LMR14050-Q1

SNVSAG2 – NOVEMBER 2015

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6 Specifications

6.1 Absolute Maximum Ratings

Over the recommended operating junction temperature range of -40 °C to 125 °C (unless otherwise noted)

(1)

MIN

MAX

UNIT

VIN, EN to GND

-0.3

44

BOOT to GND

-0.3

49

Input Voltages

SS to GND

-0.3

5

V

FB to GND

-0.3

7

RT/SYNC to GND

-0.3

3.6

BOOT to SW

6.5

Output Voltages

V

SW to GND

-3

44

Junction temperature

-40

150

°C

Storage temperature

-65

150

°C

(1)

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings

only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended

Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

6.2 ESD Ratings

VALUE

UNIT

±2000

Electrostatic discharge

V

Charged-device model (CDM), per AEC Q100-011

±750

(1)

AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.

6.3 Recommended Operating Conditions

Over the recommended operating junction temperature range of -40 °C to 125 °C (unless otherwise noted)

(1)

MIN

MAX

UNIT

VIN

4

40

VOUT

0.8

28

Buck Regulator

BOOT

45

V

SW

-1

40

FB

0

5

EN

0

40

Control

RT/SYNC

0

3.3

V

SS

0

3

Switching frequency range at RT mode

200

2500

Frequency

kHz

Switching frequency range at SYNC mode

250

2300

Temperature

-40

125

°C

(1)

Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits.

For guaranteed specifications, see Electrical Characteristics .

4

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