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TPS7A9401DSCR TI Chips TPS7A94 1-A Ultra Low Noise Ultra High PSRR Low Dropout Regulator

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TPS7A9401DSCR TI Chips TPS7A94 1-A Ultra Low Noise Ultra High PSRR Low Dropout Regulator

Brand Name:	TI Chips
Model Number:	TPS7A9401DSCR
MOQ:	3000
Packaging Details:	3000PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Model:

TPS7A9401DSCR

Product Name:

TI Chips

Type:

SMD/SMT

Operating Temperature:

- 40 °C ~ + 125 °C

Pull-back Voltage:

150 MV

Output Current:

Supply Ability:

1000000

Highlight:

TPS7A9401DSCR

TPS7A9401 TI Chips

1A Low Dropout Regulator

Product Description

TI Chips TPS7A9401DSCR TPS7A94 1-A, Ultra-Low Noise, Ultra-High PSRR, Low-Dropout Regulator

Features

• Ultra-low output noise:

– 0.46 μVRMS (typ, 10 Hz to 100 kHz)

• High power-supply ripple rejection (PSRR):

– 102 dB at 100Hz

– 110 dB at 1 kHz

– 95 dB at 10 kHz

– 78 dB at 100 kHz

– 50 dB at 1 MHz

• Accuracy over line, load, and temperature: 1%

• Low dropout: 150 mV at 1 A

• Wide input voltage range: 1.7 V to 5.7 V

• Wide output voltage range: 0 V to 5.5 V

• Parallelable for lower noise and higher current

• Fast transient response

• Precision enable and UVLO

• Programmable current limit

• Programmable PG threshold

• Adjustable start-up inrush control

• Open-drain, power-good (PG) output

• Package: 3.00-mm × 3.00-mm, 10-pin WSON:

– JEDEC RθJA: 46.1°C/W

– EVM RθJA: 25.6°C/W

Applications

• Macro remote radio units (RRU)

• Outdoor backhaul units

• Active antenna system mMIMO (AAS)

• Ultrasound scanners

• Lab and field instrumentation

• Sensor, imaging, and radar

Description

The TPS7A94 is an ultra-low-noise (0.46 μVRMS), low-

dropout (LDO) voltage regulator capable of sourcing

1 A with only 150 mV of dropout. The low dropout,

in conjunction with a wide bandwidth error amplifier,

allows for very high PSRR (110 dB at 1 kHz and

50 dB at 1 MHz) under low operating headroom

(500 mV) and high output current (750 mA).

The device output is adjustable from 0 V to

5.5 V with an external resistor. With the wide

input voltage range, the device supports operation

as low as 1.7 V and up to 5.7 V. The device

includes programmable current limit, programmable

PG threshold, and precision enable, allowing better

control in the application.

With the high-accuracy reference and wide-bandwidth

topology, the device can be easily paralleled to

achieve lower noise and higher current.

With 1% output voltage accuracy (over line, load,

and temperature) and soft-start capabilities to reduce

inrush current, the device is an excellent choice for

powering sensitive analog low-voltage devices.

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products details

TPS7A9401DSCR TI Chips TPS7A94 1-A Ultra Low Noise Ultra High PSRR Low Dropout Regulator

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