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TL2843B-Q1 Datasheet(PDF) 7 Page - Texas Instruments

Part # TL2843B-Q1
Description  HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TL2843B-Q1 Datasheet(HTML) 7 Page - Texas Instruments

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-20
0
20
40
60
80
100
1 . E +0 1
1 . E +0 2
1 . E +0 3
1 . E +0 4
1 . E +0 5
1 . E +0 6
1 . E +0 7
f – Frequency – Hz
-100
-50
0
50
100
150
200
VCC = 15 V
RL = 100 kX
TA = 25°C
Phase
Gain
k
Ω
10
100
1k
10k
100k
1M
10M
0
5
10
15
20
25
0
5
10
15
20
25
30
35
40
VCC – Supply Voltage – V
0
0.2
0.4
0.6
0.8
1
1.2
0
1
2
3
4
5
6
7
8
VO – Error Amplifier Output Voltage – V
VIN = 15 V
TA = 125°C
TA = 25°C
TA = -55°C
7.4
7.6
7.8
8
8.2
8.4
8.6
8.8
9
9.2
-55 -35 -15
5
25
45
65
85 105 125 145
TA – Temperature – °C
VIN = 15 V
VOSC = 2 V
TL2843B-Q1
www.ti.com
SLVSAE2A
– JULY 2010 – REVISED FEBRUARY 2012
TYPICAL CHARACTERISTICS
ERROR AMPLIFIER OPEN-LOOP
SUPPLY CURRENT
GAIN AND PHASE
vs
vs
SUPPLY VOLTAGE
FREQUENCY
CURRENT-SENSE INPUT THRESHOLD
OSCILLATOR DISCHARGE CURRENT
vs
vs
ERROR AMPLIFIER OUTPUT VOLTAGE
TEMPERATURE
Copyright
© 2010–2012, Texas Instruments Incorporated
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