參數(shù)資料
型號： UCC18503
廠商： Texas Instruments, Inc.
元件分類： 基準電壓源/電流源
英文描述： BiCMOS PFC/PWM Combination Controller
中文描述： 的BiCMOS PFC / PWM組合控制器
文件頁數(shù)： 3/8頁
文件大?。?/td> 91K
代理商： UCC18503
3
UCC18500/1/2/3
UCC28500/1/2/3
UCC38500/1/2/3
ELECTRICAL CHARACTERISTICS:
Unless otherwise specified, these specifications hold for T
A
=0°C to 70°C for the
UCC3850X, –40°C to +85°C for the UCC2850X, and –55°C to +125°C for the UCC1850X, T
A
= T
J
. VCC = 12V, RT = 22k, CT =
330pF.
PARAMETER
TEST CONDITIONS
Supply Current Section
Supply Current, Off
VCC = 12V (VCC Turn-on Threshold –300mV)
Supply Current, On
VCC = 12V
UVLO Section
VCC Turn-On Threshold (UCCX8500/502)
UVLO Hysteresis (UCCX8500/502)
Shunt Voltage (UCCX8500/502)
I
VCC
= 10mA
VCC Turn-On Threshold (UCCX8501/503)
UVLO Hysteresis (UCCX8501/503)
Voltage Amplifier Section
Input Voltage
T
A
= 0°C to 70°C
T
A
= –40°C to 85°C
T
A
= –55°C to125°C
V
SENSE
Bias Current
Open Loop Gain
VAOUT = 2V to 5V
V
OUT
High
I
LOAD
= –150 A
V
OUT
Low
I
LOAD
= 150
μ
A
Over Voltage Protection and Enable Section
Over Voltage Reference
Hysteresis
Enable Threshold
Current Amplifier Section
Input Offset Voltage
V
CM
= 0V, V
CAOUT
= 3V
Input Bias Current
V
CM
= 0V, V
CAOUT
= 3V
Input Offset Current
V
CM
= 0V, V
CAOUT
= 3V
Open Loop Gain
V
CM
= 0V, V
CAOUT
= 2V to 5V
CMRR
V
CM
= 0V to 1.5V, V
CAOUT
= 3V
V
OUT
High
I
LOAD
= –120 A
V
OUT
Low
I
LOAD
= 1mA
Gain Bandwidth Product
(Note 1)
Voltage Reference Section
Input Voltage
TA = 0
°
C to 70
°
C
TA = –40
°
C to 85
°
C
TA = –55
°
C to 125
°
C
Load Regulation
I
REF
= 1mA to 2mA
Line Regulation
VCC = 12V to 16V
Short Circuit Current
VREF = 0V
Oscillator Section
Initial Accuracy
T
A
= 25°C
Voltage Stability
VCC = 10.8V to 15V
Total Variation
Line, Temp
Ramp Peak Voltage
Ramp Amplitude Voltage (peak to peak)
MIN
TYP
MAX
UNITS
150
4
300
6
A
mA
15.4
5.4
16
6
17
10.5
0.5
16.6
6.2
17.5
10.8
0.6
V
V
V
V
V
10.2
0.4
7.388
7.369
7.313
7.500
7.500
7.500
50
80
5.5
0.05
7.613
7.631
7.687
V
V
V
nA
dB
V
V
5.4
5.6
0.10
7.8
400
1
8.0
500
1.5
8.2
600
2
V
mV
V
–5
0
5
mV
nA
nA
dB
dB
V
V
MHz
–50
25
90
80
6.3
0.2
2.5
7.388
7.369
7.313
7.500
7.500
7.500
5
10
–25
7.613
7.631
7.687
10
20
V
V
V
mV
mV
mA
85
100
1
115
kHz
%
kHz
V
V
80
4.5
120
5.5
5
4
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