L6562ADTR datasheet(7/26 Pages) STMICROELECTRONICS

7 / 26 page

L6562A

Electrical characteristics

7/26

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

VCOMP

Upper clamp voltage

ISOURCE = 0.5mA

5.3

5.7

Lower clamp voltage

ISINK = 0.5mA

(1)

2.12.252.4

VINVdis

Disable threshold

150

200

250

VINVen

Restart threshold

380

450

520

Output overvoltage

IOVP

Dynamic OVP triggering

current

23.5

30.5

µA

Hys

Hysteresis

(3)

µA

Static OVP threshold

(1)

2.12.252.4

Current sense comparator

ICS

Input bias current

VCS = 0

-1

µA

tLEB

Leading edge blanking

100

200

300

td(H-L)

Delay to output

175

VCS

Current sense clamp

VCOMP = Upper clamp, Vmult = 1.5V

1.0

1.08

1.16

Vcsoffset

Current sense offset

VMULT = 0

VMULT = 2.5V

Zero current detector

VZCDH

Upper clamp voltage

IZCD = 2.5mA

5.0

5.7

6.5

VZCDL

Lower clamp voltage

IZCD = - 2.5mA

-0.3

0.3

VZCDA

Arming voltage

(positive-going edge)

(3)

1.4

VZCDT

Triggering voltage

(negative-going edge)

(3)

0.7

IZCDb

Input bias current

VZCD = 1 to 4.5V

2µA

IZCDsrc

Source current capability

-2.5

IZCDsnk

Sink current capability

2.5

Starter

tSTART

Start timer period

190

300

µs

Table 5. Electrical characteristics (continued)

( -25°C < TJ < +125°C, VCC = 12V, Co = 1nF; unless otherwise specified)

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