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LM53600-Q1, LM53601-Q1

SNAS660B – JUNE 2015 – REVISED FEBRUARY 2016

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(1)

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

report (SPRA953).

7.4 Thermal Information

LM53600-Q1,

LM53601-Q1

UNIT

DSX (WSON)

10 PINS

Junction -to-ambient thermal resistance

46.2

°C/W

Junction -to-case (top) thermal resistance

31.5

°C/W

Junction -to-board thermal resistance

20.9

°C/W

Junction- to-top characterization parameter

0.3

°C/W

Junction-to-board characterization parameter

21.0

°C/W

Junction-to-case (bottom) thermal resistance

4.1

°C/W

7.5 Electrical Characteristics

Limits apply over the recommended operating junction temperature range of –40°C to 150°C, unless otherwise noted.

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Initial output voltage accuracy

Loop

–1%

1%

–1.5%

1.5%

Operating quiescent current;

6.5

µA

16

Bias current into BIAS pin for

adjustable versions and FB pin

for fixed versions

V, Mode = 0 V

46

80

Shutdown quiescent current;

1.8

µA

3

Minimum input voltage to

operate

Rising

3.2

3.6

3.75

V

Minimum input voltage

hysteresis

Hysteresis

0.2

0.3

0.35

V

RESET upper threshold

voltage

Rising, % of Vout

105%

106.5%

110%

RESET lower threshold

voltage

Falling, % Vout

92%

94%

97%

Magnitude of RESET lower

threshold difference from

steady state output voltage

Steady state output voltage and

RESET threshold read at the same

3.9%

RESET hysteresis as a

percent of output voltage set

point

1%

Minimum input voltage for

proper RESET function

50 µA pull-up to RESET pin, EN = 0

1.5

V

Low level RESET function

output voltage

50 µA pull-up to RESET pin, Vin =

0.4

V

0.5mA pull-up to RESET pin, Vin =

13.5 V, EN = 0 V

0.4

1mA pull-up to RESET pin, Vin =

13.5 V, EN = 3.3 V

0.4