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LM43602AQPWPRQ1

Automotive Qualified 3.5V to 36V, 2A Synchronous Step-Down Voltage Converter

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM43602AQPWPRQ1
Datasheet:

LM43602AQPWPRQ1 Datasheet (PDF)
Vin (min) (V):

3.5
Vin (max) (V):

36
Vout (min) (V):

1
Vout (max) (V):

28
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LM43602AQPWPRQ1 General Description

The LM43602-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 2 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V abs maximum). The LM43602-Q1 provides exceptional efficiency, output accuracy and dropout voltage in a very small solution size. An extended family is available in 0.5-A , 1-A, and 3-A load current options in pin-to-pin compatible packages. Peak current mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. Optional features such as programmable switching frequency, synchronization, power-good flag, precision enable, internal soft-start, extendable soft-start, and tracking provide a flexible and easy to use platform for a wide range of applications. Discontinuous conduction and automatic frequency modulation at light loads improve light load efficiency. The family requires few external components and pin arrangement allows simple, optimum PCB layout. Protection features include thermal shutdown, V_CC undervoltage lockout, cycle-by-cycle current limit, and output short-circuit protection. The LM43602-Q1 device is available in the HTSSOP (PWP) 16-pin leaded package (6.6 mm × 5.1 mm × 1.2 mm).The LM43602A-Q1 version is optimized for PFM operation and recommended for new designs. The device is pin-to-pin compatible with LM4360x and LM4600x family.

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Key Features

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 2: –40°C to +125°C Ambient Operating Temperature
27-µA Quiescent Current in Regulation
High Efficiency at Light Load (DCM and PFM)
Meets EN55022/CISPR 22 EMI Standards
Integrated Synchronous Rectification
Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz default)
Frequency Synchronization to External Clock
Internal Compensation
Stable with Almost Any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors
Power-Good Flag
Soft Start into a Pre-Biased Load
Internal Soft Start: 4.1 ms
Extendable Soft-Start Time by External Capacitor
Output Voltage Tracking Capability
Precision Enable to Program System UVLO
Output Short-Circuit Protection with Hiccup Mode
Overtemperature Thermal Shutdown Protection
Create a Custom Design Using the LM43602-Q1 With the WEBENCH^® Power Designer

Specifications

Vin (min) (V)	3.5	Vin (max) (V)	36
Vout (min) (V)	1	Vout (max) (V)	28
Iout (max) (A)	2	Iq (typ) (mA)	0.027
Switching frequency (min) (kHz)	200	Switching frequency (max) (kHz)	2200
Features	Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking	Operating temperature range (°C)	-40 to 125
Rating	Automotive	Regulated outputs (#)	1
Control mode	current mode	Duty cycle (max) (%)	99
Type	Converter	feature-type	Synchronous Step Down
feature-isolation		feature-process-technology
feature-output-type	Adjustable	feature-switching-frequency-khz	200 to 2200
feature-number-of-outputs	1	feature-output-voltage-v	1 to 28
feature-maximum-output-current-a	2	feature-maximum-output-power-w
feature-minimum-input-voltage-v	3.5	feature-maximum-input-voltage-v	36
feature-typical-switch-current-a	4.5	feature-efficiency-
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	16	feature-cecc-qualified
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	Yes
feature-aec-qualified-number	AEC-Q100	feature-auto-motive	Yes
feature-p-pap	Yes	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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Ratings and Reviews

N**a 07/08/2022

Avaq's remarkable commitment to customer satisfaction is evident through their prompt response and support. Superb service along with outstanding W83627DHG components.

I**a 09/08/2020

Order delivered, ordered 2 fees spent a lot of time, approved five star

D**t 05/01/2020

The Hi3516CV300 components from Avaq are the real deal. They are original and perform exceptionally well. Avaq always delivers on their promise of providing high-quality products.