TEA1530AT 데이터 시트보기 (PDF) - Philips Electronics
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TEA1530AT Datasheet PDF : 22 Pages
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Philips Semiconductors
TEA1530AT
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
Ioper
supply current under normal no load on pin DRIVER
operation
1.1 1.3 1.5 mA
Pulse width modulator
ton(min)
ton(max)
δmax
Oscillator
minimum on-time
maximum on-time
maximum duty-cycle
-
tleb
-
ns
20
25
30
µs
67
70
73
%
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 VCC(latch) < 2.3 V
resets the latch
[1] 2.37 2.5
2.85 3
-
4.5
2.63 V
3.15 V
-
V
Icharge
charge current
VCTRL < 0.63 V
Idischarge
discharge current
Overcurrent and winding short-circuit protection (pin SENSE)
−57 −50 −43 µA
-
100 -
nA
Vsense(max)
maximum source voltage for ∆V/∆t = 0.1 V/µs
OCP
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
Driver (pin DRIVER)
Vsense < 0.5 V
45
60
75
µA
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
-
−150 −88 mA
-
250 -
mA
300 500 -
mA
-
11.5 12
V
Objective data sheet
Rev. 01 — 18 May 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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