6

LM60440, LM60430

SNVSBN5A – FEBRUARY 2020 – REVISED JUNE 2020

www.ti.com

Product Folder Links: LM60440 LM60430

Submit Documentation Feedback

Copyright © 2020, Texas Instruments Incorporated

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

(2)

values were calculated in accordance with JESD 51-7, and simulated on a 4-layer JEDEC board. They do not represent the

performance obtained in an actual application.

7.4 Thermal Information

purposes. These values were calculated in accordance with JESD 51-7, and simulated on a 4-layer JEDEC board. They do

not represent the performance obtained in an actual application.

LM60440/LM60430

UNIT

WQFN

13 PINS

Junction-to-ambient thermal resistance

°C/W

Junction-to-case (top) thermal resistance

37.8

°C/W

Junction-to-board thermal resistance

15.3

°C/W

Junction-to-top characterization parameter

0.8

°C/W

Junction-to-board characterization parameter

15.2

°C/W

Junction-to-case (bottom) thermal resistance

24.2

°C/W

(1)

This is the current used by the device open loop. It does not represent the total input current of the system when in regulation.

(2)

(3)

The current limit values in this table are tested, open loop, in production. They may differ from those found in a closed loop application.

7.5 Electrical Characteristics

maximum limits are specified through test, design or statistical correlation. Typical values represent the most likely parametric

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGE

Minimum operating input

voltage

3.8

V

Non-switching input current;

24

34

µA

Shutdown quiescent current;

measured at VIN pin

EN = 0

5

10

µA

ENABLE

EN input level required to turn

on internal LDO

Rising threshold

1

V

EN input level required to turn

off internal LDO

Falling threshold

0.3

V

EN input level required to

start switching

Rising threshold

1.2

1.231

1.26

V

100

mV

Enable input leakage current

0.2

nA

INTERNAL SUPPLIES

VCC

Internal LDO output voltage

appearing at the VCC pin

6 V

4.75

5

5.25

V

Bootstrap voltage

undervoltage lock-out

2.2

V

VOLTAGE REFERENCE (FB PIN)

Feedback voltage

0.985

1

1.015

V

Current into FB pin

FB = 1 V

0.2

50

nA

High-side current limit

LM60440

4.7

5.5

6

A

High-side current limit

LM60430

3.85

4.5

5.05

A

Low-side current limit

LM60440

4

4.5

4.9

A

Low-side current limit

LM60430

2.9

3.5

4.1

A