TEA1506T View Datasheet(PDF) - Philips Electronics

Part Name

Description

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TEA1506T

GreenChip™II SMPS control IC

Philips Electronics 

Philips Semiconductors

GreenChip™II SMPS control IC

Product specification

TEA1506P; TEA1506AP;

TEA1506T; TEA1506AT

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

supply current drawn from

pin DRAIN

breakdown voltage

VCC < Vstart

VCC > Vstart

−

500

−

50

650 −

Supply voltage management (pin VCC)

VCC(start)

VCC(UVLO)

VCC(hys)

ICC(oper)

ICC(start)

start-up voltage on VCC

10.3 11

undervoltage lock-out on VCC

8.1 8.7

hysteresis voltage on VCC

VCC(start) − VCC(UVLO)

2.0

2.3

supply current under normal

no load on pin DRIVER 1.1 1.3

operation

supply current in start-up and safe VCC < Vstart

restart mode

0(1)

−

ICC(protection)

supply current while not switching VCC > VUVLO

−

0.85

Demagnetization management (pin DEM)

Vth(DEM)

demagnetization comparator

threshold voltage on pin DEM

Iprot(DEM)

Vclamp(DEM)(neg)

Vclamp(DEM)(pos)

tsuppr

protection current on pin DEM

negative clamp voltage on pin DEM

positive clamp voltage on pin DEM

suppression of transformer ringing

at start of secondary stroke

VDEM = 50 mV

IDEM = −150 µA

IDEM = 250 µA

50 100

−50(2)

−0.5

0.5

1.1

−

−0.25

0.7

1.5

−

µA

−

µA

−

V

11.7 V

9.3 V

2.6 V

1.5 mA

70

µA

−

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

Vvco(nom)

peak voltage on pin Isense; where

the frequency is equal to fosc(l)

Duty cycle control (pin CTRL)

VCTRL(min)

minimum voltage on pin CTRL for

maximum duty cycle

VCTRL(max)

maximum voltage on pin CTRL for

minimum duty cycle

Iprot(CTRL)

protection current on pin CTRL

latched

VCTRL > 1.5 V

VCTRL < 1 V

see Figs 7 and 8

VCTRL = 1.5 V

−

tleb

40 50

−

ns

60

µs

20 25

145 175

−

VCO1

30

kHz

205 kHz

−

mV

−

VCO1 − 50 −

mV

−

1.0

−

1.5

−1(2) −0.8

−

V

−

V

−0.5 µA

2003 Sep 09

13

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