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US3012 Ver la hoja de datos (PDF) - Unisem

Número de pieza
componentes Descripción
Lista de partido
US3012 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
US3012/3012A
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
Output Enable Section
Pull up Resistor to V5
HI Threshold Voltage
LO Threshold Voltage
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.
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
35
k
2
V
0.8
V
D4 D3 D2 D1 D0 Vs
D4 D3 D2 D1 D0 Vs
01
1
1
1
1.30*
1
1
1
1
1
**
01
1
1
0
1.35*
1
1
1
1
0
2.1
01
1
0
1
1.40*
1
1
1
0
1
2.2
01
1
0
0
1.45*
1
1
1
0
0
2.3
01
0
1
1
1.50*
1
1
0
1
1
2.4
01
0
1
0
1.55*
1
1
0
1
0
2.5
01
0
0
1
1.60*
1
1
0
0
1
2.6
01
0
0
0
1.65*
1
1
0
0
0
2.7
00
1
1
1
1.70*
1
0
1
1
1
2.8
00
1
1
0
1.75*
1
0
1
1
0
2.9
00
1
0
1
1.80
1
0
1
0
1
3.0
00
1
0
0
1.85
1
0
1
0
0
3.1
00
0
1
1
1.90
1
0
0
1
1
3.2
00
0
1
0
1.95
1
0
0
1
0
3.3
00
0
0
1
2.00
1
0
0
0
1
3.4
00
0
0
0
2.05
1
0
0
0
0
3.5
* Output voltage is disabled for US3012A.
** Output voltage is disabled for all versions.
Table 1 - Set point voltage vs. VID codes
Rev. 1.0
5/6/98
4-3

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