L6562ADTR datasheet(6/26 Pages) STMICROELECTRONICS

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Electrical characteristics

L6562A

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Electrical characteristics

Table 5. Electrical characteristics

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

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Supply voltage

VCC

Operating range

After turn-on

10.5

22.5

VccOn

Turn-on threshold

(1)

11.7

12.5

13.3

VccOff

Turn-off threshold

(1)

9.5

10.5

Hys

Hysteresis

2.2

2.8

Zener Voltage

ICC = 20mA

22.5

Supply current

Istart-up

Start-up current

Before turn-on, VCC = 11V

µA

Quiescent current

After turn-on

2.5

3.75

ICC

Operating supply current @ 70kHz

3.5

Quiescent current

During OVP (either static or dynamic)

or VINV ≤150mV

1.7

2.2

Multiplier input

IMULT

Input bias current

VMULT = 0 to 4V

-1

µA

VMULT

Linear operation range

0 to 3

Output max. slope

VMULT = 0 to 1V,

VCOMP = Upper clamp

11.1

V/V

Gain (2)

VMULT = 1V, VCOMP= 4V,

0.32

0.38

0.44

Error amplifier

VINV

Voltage feedback input

threshold

TJ = 25 °C

2.475

2.5

2.525

10.5V < VCC < 22.5V

(1)

2.455

2.545

Line regulation

VCC = 10.5V to 22.5V

IINV

Input bias current

VINV = 0 to 3V

-1

µA

Voltage gain

Open loop

Gain-bandwidth product

MHz

ICOMP

Source current

VCOMP = 4V, VINV = 2.4V

-2

-3.5

-5

Sink current

VCOMP = 4V, VINV = 2.6V

2.5

4.5

∆

MULT

∆

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