1999 Apr 20

11

Philips Semiconductors

Preliminary specification

GreenChip

™; SMPS module

TEA1566

CHARACTERISTICS

currents out of the chip are negative; all voltages are measured with respect to ground.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Input voltage and current on pin 9

minimum start drain voltage

100

−−

V

input current

normal operation

20

60

100

µA

off mode current

150

350

550

µA

Start-up current source and Vaux management on pin 2

start-up voltage

10.4

11

11.6

V

under voltage lockout

7.4

8.05

8.6

V

operation voltage hysteresis

2.60

2.95

3.30

V

start-up current

−270

−230

−190

µA

start-up current

−5.0

−3.0

−1.0

mA

IC supply current

in high frequency mode

7.0

7.7

8.5

mA

restart current

in protection mode

−600

−530

−460

µA

restart current

in stand-by mode

−2.5

−2.1

−1.7

mA

clamp voltage level

15

−

18

V

Reference input on pin 3

reference voltage

capacitor pin Iref = 50 nF

2.37

2.47

2.57

V

operating resistor range

16.9

24.9

33.2

k

Ω

Oscillator

low frequency

low power mode;

27.5

29

30.5

kHz

high frequency

normal mode;

66

70

74

kHz

maximum duty cycle

78

80

82

%

2.30

2.45

2.60

50

70

100

kHz

Demagnetization input on pin 6

demag comparator threshold

50

65

80

mV

propagation delay to output

buffer

300

500

700

ns

input bias current

negative clamp level

−0.45

−0.35

0

V

positive clamp level

2.3

2.6

2.9

V

Sample and hold input on pin 6

normal control current

lref = 100

µA

90

100

110

µA

sample threshold current

% of Idem

78

83

88

%

propagation delay of current

comparator

δVdemag/δt positive

170

450

730

ns

δVdemag/δt negative

20

90

160

ns