The REG710 family of devices are switched capacitor voltage converters that generate regulated, low-ripple output voltage from an unregulated input voltage. A wide input supply voltage from 1.8 V to 5.5 V makes the REG710 family of devices ideal for a variety of battery sources, such as single-cell Li-Ion, or 2-cell and 3-cell nickel-based or alkaline-based chemistries.

The input voltage may vary above and below the output voltage and the output remains in regulation. The device works as step-up or step-down converters without the need of an inductor, providing low EMI DC-DC conversion. The high switching frequency allows the use of small surface-mount capacitors, saving board space and reducing cost. The REG710 device is thermally protected and current limited, protecting the load and the regulator during fault conditions. Typical ground pin current (quiescent current) is 65 μA with no load, and less than 1 μA in shutdown mode.

• Wide Input Voltage Range: 1.8 V to 5.5 V
• Automatic Step-Up and Step-Down Operation
• Low Input Current Ripple
• Low Output Voltage Ripple
• Minimum Number of External Components—No Inductors
• 1-MHz Internal Oscillator Allows Small Capacitors
• Shutdown Mode
• Thermal and Current Limit Protection
• Six Fixed Output Voltages Available:
  • 2.5 V, 2.7 V, 3 V, 3.3 V, 5 V, 5.5 V

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• Vin (Min) (V)
• 1.8
• Vin (Max) (V)
• 5.5
• Vout (Min) (V)
• 2.7
• Vout (Max) (V)
• 2.7
• Iout (Max) (A)
• 0.03
• Regulated outputs (#)
• 1
• Switching frequency (Min) (kHz)
• 1000
• Switching frequency (Max) (kHz)
• 1000
• Iq (Typ) (mA)
• 0.065
• Features
• Enable
• Rating
• Catalog

REG710-27的完整型号有：REG710NA-2.7/250，以下是这些产品的关键参数及官网采购报价：

REG710NA-2.7/250，工作温度：-40 to 85，封装：SOT-23 (DBV)-6，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网REG710NA-2.7/250的批量USD价格：0.458（1000+）

REG710EVM-33 — 用于降压升压充电泵 REG710 的评估模块

The REG710EVM-33 is an evaluation tool for the 30mA buck-boost charge pump in SOT23-5 package. With an input voltage in the range of 1.8V to 5.5V, it delivers a regulated output voltage of 3.3V with up to 30mA of output current.

Specifications:

• Input Voltage: 1.8V to 5.5V
• Ouput Voltage: 3.3V +/- 6%
• (...)

REG710EVM-5 — 用于降压升压充电泵 REG710-5 的评估模块

The REG710EVM-5 is an evaluation tool for the 30mA buck-boost charge pump in SOT23-5 package. With an input voltage in the range of 2.7V to 5.5V, it delivers a regulated output voltage of 5V with up to 30mA of output current.

Specifications

• Input Voltage: 2.7V to 5.5V
• Ouput Voltage: 5.0V +/- 6%
• (...)

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