L6610D datasheet(9/29 Pages) STMICROELECTRONICS

9 / 29 page

9/29

L6610

DFIOH

DFAULT output high source

current

Overvoltage condition

VDFAULT = 1.5V

-25

-50

-95

DFVOH

DFAULT output high voltage

IDFAULT = 0mA, Tamb = 25

oC,

Overvoltage condition

2.1

2.4

2.7

VOUT

DFAULT output low voltage

IDFAULT = 1mA, no faults

0.3

0.5

0.7

DFAULT OV debounce

Minimum OV pulse before

DFAULT is latched.

468

µs

DFAULT UV debounce

Minimum UV pulse before

DFAULT is latched.

250

450

650

µs

START-UP / SHUTDOWN FUNCTIONS

DFAULT UV blanking delay

Delay from VDD(on) to DFAULT

UV active.

MFAULT UV/OC blanking delay

Delay from ACSNS high to Main

UV/OC active

PW-OK blanking delay

Main’s UV good to PW-OK high

175

250

325

(tDELAY)

PS-ON delay time

Delay from PS-ON input to

MFAULT

1.75

2.5

3.25

VIH

PS-ON Input High Voltage

IIN = -200µA

2.0

VIL

PS-ON Input Low Voltage

0.8

PS-ON Input high clamp

IPS-ON = 100 µA

Vdd

+0.7

RPS-ON

PS-ON Pull-up to VDD

VPS-ON = 0V

100

Ω

PS-ON debounce

PS-ON input minimum pulse

width for a valid logic change.

100

tSS

Error Amp. A Soft-Start period

VFB quasi-monothonic ramp from

0 to 2.5V

8ms

VSTEP

Soft Start Step

Ramp 0V to 2.5V

VOLTAGE REFERENCE (BUFFERED EXTERNAL PIN)

VREF

Output Voltage

IREF = 1 - 5 mA; CREF = 47nF

2.375

2.50

2.625

ISC

Short circuit current

VREF = 0

MAIN CONVERTER FEEDBACK (ERROR AMPLIFIER A)

VFB

Input Voltage

Tj = 25° C

2.375

2.50

2.625

Trim Range

About nominal

-5

Trim resolution

0.64

ELECTRICAL CHARACTERISTCS (continued)

(unless otherwise specified: TJ = 0 to 105°C; VDD = 5V, V3V3 = 3.3V, V5V = 5V, V-12V = -12V, V-5V = -5V,

VDmon = VDD, PS-ON = low)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

L6610D 数据表(PDF) 9 Page - STMicroelectronics

L6610D 数据表(HTML) 9 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

数据表下载