TEA1552 データシートの表示（PDF） - Philips Electronics

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TEA1552

GreenChip™II SMPS control IC

Philips Electronics 

Philips Semiconductors

GreenChip™II SMPS control IC

Product specification

TEA1552

QUALITY SPECIFICATION

In accordance with ‘SNW-FQ-611D’.

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

supply current from pin DRAIN

BVDSS

M-level

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 −

1.4 mA

300 µA

−

V

100 V

Supply voltage management (pin VCC)

VCC(start)

VCC(UVLO)

VCC(hys)

ICC(h)

ICC(l)

start-up voltage on VCC

undervoltage lock-out on VCC

hysteresis voltage on VCC

pin VCC charging current (high)

pin VCC charging current (low)

ICC(restart)

pin VCC restart current

ICC(oper)

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

11.7 V

9.3 V

2.6 V

−0.8 mA

−0.45 mA

−450 µA

1.5 mA

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

Vclamp(DEM)(pos) positive clamp voltage on pin DEM

tsuppr

suppression of transformer ringing

at start of secondary stroke

VDEM = 50 mV

IDEM = −150 µA

IDEM = 250 µA

50 100

−50(1) −

−0.5 −0.25

0.5 0.7

1.1 1.5

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

latched

−

tleb

40 50

−

ns

60 µs

fosc(l)

fosc(h)

Vvco(start)

oscillator low fixed frequency

oscillator high fixed frequency

peak voltage on pin Isense, where

frequency reduction starts

VCTRL > 1.5 V

VCTRL < 1 V

see Figs 6 and 7

20 25

100 125

−

VCO1

30 kHz

150 kHz

−

mV

2002 Aug 27

12

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