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LMR33630BQRNXRQ1

Mfr. #:
LMR33630BQRNXRQ1
Mfr.:
Texas Instruments
Product Type:
Synchronous Buck Converter
Series:
LMR33630-Q1
Package / Case:
VQFN-HR-12
Description:
Synchronous Buck Converter

Product Attributes

AttributeValue
TopologySynchronous buck; integrated high-side and low-side MOSFETs and compensation
Input Voltage3.8 to 36 V
Output VoltageAdjustable, 1 to 24 V; input headroom and duty-cycle limits apply
Output Current3 A, subject to thermal limits
Switching Frequency1.4 MHz fixed (B option)
EfficiencyTypical efficiency curves depend on VIN/VOUT/load; approximately 90% for VIN = 12 V, VOUT = 5 V at 1 A in the 1.4-MHz curves
Quiescent Current25 uA typical operating; 5 uA typical shutdown
ProtectionUVLO, cycle-by-cycle current limit, hiccup short-circuit protection and thermal shutdown
Operating Temperature-40 to +125 °C recommended operating range; AEC-Q100 Grade 1
Package DetailsVQFN-HR, RNX, 12 terminals; 3 x 2 mm body; RNX drawings B/C have 0.9/1.0 mm maximum heights respectively; mixed terminal spacing per drawing

Product Description

LMR33630BQRNXRQ1 is a 3 A synchronous buck converter for 3.8 to 36 V inputs, with an adjustable 1 to 24 V output subject to input headroom. The B frequency option operates at 1.4 MHz. Integrated synchronous switches and compensation reduce the external control circuitry, while the inductor and capacitors remain part of the application design.

A power-good output and precision enable support supply sequencing. The 3 x 2 mm HotRod package uses parallel input current paths to reduce switching-loop parasitics; its small footprint still requires a deliberate thermal and bypass layout.

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