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参数资料
| 型号： | UCC1829J-1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, CDIP20 |
| 封装： | CERDIP-20 |
| 文件页数： | 4/10页 |
| 文件大小： | 176K |
| 代理商： | UCC1829J-1 |
3
UCC1829-1/-2/-3
UCC2829-1/-2/-3
UCC3829-1/-2/-3
ELECTRICAL CHARACTERISTICS: Unless otherwise specified, RT1 = 34.8k
, CT = 470pF, RT2 = 392, VDD = 12V,
Over Full Temperature Range and TA = TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Reference Section
Output Voltage
TJ = 25°C, No Load, Output Off
2.97
3
3.03
V
Over Temperature, No Load, Output Off
2.94
3.06
V
Line Regulation
VDD = 5V to 14.5V, Output Off, No Load, (Note 2)
35
50
mV
Load Regulation
0 < IREF < 5mA
2
10
mV
Total Output Variation
Line, Load, Temperature = 0°C to 70°C, (Note 1)
2.93
3.07
V
Line, Load, Temperature = –55°C to +125°C,
(Note 1)
2.90
3.10
V
Short Circuit Current
VREF = 0
–25
mA
Oscillator Section
Initial Accuracy
TJ = 25°C
360
400
440
kHz
Total Variation
Line, Temperature (Note 1)
320
480
kHz
Temperature Stability
TMIN < TA < TMAX (Note 1)
5
10
%
Initial Accuracy, 1MHz
RT1 = 25.7k, CT = 150pF, TJ = 25°C, (Note 1)
0.9
1
1.1
MHz
Total Variation, 1MHz
RT1 = 25.7k, CT = 150pF, Line, Temperature
(Note 1)
0.8
1.2
MHz
Ramp Peak Voltage
1.8
2
2.2
V
Ramp Valley Voltage
1
1.5
V
Peak To Peak Voltage
0.85
1
1.15
V
BISYNC Output Source Current
VBISYNC = VDD – 0.5V
–2
–1.5
mA
BISYNC Output Sink Current
VBISYNC = 0.5V
60
140
A
BISYNC Input Threshold
1
1.5
2
V
Error Amplifier Section
Input Offset Voltage
5mV
Input Bias Current
–1
1
A
Input Offset Current
250
nA
Open Loop Gain
70
80
dB
CMRR
1.5V < VCM < 4.5V
75
dB
PSRR
5V < VDD < 14.5V
75
dB
Output Sink Current
VEAOUT = 1V
300
500
A
Output Source Current
VEAOUT = 4V
–500
–300
A
Output High Voltage
IEAOUT = –300
A3
5
V
Output Low Voltage
IEAOUT = 300
A
0.6
1
V
Gain Bandwidth Product
VDD = 12V, TJ = 25°C
5
7
MHz
Slew Rate
1.5
2
V/
s
PWM Comparator Section
Input Bias Current V(RAMP)
–60
1
A
Minimum Duty Cycle
400kHz
0
%
Maximum Duty Cycle (UCCX829-1)
400kHz, RT2 Resistor = 200
42.5
%
Maximum Duty Cycle (UCCX829-2, -3)
400kHz, RT2 Resistor = 200
85
%
Delay to Output
50
100
ns
Current Limit Fault Section
Soft Start Charge Current
–40
–10
A
Soft Start Complete Threshold
SS Pin (Note 1)
3
V
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