TEA1532P 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

TEA1532P

GreenChip™II SMPS control IC

Philips Electronics 

Philips Semiconductors

TEA1532

GreenChip™II SMPS control IC

Table 5: Characteristics …continued

Tamb = 25 °C; VCC = 15 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into

the IC; unless otherwise specified.

Symbol

Parameter

Conditions

Min Typ Max Unit

Oscillator

fosc

oscillator frequency (fixed

VCTRL < 1 V

frequency)

50 63 75 kHz

Duty cycle control (pin CTRL)

Vmin

minimum voltage for maximum

duty cycle

-

1.0 -

V

Vmax

maximum voltage for minimum

duty cycle

-

1.5 -

V

∆Islopecomp/∆t

slope compensation current

VCTRL(detect)

Control detect level

Protection and timing input (pin PROTECT)

−1.2 −1 −0.8 µA/µs

0.56 0.63 0.70 V

Vtrip

Vtrip(latch)

VCC(latch)(reset)

trip level

trip level for latch

voltage level on pin VCC which

resets the latch

VCC(latch) < 2.3 V

2.37 2.5

2.85 3

-

4.5

2.63 V

3.15 V

-

V

Icharge

charge current

Idischarge

discharge current

Valley switch (pin DRAIN)

VCTRL < 0.63 V

−57 −50 −43 µA

-

100 -

nA

∆V/∆tvalley

valley recognition voltage

change

−43 -

+43 V/µs

tvalley-swon

delay from valley recognition to

switch-on

[1] -

150 -

ns

Overcurrent and winding short-circuit protection (pin SENSE)

Vsense(max)

maximum source voltage for

OCP

∆V/∆t = 0.1 V/µs

0.48 0.52 0.56 V

tPD

propagation delay from

∆V/∆t = 0.5 V/µs

detecting Vsense(max) to

switch-off

-

140 185 ns

tleb

blanking time for current and

winding short-circuit protection

330 400 470 ns

Iss

soft start current

Brown-out protection (pin DEM)

Vsense < 0.5 V

45 60 75 µA

Ibrown-out

brown-out protection current

A constant I(brown-out) is drawn

from pin DEM.

[2] −68 −60 −52 µA

ton(min)(brown-out)

minimum on-time for enabling

the brown-out protection.

1.5 2

2.5 µs

Driver (pin DRIVER)

Isource

Isink

Vo(max)

source current

sink current

maximum output voltage

VCC = 9.5 V; VDRIVER = 2 V

VCC = 9.5 V;

VDRIVER = 2 V

VDRIVER = 9.5 V

VCC > 12 V

-

−170 −88 mA

-

300 -

mA

400 700 -

mA

-

11.5 12 V

9397 750 13113

Preliminary data sheet

Rev. 01 — 28 May 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

14 of 27

Share Link: