DNT Package 12-Pin WSON With E…

LM5160ADNTR

ActiveVoltage Regulators - DC DC Switching RegulatorsWSON

IC REG BUCK FLYBCK ADJ 12WSON

The LM5160ADNTR is a 65-V input, 2-A output synchronous step-down DC/DC converter in a 12-pin WSON package, featuring adaptive constant on-time control, peak/valley current limiting, and thermal shutdown protection.Checked against the datasheet

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Technical parameters

Key specs

Input voltage4.5 ~ 65 V

Output voltage2 ~ 60 V

Output current2 AMax

Switching frequency1 MHz

Datasheet-verified parameters

23 items

Parameter	Value and test conditions	Source
Input Voltage Range	4.5 V to 65 V
Maximum Load Current	2 A
Switching Frequency	Resistor Adjustable up to 1 MHz
Package	WSON (12), 4.00 mm × 4.00 mm
Operating Temperature	TJ = -40°C to 125°C
Input Shutdown Current	Typ 50 μA, Max 90.7 μA (VIN=24 V, VEN/UVLO=0 V)
Input Operating Current	Typ 2.3 mA, Max 2.84 mA (VIN=24 V, VFB=3 V, non-switching)
Bias Regulator Output Voltage	Min 6.47 V, Typ 7.5 V, Max 8.52 V (VIN=24 V, ICC=20 mA)
High-Side On-State Resistance	Typ 0.29 Ω (VBST-VSW=7 V, ISW=1 A)
Low-Side On-State Resistance	Typ 0.13 Ω (ISW=1 A)
High-Side Current Limit Threshold	Min 2.125 A, Typ 2.5 A, Max 2.875 A
Low-Side Sourcing Current Limit	Min 1.9 A, Typ 2.5 A, Max 3 A
Low-Side Sinking Current Limit	Max 5.4 A
FB Regulation Level	Min 1.977 V, Typ 2 V, Max 2.017 V (VIN=24 V)
FB Input Bias Current	Max 100 nA (VIN=24 V)
Junction-to-Ambient Thermal Resistance	33.4 °C/W
Junction-to-Case (Bottom) Thermal Resistance	1.9 °C/W
Junction-to-Board Thermal Resistance	11.1 °C/W
VCC Undervoltage Threshold	Typ 3.98 V, Max 4.1 V (VVCC rising)
Bootstrap Gate Drive UV	Typ 2.93 V, Max 3.6 V (VBST-VSW rising)
FPWM Input Logic Low	Max 1 V (VIN=24 V)
FPWM Input Logic High	Min 3 V (VIN=24 V)
Protection Features	Peak and valley current limit, Adjustable Input UVLO, VCC and Gate Drive UVLO, Thermal Shutdown

All parameters (21)ExpandCollapse

Power
Current - Output	2A
Voltage - Input (Max)	65V
Voltage - Input (Min)	4.5V
Voltage - Output (Max)	60V
Voltage - Output (Min/Fixed)	2V
AC and DC characteristics
Frequency - Switching	Adj to 1MHz
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-40°C~125°C(TJ)
Package	Tape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case	12-WFDFN Exposed Pad
Supplier Device Package	12-WSON (4x4)
Other
Base Product Number	LM5160
Function	Step-Down
Mfr	Texas Instruments
Number of Outputs	1
Output Configuration	Positive, Isolation Capable
Output Type	Adjustable
Product Status	Active
Series	-
Synchronous Rectifier	Yes
Topology	Buck, Flyback

Pinout and package

Pin	Name	Function	Source
1		AGND, Analog Ground, Ground connection of internal control circuits
2		PGND, Power Ground, Ground connection of the internal synchronous rectifier FET
3		VIN, Input supply connection, Operating input range is 4.5 V to 65 V
4		EN/UVLO, Precision enable, Input pin of undervoltage lockout (UVLO) comparator
5		RON, On-time programming pin, A resistor between this pin and VIN sets the switch on-time
6		SS, Soft start, Connect a capacitor from SS to AGND to control output rise time and limit overshoot
7		FPWM, Forced PWM logic input pin, Connect to AGND for DCM, Connect to VCC for CCM
8		FB, Feedback input of voltage regulation comparator
9		VCC, Internal high voltage start-up regulator bypass capacitor pin
10		BST, Bootstrap capacitor pin, Connect a capacitor between BST and SW to bias gate driver of high-side buck FET
11,12		SW, Switch node, Source connection of high-side buck FET and drain connection of low-side synchronous rectifier FET
EP		Exposed Pad, Connect to AGND and printed-circuit board ground plane to improve power dissipation

Documents

DatasheetDatasheet · 1.5 MB · 2026-11-03

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