UC3854BN UNITRODE, UC3854BN Datasheet - Page 4

• 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

UC1854A
UC2854A, UC2854B
UC3854A, UC3854B
SLUS329E – MONTH 2003 – REVISED JANUARY 2008
ELECTRICAL CHARACTERISTICS
V
V
and T
(1) Ensured by design. Not production tested.
4
OVERALL
VOLTAGE AMPLIFIER
V
V
I
CURRENT AMPLIFIER
I
V
V
I
CMRR
REFERENCE
I
SC
SENSE
SC
SC
CC
VSENSE
OH
OL
OH
OL
= 18 V, R
A
= T
= 3 V, –40 C < T
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Supply current, off
Supply current, on
V
V
V
V
Input voltage
V
Open loop gain
High-level output voltage
Low-level output voltage
Output short-circuit current
Gain bandwidth product
Input offset voltage
Input bias current
Open loop gain
High-level output voltage
Low-level output voltage
Output short-circuit current
Common mode rejection range
Gain bandwidth product
Output voltage
Load regulation
Line regulation
Short circuit current
J
CC
CC
CC
CC
SENSE
(unless otherwise noted)
turn-on threshold voltage
turn-off threshold voltage
hysteresis
clamp
T
= 8.2 kΩ, C
PARAMETER
bias current
A
T
< 85 C for the UC2854A and UC2854B, and 0 C < T
= 1.5 nF, V
Product Folder Link(s):
(1)
(1)
PKLMT
= 1 V, V
CAO = 0 V,
V
UCx854A
UCx854B
UCx854A
UCx854B
UCx854A
UCx854B
I
2 V ≤ V
I
I
V
f
V
V
V
2 V ≤ V
I
I
V
f
I
I
1 mA ≤ I
12 V ≤ V
V
VCC
LOAD
LOAD
IN
LOAD
LOAD
IN
REF
REF
CC
OUT
CM
CM
CM
OUT
REF
= 100 kHz,
= 100 kHz,
UC1854A UC2854A, UC2854B UC3854A, UC3854B
= V
= 0 mA,
= 0 mA
= I
= 0 V,
= 0 V,
= 0 V
= 0 V
= 0 V
= 0 V
= –500 A
= 500 A
= –500 A
= 500 A
VCC(on)
OUT
OUT
UVLO
VRMS
REF
CC
≤ 5 V
= 6 V
≤ 18 V
TEST CONDITIONS
–0.3 V
≤ 10 mA
= 1.5 V, I
+ 5 mA
IAC
VAO = 0 V,
10 mVp-p
T
Overtemperature
10 mVp-p
T
A
A
= 100 A, I
= 25 C
= 25 C
A
< 70 C for the UC3854A and UC3854B,
Copyright © 2003–2008, Texas Instruments Incorporated
ISENSE
= 0 V, V
–500
–500
15.0
0.10
–5.5
–0.3
7.35
MIN
8.0
7.8
2.9
7.4
18
70
–4
80
25
9
5
3
0
0
CAO
= 3.5 V, V
—25
TYP
16.0
10.5
10.3
0.22
7.50
250
100
110
3.0
0.3
1.5
0.3
1.5
7.5
12
10
20
14
35
6
6
1
8
5
8
VAO
MAX
17.5
11.2
11.0
0.50
7.65
400
500
500
www.ti.com
3.1
0.5
3.5
0.5
3.5
5.0
7.6
18
12
22
20
25
60
7
0
0
= 5 V,
UNIT
MHz
MHz
mA
mA
mV
mA
mV
mA
nA
dB
nA
dB
V
V
V
V
V
V
A