UC3854BN UNITRODE, UC3854BN Datasheet - Page 11

• Manufacturer Part Number: UC3854BN
• Description: HIGH POWER FACTOR REG, 3854, DIP16
• Manufacturer: UNITRODE

Specifications of UC3854BN

• Primary Input Voltage: 20V
• No. Of Outputs: 1
• Output Voltage: 12.8V
• Voltage Regulator Case Style: DIP
• No. Of Pins: 16
• Operating Temperature Range: 0°C To +70°C
• Operating Temperature Max: 70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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100
−20
−40
120
−60
80
60
40
20
0
10 k
CURRENT AMPLIFIER GAIN
100 k
f − Frequency − Hz
FREQUENCY
f
CO
Product Folder Link(s):
Figure 5.
= 5.992 MHz
vs
GAIN
1 M
TYPICAL CHARACTERISTICS (continued)
100
1 k
10
0
PHASE
1
10 M
1 nF
3 nF
200 pF
R
SET
10 nF
UC1854A UC2854A, UC2854B UC3854A, UC3854B
LIMIT SET RESISTANCE AND
− Multiplier Limit Set Resistance − k
OSCILLATOR FREQUENCY
−90
−45
−0
TIMING CAPACITANCE
Figure 7.
5 nF
vs
10
120
100
−20
80
60
40
20
0
100
2 nF
VOLTAGE AMPLIFIER GAIN
1000
SLUS329E – MONTH 2003 – REVISED JANUARY 2008
100 pF
PHASE
500 pF
f − Frequency − Hz
FREQUENCY
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10 k
100
vs
Figure 6.
100 k
GAIN
UC2854A, UC2854B
UC3854A, UC3854B
1 M
UC1854A
10 M
120
100
80
60
40
20
0
−20
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