NCV3843BV ON Semiconductor, NCV3843BV Datasheet - Page 7

• Manufacturer Part Number: NCV3843BV
• Description: High Performance Current Mode Controllers
• Manufacturer: ON Semiconductor

− 4.0
− 8.0
− 20
− 24
− 20
−12
−16
100
80
60
40
20
0
0
10
0
Figure 8. Error Amp Open Loop Gain and
Figure 12. Reference Load Regulation
Figure 10. Reference Voltage Change
100
20
I
ref
Ä Ä Ä Ä
T
, REFERENCE SOURCE CURRENT (mA)
A
Phase versus Frequency
= 125°C
versus Source Current
1.0 k
40
Gain
f, FREQUENCY (Hz)
UC3842B, UC3843B, UC2842B, UC2843B, NCV3843BV
Ä Ä Ä Ä
Ä Ä Ä Ä
2.0 ms/DIV
10 k
T
60
A
= 25°C
V
I
T
100 k
O
A
CC
80
= 1.0 mA to 20 mA
= 25°C
V
V
R
T
= 15 V
A
CC
O
L
Ä Ä Ä Ä
Ä Ä Ä
Ä Ä Ä
= 25°C
= 100 K
= 2.0 V to 4.0 V
T
= 15 V
A
V
= −55°C
1.0 M
100
CC
Phase
= 15 V
http://onsemi.com
10 M
120
0
30
60
90
120
150
180
7
110
90
70
50
1.2
1.0
0.8
0.6
0.4
0.2
− 55
0
0
Figure 11. Reference Short Circuit Current
V
CC
Figure 9. Current Sense Input Threshold
Figure 13. Reference Line Regulation
− 25
= 15 V
versus Error Amp Output Voltage
T
A
V
= 125°C
T
O
2.0
T
A
, ERROR AMP OUTPUT VOLTAGE (V)
A
, AMBIENT TEMPERATURE (°C)
= 25°C
versus Temperature
0
25
T
2.0 ms/DIV
A
= −55°C
4.0
50
V
T
A
CC
Ä Ä Ä Ä
Ä Ä Ä Ä
= 25°C
75
= 12 V to 25
6.0
V
R
CC
L
≤ 0.1 W
= 15 V
100
125
8.0