ELM613DA datasheet(3/11 Pages) ELM

3 / 11 page

Rev.1.3

11 -

Parameter

Symbol

Test condition

Min.

Typ.

Max. Unit

Supply voltage

Vin

4.75

20.00

Output voltage

Vout

0.923

18.000

Output current

Iout

2.0

Shutdown current

Ven=0V

1.0

3.0

µA

Supply current

Iss

Ven=2.0V, Vfb=1.0V

1.3

1.5

Feedback voltage

Vfb

4.75V ≤ Vin ≤ 20V

0.900 0.923 0.946

Feedback over-voltage threshold

Vfbo-th

1.1

Error amplifier voltage gain

Aea

400

V/V

Error amplifier transconductance

Gea

∆Ic = ±10µA

800

µA/V

High-side switch-on resistance

Rds(on)1

mΩ

Low-side switch-on resistance

Rds(on)2

mΩ

High-side switch leakage current

Ileak

Ven = 0V, Vsw = 0V

µA

Upper switch current limit

Ilim_usw Minimum duty cycle

2.4

4.0

Lower switch current limit

Ilim_lsw From drain to source

1.1

COMP to current sense transconductance

Gcs

3.5

A/V

Oscillation frequency

Fosc1

500

550

600

kHz

Short circuit oscillation frequency

Fosc2 Vfb = 0V

120

170

220

kHz

Maximum duty cycle

Dmax Vfb = 0.78mV

Minimum on time

140

EN shutdown threshold voltage

Vens_th Ven falling

1.39

EN shutdown threshold

voltage hysteresis

Vens_hys

210

EN lockout threshold voltage

Venl_th

1.64

EN lockout hysteresis

Venl_hys

210

Input under voltage lockout threshold

Vth

Vin rising

4.10

Input under voltage lockout threshold

hysteresis

Vth_hys

210

Soft-start current

Isoft

Vss = 0V

µA

Soft-start period

Psoft

Vss = 0.1µF

Thermal shutdown

Tsd

160

°C

■Electrical characteristics

Vin=+12V, Top=+25°C, unless otherwise noted.

ELM613DA 2A, 20V, 550kHz, synchronous step-down DC/DC converter

ELM613DA Datasheet(PDF) 3 Page - ELM Electronics

ELM613DA Datasheet(HTML) 3 Page - ELM Electronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11

Datasheet Download

Link URL