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 ramping up
Supply ramping up
9.2
0.3
4.1
0.2
10
10.8
0.5
4.5
0.4
V
V
V
V
0.4
4.3
0.3
2
+2
100
uA
mV
nS
-2
Vdiff=10mV
Css=0.1 uF
160
-5
200
240
+5
2
uA
mV
%
Supply Current
Operating Supply Current
CL=3000pF
V5
20
14
V12
mA
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
CL=3000pF
CL=3000pF
CL=3000pF
70
70
200
100
130
300
nS
nS
nS
100
190
Ct=150pF
220
V5
35
250
0.2
Khz
V
V
kW
V
V
2
0.8
Note 1: Vs refers to the set point voltage given in Table 1.
D4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D2
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Vs
D4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D3
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D2
D1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
D0
Vs
**
1.30*
1.35*
1.40*
1.45*
1.50*
1.55*
1.60*
1.65*
1.70*
1.75*
1.80
1.85
1.90
1.95
2.00
2.05
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
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
UNISEM [ UNISEM ]
