DAP005 datasheet(7/39 Pages) STMICROELECTRONICS

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DAP005

Electrical characteristics

7/39

Electrical characteristics

Table 5. Electrical characteristics

( -25°C < TJ < +125°C, VCC = 12V, Co = 1nF between pin GD and GND, CFF =1µF between pin VFF

and GND; unless otherwise specified)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Supply voltage

Vcc

Operating range

After turn-on

10.3

VccOn

Turn-on threshold

(1)

VccOff

Turn-off threshold

(1)

8.7

9.5

10.3

Hys

Hysteresis

2.3

2.7

Zener Voltage

Icc = 20 mA

Supply current

Istart-up

Start-up current

Before turn-on, Vcc=10V

µA

Quiescent current

After turn-on

4.7

ICC

Operating supply current @ 70kHz

3.8

5.2

Iqdis

Idle state quiescent

Current

Latched by PFC_OK>Vthl or

Vcs>VCSdis

180

250

µA

Disabled by PFC_OK<Vth or

RUN<VDIS

1.5

2.2

Quiescent current

During static/dynamic OVP

2.9

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

99.5

Output max. slope

VMULT=0 to 0.5V, VFF=0.8V

VCOMP = Upper clamp

2.2

2.34

V/V

Gain (3)

VMULT = 1 V, VCOMP= 4 V,

VVFF = VMULT

0.375

0.45

0.525

Error amplifier

VINV

Voltage feedback input

threshold

Tj = 25 °C

2.465

2.5

2.535

10.3 V < Vcc < 22 V (2)

2.44

2.56

Line regulation

Vcc = 10.3 V to 22V

IINV

Input bias current

TBO open, VINV = 0 to 4 V

-0.2

-1

µA

∆

MULT

∆

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