LV58063MC

No.A2120-2/5

Specifications

Absolute Maximum Ratings at Ta = 25

°C

Parameter

Conditions

Conditions

Ratings

Unit

Maximum input VIN voltage

VIN max

32

V

BOOT pin maximum voltage

VBT max

37

V

SW pin maximum voltage

VSW max

VIN max

V

BOOT pin-SW pin maximum voltage

VBS-SW max

7V

FB, EN, COMP, SS pin maximum

voltage

Vfs max

7V

Allowable power dissipation

Pd max

Mount on a specified board *

2.05

W

Junction temperature

Tj max

150

°C

Operating temperature

Topr

-20 to +80

°C

Storage temperature

Tstg

-40 to +150

°C

* Specified board: 46.4mm

× 31.8mm ×1.7mm, glass epoxy.

Note: Plan the maximum voltage while including coil and surge voltages, so that the maximum voltage is not exceeded even for an instant.

Recommended Operating Conditions at Ta = 25

°C

Parameter

Conditions

Conditions

Ratings

Unit

VIN pin voltage

VIN

8 to 28

V

BOOT pin voltage

VBT

-0.3 to 34

V

SW pin voltage

VSW

-0.4 to VIN

V

BOOT pin-SW pin voltage

VBS-SW

6.5

V

FB, EN, COMP, SS pin voltage

VFSO

6V

Electrical Characteristics at Ta = 25°C VIN = 12V, unless otherwise specified.

Ratings

Parameter

Conditions

Conditions

min

typ

max

Unit

IC current drain at standby

ICC1

EN=0V

70

μA

IC current drain in operation

ICC2

EN=open, FB=1V

5

mA

Efficiency

Effcy

VIN=12V, IOUT=1A, VO=5V

Design target: *1

90

%

Reference voltage

Vref

VIN=8V to 28V (±2%)

-2%

0.8

+2%

V

FB pin bias current

Iref

FB=0.8V application

10

100

nA

High-side ON resistance

RonH

BOOT=5V

0.13

Ω

Low-side ON resistance

RonL

7

Ω

Oscillation frequency

FOSC

296

370

444

kHz

Oscillation frequency during

short-circuit protection

FOSCS

30

38

46

kHz

EN high-threshold voltage

Venh

1.9

V

EN low-threshold voltage

Venl

0.8

V

EN pull-up corrent

Ien

EN=0V

16

μA

Maximum ON DUTY

D max

80

%

Current limit peak value 1

Icl1

VIN=12V, VOUT=5V, L=10μH

3.8

A

Thermal shutdown temperature

Ttsd

*Design guarantee *2

160

°C

Thermal shutdown temperature

hysteresis

Dtsd

*Design guarantee *2

40

°C

Soft start current

ISS

SS=0V

6

10

14

μA

*1: Reference value (not tested before shipment)

*2: Design guarantee (value guaranteed by design and not tested before shipment)