LP2951-33 - Fixed/Adjustable 3.3V Micropower Voltage Regulator with Shutdown

LP2951-33是TI德州仪器公司的一款单通道LDO产品，LP2951-33是Fixed/Adjustable 3.3V Micropower Voltage Regulator with Shutdown，本站介绍了LP2951-33的封装应用图解、特点和优点、功能等，并给出了与LP2951-33相关的TI元器件型号供参考。

LP2951-33 - Fixed/Adjustable 3.3V Micropower Voltage Regulator with Shutdown - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

Wide Input Range: Up to 30 V
Rated Output Current of 100 mA
Low Dropout: 380 mV (Typ) at 100 mA
Low Quiescent Current: 75 μA (Typ)
Tight Line Regulation: 0.03% (Typ)
Tight Load Regulation: 0.04% (Typ)
High VO Accuracy
- 1.4% at 25°C
- 2% Over Temperature
Can Be Used as a Regulator or Reference
Stable With Low ESR (>12mΩ) Capacitors
Current- and Thermal-Limiting Features
LP2950 Only (3-Pin Package)
- Fixed-Output Voltages of 5 V, 3.3 V, and3V
LP2951 Only (8-Pin Package)
- Fixed- or Adjustable-Output Voltages: 5V/ADJ, 3.3V/ADJ, and 3V/ADJ
- Low-Voltage Error Signal on Falling Output
- Shutdown Capability
- Remote Sense Capability for Optimal Output Regulation and Accuracy

产品应用

Applications with High-Voltage Input
Power Supplies

产品说明

The LP2950 and LP2951 devices are bipolar, low-dropout voltage regulators that can accommodate a wide input supply-voltage range of up to 30 V. The easy-to-use, 3-pin LP2950 is available in fixed-output voltages of 5V, 3.3V, and 3V. However, the 8-pin LP2951 is able to output either a fixed or adjustable output from the same device. By tying the OUTPUT and SENSE pins together, and the FEEDBACK and VTAP pins together, the LP2951 outputs a fixed 5 V, 3.3 V, or 3 V (depending on the version). Alternatively, by leaving the SENSE and VTAP pins open and connecting FEEDBACK to an external resistor divider, the output can be set to any value between 1.235 V to 30 V.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LP2950	TO-92 (3)	4.83 mm x 4.83 mm
LP2951	SOIC (8)	4.90 mm x 3.90 mm
LP2951	SON (8)	3.00 mm x 3.00 mm

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