power-management-pmic

SPX5205-5.0

Full part number: SPX5205M5-L-5.0

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This datasheet covers the SPX5205M5-L-5.0, a 150mA low-noise LDO voltage regulator from Exar Corporation. It details the device's features, electrical specifications, and typical performance for battery-powered systems like portable computers and phones. Key parameters include a maximum dropout voltage of 210mV at full load, ultra-low quiescent current of 70μA, output noise as low as 40μV RMS, and fixed output options ranging from 1.2V to 5.0V in a compact 5-pin SOT-23 package.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 70 µA —
output voltage — 5 V —
output current — 150 mA —
supply voltage range 2.5 V — 16 V
operating temperature -40 °C — 125 °C
standby current — 50 nA —
dropout voltage — 210 mV —
output noise voltage — 300 µV —
output count — 1 —
03 — Alternatives

Closest matches to SPX5205-5.0

AP2127K-3.3TRG1 6.7× higher dropout voltage, 5.0× lower output noise voltage, 3.0× higher output current
RT9193-33GB 5.0× lower standby current, 3.0× lower output noise voltage, 2.3× lower supply voltage range
LP5907 5.8× lower quiescent current, 2.4× lower supply voltage range, 1.8× lower output voltage
SPX3819M5-L 3.3× higher output current, 1.6× higher dropout voltage, similar operating temperature
AZ1117C-3.3 6.7× higher output current, 5.7× higher dropout voltage, 3.0× lower output noise voltage
L78L05ABD13TR 9.5× higher dropout voltage, 7.5× lower output noise voltage, 3.2× higher supply voltage range
L78M05ABV 9.5× higher dropout voltage, 7.5× lower output noise voltage, 3.3× higher output current
TLV758P 5.7× lower output noise voltage, 4.8× higher output current, 3.4× higher dropout voltage
04 — FAQ

Frequently asked questions

What is the dropout voltage?

The dropout voltage is 210 mV.

What is the maximum operating temperature?

The maximum operating temperature is 125 °C.

What is the output count for the SPX5205M5-L-5.0?

The output count is 1.

What is the output current?

The output current is 150 mA.

What is the output noise voltage?

The output noise voltage is 300 µV.

What is the output voltage of the SPX5205M5-L-5.0?

The output voltage is 5 V.

What is the quiescent current of the SPX5205M5-L-5.0?

The quiescent current is 70 µA.

What is the standby current?

The standby current is 50 nA.

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