TEA1533AT 查看數據表（PDF） - Philips Electronics

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TEA1533AT

GreenChip™II SMPS control IC

Philips Electronics 

Philips Semiconductors

GreenChipTMII SMPS control IC

Product specification

TEA1533T; TEA1533AT

CHARACTERISTICS

Tamb = 25 °C; VCC = 15 V; all voltages are measured with respect to ground; currents are positive when flowing into

the IC; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Start-up current source (pin DRAIN)

IDRAIN

BVDSS

M-level

supply current drawn from

pin DRAIN

breakdown voltage

mains-dependent operation

enabling level

VCC = 0 V; VDRAIN > 100 V 1.0 1.2

with auxiliary supply;

VDRAIN > 100 V

−

100

650 −

60

−

Supply voltage management (pin VCC)

VCC(start)

VCC(UVLO)

VCC(hys)

ICC(h)

ICC(l)

ICC(restart)

ICC(oper)

start-up voltage on VCC

under voltage lock-out on VCC

hysteresis voltage on VCC

pin VCC charging current, high

pin VCC charging current, low

pin VCC restart current

supply current under normal

operation

10.3

8.1

VCC(start) − VCC(UVLO)

VDRAIN > 100 V; VCC < 3V

VDRAIN > 100 V;

3 V < VCC < VCC(UVLO)

VDRAIN > 100 V;

VCC(UVLO) < VCC < VCC(start)

no load on pin DRIVER

2.0

−1.2

−1.2

−650

1.1

11

8.7

2.3

−1

−0.75

−550

1.3

ICC(burstmode) supply current while not switching

−

0.85

Demagnetization management (pin DEM)

Vth(DEM)

demagnetization comparator

threshold voltage on pin DEM

Iprot(DEM)

protection current on pin DEM

Vclamp(DEM)(neg) negative clamp voltage on

pin DEM

VDEM = 50 mV

IDEM = −150 µA

50 100

−50(1) −

−0.5 −0.25

Vclamp(DEM)(pos) positive clamp voltage on

pin DEM

IDEM = 250 µA

0.5 0.7

tsuppr

suppression of transformer

ringing at start of secondary

stroke

1.1 1.5

1.4 mA

300 µA

−

V

100 V

11.7 V

9.3 V

2.6 V

−0.8 mA

−0.45 mA

−450 µA

1.5 mA

−

mA

150 mV

−10 nA

−0.05 V

0.9 V

1.9 µs

Pulse width modulator

ton(min)

ton(max)

minimum on-time

maximum on-time

Oscillator

fosc(l)

fosc(h)

Vvco(start)

oscillator low fixed frequency

oscillator high fixed frequency

peak voltage on pin Isense, where

frequency reduction starts

latched

VCTRL > 1.5 V

VCTRL < 1 V

see Figs 6 and 7

−

tleb

40 50

20 25

145 175

−

VCO1

−

ns

60

µs

30

kHz

205 kHz

−

mV

2002 Aug 23

13

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