Datasheet

−50 50 125−25 0 25 75 100
3.24
3.26
3.28
3.30
3.32
3.34
3.36
t − Temperature − °C
3V3 − Reference Voltage − V
−50 50
5.0
4.5
2.5
2.0
1.5
0.5
0.0
−25 0 25 75 100
4.0
1.0
3.5
3.0
UVLO on
UVLO off
UVLO hysteresis
t − Temperature − °C
125
V
UVLO
− UVLO Thresholds − V
−50 50 125−25 0 25 75 100
20.0
20.5
21.0
21.5
22.0
22.5
23.0
t − Temperature − °C
I
SHORT_CKT
− Short Circuit Current − mA
VDD = 4.75 V
VDD = 12 V
0 1000 1500500
0
20
40
60
80
100
120
140
160
f − Frequency − kHz
I
DD
− Supply Current − mA
C
LOAD
= 10 nF
C
LOAD
= 4.7 nF
C
LOAD
= 2.2 nF
C
LOAD
= 1 nF
UCD7201
www.ti.com SLUS645E –FEBRUARY 2005–REVISED NOVEMBER 2009
Typical Characteristics
UVLO THRESHOLDS 3V3 REFERENCE VOLTAGE
vs vs
TEMPERATURE TEMPERATURE
Figure 4. Figure 5.
3V3 SHORT CIRCUIT CURRENT SUPPLY CURRENT
vs vs
TEMPERATURE FREQUENCY (V
DD
= 5 V)
Figure 6. Figure 7.
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