US3011 查看數據表（PDF） - Unisem
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US3011 Datasheet PDF : 11 Pages
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UVLO Section
UVLO Threshold-12V
UVLO Hysterises-12V
UVLO Threshold-5V
UVLO Hysterises-5V
Error Comparator Section
Input bias current
Input Offset Voltage
Delay to Output
Current Limit Section
C.S Threshold Set Current
C.S Comp Offset Voltage
Hiccup Duty Cycle
Supply Current
Operating Supply Current
Output Drivers Section
Rise Time
Fall Time
Dead band Time
Oscillator Section
Osc Frequency
Osc Valley
Osc Peak
Over Voltage Section
OVP Drive Current
Supply ramping up
Supply ramping up
Vdiff=10mV
Css=0.1 uF
CL=3000pF
V5
V12
CL=3000pF
CL=3000pF
CL=3000pF
Ct=150pF
Note 1: Vs refers to the set point voltage given in Table 1.
US3011
9.2
10
10.8
V
0.3
0.4
0.5
V
4.1
4.3
4.5
V
0.2
0.3
0.4
V
2
uA
-2
+2
mV
100
nS
160
200
240
uA
-5
+5
mV
2
%
20
14
mA
70
100
nS
70
130
nS
100
200
300
nS
190
220
250
Khz
0.2
V
V5
V
50
mA
D4 D3 D2 D1 D0 Vs
01
1
1
1
1.30
01
1
1
0
1.35
01
1
0
1
1.40
01
1
0
0
1.45
01
0
1
1
1.50
01
0
1
0
1.55
01
0
0
1
1.60
01
0
0
0
1.65
00
1
1
1
1.70
00
1
1
0
1.75
00
1
0
1
1.80
00
1
0
0
1.85
00
0
1
1
1.90
00
0
1
0
1.95
00
0
0
1
2.00
00
0
0
0
2.05
D4 D3 D2 D1 D0 Vs
1
1
1
1
1
2.0
1
1
1
1
0
2.1
1
1
1
0
1
2.2
1
1
1
0
0
2.3
1
1
0
1
1
2.4
1
1
0
1
0
2.5
1
1
0
0
1
2.6
1
1
0
0
0
2.7
1
0
1
1
1
2.8
1
0
1
1
0
2.9
1
0
1
0
1
3.0
1
0
1
0
0
3.1
1
0
0
1
1
3.2
1
0
0
1
0
3.3
1
0
0
0
1
3.4
1
0
0
0
0
3.5
Table 1 - Set point voltage vs. VID codes
Rev. 1.3
12/8/00
4-3
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