NXP Semiconductors
TEA1530T/AT/AP
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
Vhys
Ich(high)
Ich(low)
Irestart
ICC(oper)
hysteresis voltage
high charging current
low charging current
restart current
operating supply current
Vstartup − Vth(UVLO)
VDRAIN > 100 V; VCC < 3 V
VDRAIN > 100 V;
3 V < VCC < Vth(UVLO)
VDRAIN > 100 V;
Vth(UVLO) < VCC < Vstartup
no load on pin DRIVER
2.0 2.3 2.6 V
−1.2 −1
−0.8 mA
−1.2 −0.75 −0.45 mA
−650 −550 −450 µA
1.1 1.3 1.5 mA
Pulse width modulator
ton(min)
ton(max)
δmax
minimum on-time
maximum on-time
maximum duty cycle
-
tleb
-
ns
20
25
30
µs
67
70
73
%
Oscillator
fosc
oscillator frequency
VCTRL < 1 V
50
63
75
kHz
Duty cycle control (pin CTRL)
Vmin(δmax)
minimum voltage (maximum
duty cycle)
-
1.0 -
V
Vmax(δmin)
maximum voltage (minimum
duty cycle)
-
1.5 -
V
∆Isc/∆t
VCTRL(detect)
slope compensation current
detection voltage on pin CTRL
−1.2 −1
−0.8 µA/µs
0.56 0.63 0.70 V
Protection and timing input (pin PROTECT)
Vtrip
trip voltage
[1] 2.37 2.5
2.63 V
Vtrip(latch)
latch trip voltage
2.85 3
3.15 V
VVCC(latch)(reset)
Ich
latch reset voltage on pin VCC VCC(latch) < 2.3 V
charge current
VCTRL < 0.63 V
-
4.5 -
V
−57 −50 −43 µA
Idch
discharge current
-
100 -
nA
Overcurrent and winding short circuit protection (pin SENSE)
Vsense(max)
tPD
maximum sense voltage
propagation delay
∆V/∆t = 0.1 V/µs
∆V/∆t = 0.5 V/µs
0.48 0.52 0.56 V
-
140 185 ns
tleb
Istartup(soft)
leading edge blanking time
soft startup current
VI < 0.5 V
330 400 470 ns
45
60
75
µA
Driver (pin DRIVER)
Isource
source current
VCC = 9.5 V; VDRIVER = 2 V
-
−150 −88 mA
Isink
sink current
VCC = 9.5 V
VDRIVER = 2 V
-
250 -
mA
VDRIVER = 9.5 V
300 500 -
mA
Vo(max)
maximum output voltage
VCC > 12 V
-
11.5 12
V
TEA1530T_AT_AP_1
Product data sheet
Rev. 01 — 30 June 2008
© NXP B.V. 2008. All rights reserved.
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