參數(shù)資料
型號(hào): UCC3889N
英文描述: 5 V supervisor with battery switchover
中文描述: 集成電路電源控制器
文件頁數(shù): 11/19頁
文件大小: 296K
代理商: UCC3889N
SLUS458C AUGUST 2001 REVISED SEPTEMBER 2003
11
www.ti.com
TYPICAL CHARACTERISTICS
1 k
10 k
100 k
1 k
10 k
100 k
1 M
10 M
Figure 6
OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE AND CAPACITANCE
CT = 220 pF
CT = 4.7 nF
CT = 2.2 nF
CT = 1 nF
CT = 470 pF
RT Timing Resistance
f
Figure 7
I
TJ Temperature
°
C
9.0
9.5
8.0
7.5
7.0
8.5
50
25
0
25
50
75
100
125
OSCILLATOR DISCHARGE CURRENT
vs
TEMPERATURE
Figure 8
f Frequency Hz
G
ERROR AMPLIFIER
FREQUENCY RESPONSE
1
10
100
10 k
100 k
1 M
10 M
1 k
10
0
20
200
180
140
120
80
40
0
60
100
160
20
30
40
50
60
70
80
90
100
P
°
)
GAIN
PHASE
MARGIN
Figure 9
COMP to CS OFFSET VOLTAGE (with CS = 0)
vs
TEMPERATURE
1.8
C
TJ Temperature
°
C
0.2
1.4
1.2
0.8
0.4
0.0
0.6
1.0
1.6
50
25
0
25
50
75
100
125
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