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參數(shù)資料
| 型號(hào)： | UCC1829J-1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, CDIP20 |
| 封裝： | CERDIP-20 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 176K |
| 代理商： | UCC1829J-1 |
4
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
Restart Discharge Current
10
40
A
Restart Threshold
0.8
1
1.2
V
Current Limit Threshold
Relative to CL–
0.8
0.875
1.1
V
Overcurrent Threshold
Relative to CL–
1.1
1.25
1.4
V
Current Limit Delay to Output
50
100
ns
VDD = 5V
100
400
ns
Output Section (OUTA, OUTB)
Output Low Saturation
IOUT = 200mA
0.5
1.0
V
Output High Saturation
IOUT = –100mA
0.5
1.0
V
UVLO Output Low Saturation
At 10mA
0.1
0.5
V
Rise Time
CLOAD = 1nF, TJ = 25°C
20
40
ns
Fall Time
CLOAD = 1nF, TJ = 25°C
10
20
ns
Output Source Current
VOUT = 0, TJ = 25°C (Note 1)
–0.75
A
Output Sink Current
VOUT = 12V, TJ = 25°C (Note 1)
1.5
A
Complementary Delay Time (Delay 2)
(UCCX829 -3 Only)
(Note 1)
50
150
ns
Undervoltage Lockout
UVLO Enable Threshold
2.9
3
3.1
V
UVLO Hysteresis
0.3
0.5
0.7
V
VDD UVLO Enable Threshold
13.5
14.5
V
VDD UVLO Hysteresis
3.5
7
V
Supply Section
VDD Range
No Load
4.25
14.5
V
Startup Current
VUVLO = 2V, VDD = 13.5V
3
5
mA
IDD
400kHz, No Load
8
12
mA
Note 1: Guaranteed by design. Not 100% tested in production.
Note 2: Refer to Figure 1.
2.970
2.975
2.980
2.985
2.990
2.995
3.000
3.005
3.010
3.015
3.020
3.025
3.030
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
VDD [V]
VREF
[V]
Figure 1. Reference vs. VDD
TYPICAL CHARACTERISTIC CURVES
2.95
2.96
2.97
2.98
2.99
3
3.01
3.02
3.03
3.04
3.05
-75
-50
-25
0
25
50
75
100
125
TEMPERATURE [°C]
V
REF
[V]
Figure 2. Reference vs. Temperature
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