power-management-pmic

AZ1117D-3.3

Full part number: AZ1117D-3.3TRE1

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

01 — Overview

This datasheet covers the AZ1117 series of low dropout linear regulators, specifically part number AZ1117D-3.3TRE1. It details the device's function as a 1A regulator with adjustable or fixed output voltages ranging from 1.2V to 5.0V. Key features include a 1.15V dropout voltage at full load, trimmed current limiting, and on-chip thermal shutdown protection. The document lists various industry-standard packages like SOT223 and TO220, confirms lead-free RoHS compliance, and provides pin assignments and typical application circuits for power management in computing and telecom equipment.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 5 mA —
output voltage — 3.3 V —
output current — 1 A —
supply voltage range — — 15 V
operating temperature -40 °C — 125 °C
psrr 60 dB 75 dB — f = 120Hz, COUT = 22μF Tantalum, VIN-VOUT = 3V, IOUT = 1A
dropout voltage — 1.15 V —
output noise voltage — 99 µV —
output count — 1 —
03 — Alternatives

Closest matches to AZ1117D-3.3

AZ1117C-3.3 1.2× lower quiescent current, 1.2× higher operating temperature, 1.1× lower psrr
L78M05ABV 2.5× lower output noise voltage, 2.0× lower output current, 1.7× higher dropout voltage
LD1117-3.3 2.8× lower output voltage, 1.2× lower output current, 1.2× higher operating temperature
L78L05ABD13TR 10.0× lower output current, 2.5× lower output noise voltage, 2.0× higher supply voltage range
TLV758P 4.0× lower supply voltage range, 1.9× lower output noise voltage, 1.6× lower dropout voltage
AP2112-1.2 3.5× lower supply voltage range, 2.8× lower output voltage, 2.0× lower output noise voltage
AP2127K-3.3TRG1 2.3× lower supply voltage range, 2.2× lower output current, 1.9× lower operating temperature
AMS1117 1.6× lower supply voltage range, similar dropout voltage, similar operating temperature
04 — FAQ

Frequently asked questions

What is the dropout voltage of the AZ1117D-3.3TRE1?

The dropout voltage is 1.15 V.

What is the maximum operating temperature?

The maximum operating temperature is 125 °C.

What is the output count?

The output count is 1.

What is the output current of the AZ1117D-3.3TRE1?

The output current is 1 A.

What is the output noise voltage of the AZ1117D-3.3TRE1?

The output noise voltage is 99 µV.

What is the output voltage of the AZ1117D-3.3TRE1?

The output voltage is 3.3 V.

What is the PSRR of the AZ1117D-3.3TRE1 at f = 120Hz, COUT = 22μF Tantalum, VIN-VOUT = 3V, and IOUT = 1A?

The PSRR is 75 dB.

What is the quiescent current of the AZ1117D-3.3TRE1?

The quiescent current is 5 mA.

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