The A4402 simplifies power supply design for microcontrollers and DSPs by integrating a 2 MHz buck regulator and an LDO in a single package. This dual-output regulator offers adjustable output voltages, integrated power-on reset, a watchdog timer, and overcurrent/thermal protection for robust performance.
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Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 112150-A4402KLPTR-T
Packaging: Reel - TR
Mounting: SMD (SMT)
Topology: Step-Down (Buck) (1), Linear (LDO) (1)
Frequency - Switching: 2MHz
Number of Outputs: 2
Voltage/Current - Output 1: 3.3 V to 5 V, 1A
Voltage/Current - Output 2: 1.8 V to 3.3 V, 250mA
w/LED Driver: No
w/Supervisor: No
w/Sequencer: No
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 150°C
Case / Package: 16-TSSOP-EP
Purpose: Automotive
Supply Voltage - Operating: 6 V to 50 V
Popularity: Medium
Fake Threat In the Open Market: 42 pct.
Supply and Demand Status: Balance
IC REG DL BUCK/LNR 2MHZ 16TSSOP
Switching Regulator, Current-mode, 1A, 2000kHz Switching Freq-Max, PDSO16, LEAD FREE, MO-153ABT, TSSOP-16 Product overview: A4402KLPTR-T from Allegro MicroSystems is a Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 1A, 2000kHz, TSSOP. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 1A, 2000kHz, TSSOP, Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-A4402KLPTR-T can be used for catalog matching and distributor lookup.
PMIC - Voltage Regulators - Linear + Switching 2 Output Step-Down (Buck) (1), Linear (LDO) (1) 2MHz 16-eTSSOP-EP
PMIC - Voltage Regulators - Linear + Switching 2 Output Step-Down (Buck) (1), Linear (LDO) (1) 2MHz 16-eTSSOP-EP
PMIC - Voltage Regulators - Linear + Switching 2 Output Step-Down (Buck) (1), Linear (LDO) (1) 2MHz 16-eTSSOP-EP
IC REG DL BUCK/LNR 2MHZ 16TSSOP
IC REG DL BUCK/LNR 2MHZ 16TSSOP
PMIC - Voltage Regulators - Linear Switching 2 Output Step-Down (Buck) (1), Linear (LDO) (1) 2MHz 16-eTSSOP-EP
| Allegro MicroSystems Inc. | Win Source Electronics | ODG (Origin Data Global) | ERSAELECTRONICS PTE. LTD. | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|
| Product Category | IC Voltage Regulators | IC Linear Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Switching Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | A4402KLPTR-T | 112150-A4402KLPTR-T | A4402KLPTR-T | 776-A4402KLPTR-T | 620-1462-1-ND | A4402KLPTR-T | A4402KLPTR-T | A4402KLPTR-T |
| Product Name | Dual Output Regulator | PMIC - PMIC - Voltage Regulators - Linear + Switching - A4402KLPTR-T | Voltage Regulators - Linear + Switching | 1A 2000kHz TSSOP Voltage Regulator IC | Voltage Regulators - Linear + Switching | PMIC - Voltage Regulators - Linear + Switching | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear + Switching | Voltage Regulators - Linear + Switching |
| Output Voltage Type | Adjustable / Variable | |||||||
| Package Type | Other; 16-Pin eTSSOP | SSOP; Other; 16-TSSOP-EP | Other; 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Other; TSSOP | Other; "16-TSSOP (0.173"", 4.40mm Width) Exposed Pad" | SSOP | SSOP; Other; 16-TSSOP (0.173\", 4.40mm Width) Exposed Pad | |
| Life Cycle Stage | Maturity; Active | Active | Active | Active | ||||
| Special Features | Multiple Outputs | Multiple Outputs | ||||||
| Operating Temperature | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 C (-40 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) | -40 to 150 C (-40 to 302 F) |
