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See Technical Specifications

LM25117PSQE/NOPB +BOM

Precise current regulation for reliable voltage control

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM25117PSQE/NOPB
Datasheet:

LM25117PSQE/NOPB Datasheet (PDF)
Vin (min) (V):

4.5
Vin (max) (V):

42
Vout (min) (V):

0.8
Vout (max) (V):

41
EDA/CAD Models:

Request Free CAD Models for LM25117PSQE/NOPB

LM25117PSQE/NOPB General Description

Integrating the latest technological advancements, the LM25117PSQE/NOPB sets a new standard in synchronous buck controllers, offering unparalleled control and efficiency in step-down regulator applications. Its innovative current mode control, supplemented by an emulated current ramp, ensures optimal performance and reliability in high voltage or fluctuating input supply scenarios. The LM25117's ability to drive external power switches with adaptive dead-time control and its support for diode emulation mode for improved efficiency at light loads highlight its versatility and adaptability to diverse operating conditions. Additionally, the presence of advanced features such as analog telemetry, thermal shutdown, frequency synchronization, and adjustable current limit underscores its robustness and safety measures, making it a standout choice for demanding applications that require precision and reliability

Key Features

Dual-Stage Current Limiting
Low-Dropout Voltage Regulator
Synchronous Switch Mode DC/DC Converter

Pulse Width Modulation Control
Variable Frequency Control
Fault-Tolerant Operation

Specifications

Vin (min) (V)	4.5	Vin (max) (V)	42
Vout (min) (V)	0.8	Vout (max) (V)	41
Iout (max) (A)	20	Iq (typ) (mA)	4.8
Switching frequency (min) (kHz)	50	Switching frequency (max) (kHz)	750
Features	Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Synchronous Rectification, Tracking, UVLO adjustable	Operating temperature range (°C)	-40 to 125
Regulated outputs (#)	1	Number of phases	1
Rating	Catalog	Control mode	current mode
Type	Controller	feature-topology	Step Down
feature-number-of-outputs	1	feature-output-voltage-v	0.8 to 41
feature-minimum-output-current-a		feature-maximum-output-current-a	20
feature-minimum-input-voltage-v	4.5	feature-maximum-switching-frequency-khz	750
feature-maximum-input-voltage-v	42	feature-operating-supply-voltage-v	4.5 to 42
feature-maximum-supply-current-ma	5.8(Typ)	feature-maximum-power-dissipation-mw
feature-minimum-switching-frequency-khz	50	feature-synchronous-rectifier	Yes
feature-synchronous-clock	Yes	feature-packaging	Tape and Reel
feature-rad-hard		feature-pin-count	24
feature-cecc-qualified	No	feature-esd-protection	Yes
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	Yes	feature-svhc-exceeds-threshold	No
Package/Case	WQFN-24