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See Technical Specifications

LM25117PMH/NOPB +BOM

4.5-42V Wide Vin, Current Mode Synchronous Buck Controller with Tracking

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM25117PMH/NOPB
Datasheet:

LM25117PMH/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 LM25117PMH/NOPB

LM25117PMH/NOPB Information

General Description

The LM25117PMH/NOPB also features analog telemetry for average output current information, along with thermal shutdown, frequency synchronization, hiccup mode current limit, and adjustable line undervoltage lockout

Key Features

LM25117-Q1 is Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
Emulated Peak Current Mode Control
Wide Operating Range from 4.5 V to 42 V
Robust 3.3 A Peak Gate Drives
Adaptive Dead-time Output Driver Control
Free-run or Synchronizable Clock up to 750 kHz
Optional Diode Emulation Mode
Programmable Output from 0.8 V
Precision 1.5% Voltage Reference
Analog Current Monitor
Programmable Current Limit
Hiccup Mode Over Current Protection
Programmable Soft-start and Tracking
Programmable Line Undervoltage Lockout
Programmable Switch-over to External Bias Supply
Thermal Shutdown

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	Tube
feature-rad-hard		feature-pin-count	20
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No
Package/Case	HTSSOP-20