ICE3BR4765JZ Ver la hoja de datos (PDF) - Infineon Technologies

Número de pieza

componentes Descripción

Lista de partido

ICE3BR4765JZ

Off-Line SMPS Current Mode Controller with integrated 650V CoolMOS® and Startup cell (frequency jitter Mode) in DIP-7

Infineon Technologies 

ICE3BR4765JZ

Electrical Characteristics

4.3.5

Control Unit

Parameter

Symbol

Limit Values

min. typ.

max.

Clamped VBA voltage during

Normal Operating Mode

VBAclmp

0.85

0.9

0.95

Blanking time voltage limit for

Comparator C3

VBKC3

3.85

4.00

4.15

Over Load & Open Loop Detection VFBC4

Limit for Comparator C4

3.85 4.00 4.15

Active Burst Mode Level for

Comparator C5

VFBC5

1.25 1.35 1.45

Active Burst Mode Level for

Comparator C6a

VFBC6a

3.35

3.50

3.65

Active Burst Mode Level for

Comparator C6b

VFBC6b

2.88

3.00

3.12

Overvoltage Detection Limit for

Comparator C1

VVCCOVP1 19.5

20.5

21.5

Unit

V

V

V

V

V

V

V

Test Condition

VFB = 4V

After Active Burst

Mode is entered

After Active Burst

Mode is entered

VFB = 5V

Overvoltage Detection Limit for VVCCOVP2 25.0

25.5

26.5

V

Comparator C2

Auto-restart Enable level at BA pin VAE

0.25 0.33 0.4

V

>30ms

Charging current at BA pin

Thermal Shutdown1)

IBK

10.0 13.0 16.9 mA

Charge starts after the

built-in 20ms blanking

time elapsed

TjSD

130

140

150

°C

Controller

Built-in Blanking Time for

tBK

-

Overload Protection or enter

Active Burst Mode

Inhibit Time for Auto-Restart

tIHAE

-

enable function during start up

Spike Blanking Time before Auto- tSpike

-

Restart Protection

20

-

1.0

-

30

-

ms

without external

capacitor at BA pin

ms

Count when VCC>18V

ms

1) The parameter is not subjected to production test - verified by design/characterization. The thermal shutdown

temperature refers to the junction temperature of the controller.

Note: The trend of all the voltage levels in the Control Unit is the same regarding the deviation except VVCCOVP.

Version 2.1

22

30 Aug 2011

Share Link: