Specification	LM51521QRGRRQ1

Clock Sync	True
Control Features	Ramp, Frequency Control, Dead Time Control, Tracking, Enable, Soft Start
Duty Cycle (Max)	94 %, 80 %
Frequency - Switching [Max]	2.2 MHz
Frequency - Switching [Min]	100 kHz
Function	Step-Up
Grade	Automotive
Mounting Type	Wettable Flank, Surface Mount
Number of Outputs	1
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	20-VFQFN Exposed Pad
Qualification	AEC-Q100
Synchronous Rectifier	True
Topology	Boost
Voltage - Supply (Vcc/Vdd) [Max]	42 V
Voltage - Supply (Vcc/Vdd) [Min]	0.8 V

LM51521-Q1 Series

Automotive 2.2-MHz wide VINlow IQ synchronous boost controller with disabled bypass mode

Part	Package / Case	Output Phases	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Grade	Frequency - Switching [Min]	Frequency - Switching [Max]	Clock Sync	Synchronous Rectifier	Number of Outputs	Duty Cycle (Max)	Function	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Control Features	Output Configuration	Qualification	Mounting Type	Output Type
Texas Instruments LM51521QRGRRQ1	20-VFQFN Exposed Pad	1	0.8 V	42 V	Automotive	100 kHz	2.2 MHz			1	80 % 94 %	Step-Up	150 °C	-40 °C	Boost	Dead Time Control Enable Frequency Control Ramp Soft Start Tracking	Positive	AEC-Q100	Surface Mount Wettable Flank	Transistor Driver

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

The LM5152x-Q1 (LM5152-Q1 and LM51521-Q1) device is a wide input range synchronous boost controller that employs peak current mode control.