TDA16833 Просмотр технического описания (PDF) - Infineon Technologies

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производитель

TDA16833

Off-line SMPS Controller with 600 V Sense CoolMOS on Board

Infineon Technologies 

TDA16831-4

PWM Section

Parameter

Symbol Limit Values Unit Test Conditions

min. typ. max.

Duty Cycle

D

Trans Impedance ∆VFB / ∆IDrain 2)

OP Gain Bandwidth 1)

OP Phase Margin 1)

ZPWM

ZPWM

ZPWM

Bw

Phim

VFB Operating Range min. Level VFBmin

VFB Operating Range max. Level VFBmax

Feedback Resistance

RFB

Temperature Coefficient RFB

RFBTK

Internal Reference Voltage

Vrefint

Temperature Coefficient Vrefint Vreftk

0

4

2

1.3

2

70

0.45

3.5

3.0 3.7

600

5.3 5.5

0.2

0.5

V/A TDA16831/G

V/A TDA16832/G

V/A TDA16833/G/4

MHz

degree

0.85

4.8

4.9

V

V

KΩ

ppm/°C

for D = 0

Ics = 0.95 Icsth

5.7 V

mV/°C

1) Guaranteed by design

2) For discontinuous mode the VFB is described by:

VFB

=

ZPWM

×

I---P---K-

ton

×

æ

ç

ç

to

n

è

–

T1

+

T1

×

e ---T-t-o--1--n- ÷÷ö

+

0.6

×

æ

çç 1

è

–

e---Tt--o--2--n-÷÷ö

T1 = 850 ns; T2 = 200 ns

Data Sheet

12

1999-12-10

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