LMZ14203H datasheet(5/31 Pages) TI

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LMZ14203H

www.ti.com

SNVS692G – JANUARY 2011 – REVISED OCTOBER 2015

Electrical Characteristics (continued)

Minimum and Maximum limits are ensured through test, design or statistical correlation. Typical values represent the most

likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following

conditions apply: VIN = 24 V, VOUT = 12 V, RON = 249 kΩ

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX(1)

UNIT

REGULATION AND OVERVOLTAGE COMPARATOR

VIN = 24 V, VOUT = 12 V

VSS >+ 0.8 V

0.782

0.803

0.822

TJ = –40°C to 125°C

IOUT = 10 mA to 3 A

VFB

In-regulation feedback voltage

VIN = 24 V, VOUT = 12 V

VSS >+ 0.8 V

0.786

0.803

0.818

TJ = 25°C

IOUT = 10 mA to 3 A

VIN = 36 V, VOUT = 24 V

VSS >+ 0.8 V

0.780

0.803

0.826

TJ = –40°C to 125°C

IOUT = 10 mA to 3 A

VFB

In-regulation feedback voltage

VIN = 36 V, VOUT = 24 V

VSS >+ 0.8 V

0.787

0.803

0.819

TJ = 25°C

IOUT = 10 mA to 3 A

Feedback overvoltage protection

VFB-OVP

0.92

threshold

IFB

Feedback input bias current

Nonswitching Input Current

VFB= 0.86 V

ISD

Shutdown quiescent current

VEN= 0 V

μA

THERMAL CHARACTERISTICS

TSD

Thermal shutdown (rising)

165

°C

TSD-HYST

Thermal shutdown hysteresis

°C

PERFORMANCE PARAMETERS

ΔVOUT

Output Voltage Ripple

VOUT = 5 V, CO = 100-µF 6.3-V X7R

mV PP

ΔVOUT/ΔVIN

Line Regulation

VIN = 16 V to 42 V, IOUT= 3 A

0.01%

ΔVOUT/ΔIOUT

Load Regulation

VIN = 24 V, IOUT = 0 A to 3 A

1.5

mV/A

Efficiency

VIN = 24 V, VOUT = 12 V, IOUT = 1 A

94%

Efficiency

VIN = 24 V, VO = 12 V, IO = 3 A

93%

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