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AZ1117CH-1.2TRG1

Name: AZ1117CH-1.2TRG1
Rating: 4.7 (12 reviews)

IC REG LINEAR 1.2V 1A SOT223

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Mfr。パート #AZ1117CH-1.2TRG1
パッケージ SOT-223-3
データシート AZ1117CH-1.2TRG1 DataSheet
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
Series	AZ1117C
ProductStatus	Active
OutputConfiguration	Positive
OutputType	Fixed
NumberofRegulators	1
Voltage-Input(Max)	15V
Voltage-Output(Min/Fixed)	1.2V
VoltageDropout(Max)	1.3V @ 800mA
Current-Output	1A
Current-Quiescent(Iq)	6 mA
PSRR	70dB (120Hz)
ProtectionFeatures	Thermal Shutdown
OperatingTemperature	-20°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	TO-261-4, TO-261AA

概要

Description

AZ1117CH-1.2TRG1 is a fixed-output low-dropout regulator from the AZ1117 family that provides a stable 1.2 V rail. It can deliver up to about 1 A (typical). Input voltage is up to ~15 V, with a dropout of roughly 1.1–1.2 V at full load, so Vin must exceed Vout by about 1.2 V for proper regulation. The “CH”/package and “TRG1” denote the physical package and tape-and-reel RoHS variant. Like other 1117 regulators, it requires external capacitors for stability (typical 10 μF on input and 10 μF on output; ESR must be within the datasheet’s range). Pinout depends on package, so check the datasheet for the exact orientation. Applications include supplying a small 1.2 V rail for logic, memory, and other low-voltage circuitry in compact designs. Pros: simple, inexpensive. Cons: dissipates heat as (Vin−1.2V) × I. For exact specs, pinout, and capacitor recommendations, refer to the AZ1117CH-1.2TRG1 datasheet.

Features

Here are the key features of AZ1117CH-1.2TRG1:
- Fixed output: 1.2 V
- Output current: up to ~800 mA
- Low dropout voltage (≈ 1.2 V at full load)
- Input voltage range: 4.75 V to 15 V
- 3-pin LDO regulator (CH package; compatible with TO-263/SOT-223 styles)
- Good line and load regulation
- Protections: thermal shutdown and current/short-circuit protection
- Operating temperature: typically -40°C to +125°C
- Packaging: Tape & Reel (TRG1) for automated assembly
- RoHS-compliant, Pb-free
Note: exact numbers (e.g., dropout under full load) may vary slightly by lot; refer to the datasheet for precise specs.

Package

SOT-223 surface-mount package (3 pins with a metal tab). The TRG1 suffix indicates Tape & Reel, Green packaging.

Pinout

- Pin count: 3
- Function: Fixed 1.2 V low-dropout regulator (LDO). Pinout (looking at the front): Pin 1 = GND, Pin 2 = Vout (1.2 V), Pin 3 = Vin.

Manufacturer

Manufacturer: Diodes Incorporated (often listed as Diodes Inc. or DI).
Company type: A global semiconductor company that designs and manufactures diodes, transistors, discrete devices, and ICs (including regulators and power-management products) for automotive, industrial, and consumer markets.

Application

AZ1117CH-1.2TRG1 is a fixed 1.2V low-dropout regulator. Common applications:
- Generate a 1.2V core/reference rail for microprocessors, GPUs, memory, DSPs, FPGAs, ASICs
- Post-regulation from higher rails (4.5–15V) in consumer electronics (set-top boxes, routers, displays)
- Battery-powered/portable devices needing a compact, simple LDO
- Development boards and embedded systems as a fixed 1.2V regulator
- Low-noise analog/digital rails requiring a stable 1.2V supply

Equivalent

Here are common drop-in equivalents (1.2 V fixed, same pinout/package as AZ1117CH-1.2TRG1):
- AMS1117-1.2
- LM1117-1.2
- AP1117-1.2
- TLV1117-1.2
- NCP1117-1.2
- LD1117V12
Note: verify exact package (SOT-223/TO-220) and thermal/maximum ratings for your board. AZ1117 is a clone of the AMS1117 family.