UC384XBD MOTOROLA [Motorola, Inc], UC384XBD Datasheet - Page 5

• Manufacturer Part Number: UC384XBD
• Description: HIGH PERFORMANCE CURRENT MODE CONTROLLERS
• Manufacturer: MOTOROLA [Motorola, Inc]

MOTOROLA ANALOG IC DEVICE DATA
– 4.0
– 8.0
– 20
– 12
– 16
– 20
– 24
100
80
60
40
20
0
0
10
0
Figure 5. Error Amp Open Loop Gain and
Figure 9. Reference Load Regulation
100
Figure 7. Reference Voltage Change
20
I ref , REFERENCE SOURCE CURRENT (mA)
Phase versus Frequency
T A = 125 C
versus Source Current
1.0 k
40
f, FREQUENCY (Hz)
Gain
2.0 ms/DIV
10 k
60
T A = 25 C
V CC = 15 V
I O = 1.0 mA to 20 mA
T A = 25 C
100 k
80
UC3844B, 45B UC2844B, 45B
V CC = 15 V
V O = 2.0 V to 4.0 V
R L = 100 k
T A = 25 C
T A = – 55 C
V CC = 15 V
1.0 M
100
Phase
10 M
120
120
150
180
30
60
90
0
110
90
70
50
1.2
1.0
0.8
0.6
0.4
0.2
– 55
0
0
V CC = 15 V
Figure 8. Reference Short Circuit Current
Figure 6. Current Sense Input Threshold
Figure 10. Reference Line Regulation
– 25
T A = 125 C
versus Error Amp Output Voltage
T A = 25 C
V O , ERROR AMP OUTPUT VOLTAGE (V O )
2.0
T A , AMBIENT TEMPERATURE ( C)
versus Temperature
0
T A = – 55 C
25
2.0 ms/DIV
4.0
50
V CC = 12 V to 25 V
T A = 25 C
75
Ä Ä Ä Ä
Ä Ä Ä Ä
6.0
V CC = 15 V
R L 0.1
100
125
8.0
5