TL1451_08 Datasheet, PDF (12/14 Pages) Unisonic Technologies – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL1451
„ TYPICAL CHARACTERISTICS(Cont.)
Reference Output Voltage vs Supply Voltage
3
Ta = 25℃
2.5
2
1.5
1
0.5
0
0 5 10 15 20 25 30 35 40
Supply Voltage, V_CC (V)
Undervoltage Lockout Hysteresis
Characteristics
6 _{Ta = 85℃ Ta = 25℃ Ta = 20℃}
5
4
3
5V
2
RL
7,12
I = IO
8
VDE
1
IO =10mA
0
0
1
2
3
4
5
Supply Voltage, V_CC (V)
Short-Circuit Protection Characteristics
1.30
3
1.25
Short-Circuit Protection
Latch Reset Supply Voltage
2.5
(Right Scale)
1.20
2
Short-Circuit Protection
1.15 _{Comparator Threshold Voltage}
1.5
(Left Scale)
1.10
-25
0
25
50
75
Free - Air Temperature, Ta (℃)
1
100
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LINEAR INTEGRATED CIRCUIT
Dropout Voltage Variation vs
Free-Air Temperature
1.1
I_I(REF) = 1mA
1
0.9
0.8
0.7
0.6
-25
0
25
50
75 100
Free - Air Temperature, Ta (℃)
Undervoltage Lockout Characteristics
3.5
300
I_I(REF) = 1mA
3.25
250
Threshold Voltage-V_TH
(Left Scale)
3
200
Threshold Voltage-V_TL
(Left Scale)
2.75
150
2.5
100
Threshold Voltage
2.25 ^{(Right Scale)}
50
2
0
-25
0
25
50
75 100
Free - Air Temperature, Ta (℃)
Gain (Amplfier In Unity-Gain Configuration) vs
Frequency
10
V_CC = 5V
Ta = 25℃
5
0
-5
-10
-15
-20
1k
10k
100k
1M
10M
Frequency, f (Hz)
12 of 14
QW-R103-011.D