LMZ10503EXT datasheet(6/36 Pages) TI

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LMZ10503EXT

SNVS668H – JUNE 2010 – REVISED SEPTEMBER 2015

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Electrical Characteristics (continued)

Specifications are for TJ = 25°C unless otherwise specified. Minimum and maximum limits are specified 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. VIN = VEN = 3.3 V, unless otherwise indicated in the conditions column.

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX(1)

UNIT

THERMAL CONTROL

TJ for Thermal

TSD

145

°C

Shutdown

Hysteresis for Thermal

TSD-HYS

°C

Shutdown

PERFORMANCE PARAMETERS

Refer to Table 1

mVpk-pk

ΔVOUT

Output Voltage Ripple

VOUT = 2.5 V

Bandwidth Limit = 2 MHz

ΔVOUT

Output Voltage Ripple

Refer to Table 5 Bandwidth Limit = 20 MHz

mVpk-pk

ΔVFB /

Feedback Voltage Line

ΔVIN = 2.95 V to 5.5 V

0.04%

VFB

Regulation

IOUT = 0 A

ΔVOUT /

Output Voltage Line

ΔVIN = 2.95 V to 5.5 V

0.04%

VOUT

Regulation

IOUT = 0 A, VOUT = 2.5 V

ΔVFB /

Feedback Voltage Load

IOUT = 0 A to 3 A

0.25%

VFB

Regulation

ΔVOUT /

Output Voltage Load

IOUT = 0 A to 3 A

0.25%

VOUT

Regulation

VOUT = 2.5 V

EFFICIENCY

VOUT = 3.3 V

96.3%

VOUT = 2.5 V

94.9%

VOUT = 1.8 V

93.3%

Peak Efficiency (1A)

VIN = 5 V

VOUT = 1.5 V

92.2%

VOUT = 1.2 V

90.5%

VOUT = 0.8 V

86.9%

VOUT = 2.5 V

95.7%

VOUT = 1.8 V

94.0%

Peak Efficiency (1A)

VOUT = 1.5 V

92.9%

VIN = 3.3 V

VOUT = 1.2 V

91.3%

VOUT = 0.8 V

87.9%

VOUT = 3.3 V

94.8%

VOUT = 2.5 V

93%

VOUT = 1.8 V

90.8%

Full Load Efficiency

(3A) VIN = 5 V

VOUT = 1.5 V

89.3%

VOUT = 1.2 V

87.1%

VOUT = 0.8 V

82.3%

VOUT = 2.5 V

92.4%

VOUT = 1.8 V

89.8%

Full Load Efficiency

VOUT = 1.5 V

88.2%

(3A) VIN = 3.3 V

VOUT = 1.2 V

85.9%

VOUT = 0.8 V

80.8%

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