L6564T datasheet(9/33 Pages) STMICROELECTRONICS

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L6564T

Electrical characteristics

Doc ID 022671 Rev 1

9/33

Electrical characteristics

TJ = -40 to 125 °C, VCC = 12 V, CO = 1 nF between pin GD and GND, CFF = 1 µF and

RFF = 1 MΩ between pin VFF and GND; unless otherwise specified.

Table 4.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ. Max. Unit

Supply voltage

Vcc

Operating range

After turn-on

10.3

22.5

VccOn

Turn-on threshold

(1)

13.2

VccOff

Turn-off threshold

(1)

8.7

9.5

10.5

Vccrestart Vcc for resuming from latch

OVP latched

567V

Hys

Hysteresis

2.3

2.7

Zener voltage

Icc = 20 mA

22.5

Supply current

Istart-up

Startup current

Before turn-on, Vcc=10 V

180

µA

Quiescent current

After turn-on, VMULT = 1 V

5.5

ICC

Operating supply current

@ 70 kHz

6.0

Iqdis

Idle state quiescent current

VPFC_OK> VPFC_OK_S AND VINV <

VFFD

180

320

µA

VPFC_OK<VPFC_OK_D

1.5

2.5

µA

Quiescent current

VPFC_OK>VPFC_OK_S OR

VCOMP<2.3V

2.2

3.2

µA

Multiplier input

IMULT

Input bias current

VMULT = 0 to 3 V

-0.2

-1

µA

VMULT

Linear operation range

0 to 3

VCLAMP

Internal clamp level

IMULT = 1 mA

9.5

∆Vcs

∆V

MULT

Output max. slope

VMULT = 0 to 0.4 V, VVFF = 1 V

VCOMP = upper clamp

1.33

1.66

V/V

Gain (2)

VMULT = 1 V, VCOMP= 4 V

0.375 0.45 0.525

Error amplifier

VINV

Voltage feedback input threshold

TJ = 25 °C

2.475

2.5

2.525

10.3 V < Vcc < 22.5 V (3)

2.45

2.55

Line regulation

Vcc = 10.3 V to 22.5 V

IINV

Input bias current

VINV = 0 to 4 V

-0.2

-1

µA

VINVCLAMP Internal clamp level

IINV = 1 mA

Voltage gain

Open loop

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