a single supply.
The output source impedances are typically 150Ω, providing useful output currents up to 10mA. The low quiescent current and high efficiency make this device suitable for a variety of applications that need both positive and negative voltages generated from a single supply.
The MAX864/MAX865 are also recommended for new designs. The MAX864 operates at up to 200kHz and uses smaller capacitors. The MAX865 comes in the smaller µMAX® package.
The output source impedances are typically 150Ω, providing useful output currents up to 10mA. The low quiescent current and high efficiency make this device suitable for a variety of applications that need both positive and negative voltages generated from a single supply.
The MAX864/MAX865 are also recommended for new designs. The MAX864 operates at up to 200kHz and uses smaller capacitors. The MAX865 comes in the smaller µMAX® package.
Technical Docs
| 数据资料 | +5V至±10V电压变换器 | Jul 23, 2019 | |
| 应用笔记 | Load-Disconnect Switch Halts Battery Discharge to Protect Rechargeable Batteries |
支持和培训
采样:
选择上方“样片”按钮将重定向至第三方ADI样片网站。登录后，所选部件将转移到您在此网站上的购物车。如果您之前从未使用过此网站，请创建一个新帐户。有关此样片网站的任何问题，请联系SampleSupport@analog.com。
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