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TPS70950DRVR

150mA LDO, 5.0V fixed, 1uA Iq, 36V max input, reverse current prot, SOT-23-6

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Pieza del fabricante：

TPS70950DRVR

Paquete：

SOT-23-6 / DRV (2.9 x 1.6 x 1.0 mm)

Marca：
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Descripción

Productos

The TPS70950DRVR from Texas Instruments is an ultra-low quiescent current 150mA LDO with 5.0V fixed output. It features 350mV dropout, 1uA Iq, reverse current protection, and an active-high enable in a 6-pin SOT-23 (DRV) package.

Especificaciones

Output Voltage 5.0V Fixed
Corriente de salida 150mA
Input Voltage Range 5.35V to 36V
Dropout Voltage 350mV (typ @ 150mA)
Corriente de reposo 1uA (typ)
Reverse Current Protection Yes
Enable Active High
Temperatura de funcionamiento -40 to 125 C

Características

  • Ultra-low 1uA quiescent current
  • Wide input voltage range up to 36V
  • Reverse current protection
  • Thermal shutdown and overcurrent protection
  • Active-high enable pin
  • Stable with 1.5uF ceramic capacitor

Aplicaciones

  • Always-on battery-powered systems
  • IoT sensor node power
  • Building automation power
  • Smart meters and metering
  • Portable medical devices

The TPS70950DRVR from Texas Instruments is an ultra-low quiescent current, 150mA, low-dropout linear regulator with a fixed 5.0V output. The standout feature is the 1uA quiescent current, making it ideal for always-on battery-powered applications where minimal standby power consumption is critical. The device accepts input voltages from 5.35V to 36V, providing wide headroom for automotive and industrial applications. Reverse current protection prevents current flow from output to input, eliminating the need for external blocking diodes. The active-high enable pin allows the device to be placed in a near-zero current shutdown mode. Thermal shutdown and overcurrent protection ensure robust operation under fault conditions. The TPS70950 is available in a 6-pin SOT-23 (DRV) package rated for -40 to 125 C.

The TPS70950DRVR operates as a PMOS LDO with ultra-low quiescent current design. Key subsystems include: (1) Voltage Reference – an internal sub-bandgap reference achieves 1uA quiescent current operation; (2) Error Amplifier – a low-power error amplifier compares the feedback voltage with the internal reference and drives the PMOS gate; (3) PMOS Pass Element – a P-channel MOSFET provides regulation with 350mV dropout at 150mA; (4) Reverse Current Protection – an internal circuit blocks current flow from output to input when VOUT exceeds VIN, preventing damage to upstream circuits; (5) Enable Logic – active-high enable controls device operation with near-zero current in shutdown; (6) Protection – thermal shutdown and current limiting protect under fault conditions.

Pin Nombre Tipo Función
1 ES Entrada Enable input (active high)
2 VIN Potencia Input voltage supply (5.35V to 36V)
3 GND Suelo Ground connection
4 NC Unused Sin conexión
5 VOUT Salida Regulated 5.0V output
6 PG Salida Power good open-drain output
  • Always-on battery-powered IoT sensor nodes with 1uA standby
  • Building automation systems requiring 36V input capability
  • Smart meter power supplies with ultra-low quiescent current
  • Portable medical device power regulation
  • Industrial always-on monitoring system power rails
Fabricante Número de pieza Paquete Notas
Texas Instruments TPS70933DRVR SOT-23-6 3.3V fixed version
Microchip MCP1811AT-050/OT SOT-23-5 5.0V, 1uA Iq, 150mA
onsemi NCV8164ASN500T1G SOT-23-5 5.0V, 4uA Iq, automotive
Dispositivos analógicos LT3008ETS8-5#PBF TSOT-23-8 3uA Iq, 5.0V, 20mA
Richtek RT9013-33GB SOT-23-5 3.3V, 300mA, low noise
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