Electrical data
VIPer20A-E
Table 5.
Symbol
V
DDREG
鈭哣
DDreg
Error amplifier section
Parameter
V
DD
Regulation Point
Total Variation
Test conditions
I
COMP
=0mA
(see Figure 5)
T
J
= 0 to 100掳C
From Input =V
DD
to
Min
12.6
Typ
13
2
Max
13.4
Unit
V
%
G
BW
Unity Gain Bandwidth
Output = V
COMP
COMP pin is open
Figure 15
COMP pin is open
Figure 15
V
COMP
=2.5V(see
Figure 5)
I
COMP
=-400碌A; V
DD
=14V
I
COMP
=400碌A; V
DD
=12V
45
1.1
150
KHz
A
VOL
G
m
Open Loop Voltage Gain
DC Transconductance
52
1.5
0.2
4.5
-600
600
1.9
dB
mA/V
V
V
碌A
碌A
V
COMPLO
Output Low Level
V
COMPHI
I
COMPLO
I
COMPHI
Output High Level
Output Low Current Capability V
COMP
=2.5V; V
DD
=14V
Output High Current
Capability
V
COMP
=2.5V; V
DD
=12V
Table 6.
Symbol
H
ID
V
COMPoff
I
Dpeak
t
d
t
b
t
on(min)
PWM comparator section
Parameter
鈭哣
COMP
/
鈭咺
DPEAK
V
COMP
Offset
Peak Current Limitation
Current Sense Delay to Turn-
Off
Blanking Time
Minimum On Time
Test conditions
V
COMP
= 1
to
3 V
I
DPEAK
= 10mA
V
DD
= 12V; COMP pin open
I
D
= 1A
0.5
Min
4.2
Typ
6
0.5
0.67
250
250
350
360
1200
0.9
Max
7.8
Unit
V/A
V
A
ns
ns
ns
Table 7.
Symbol
V
COMPth
t
DISsu
T
tsd
T
hyst
Shutdown and overtemperature section
Parameter
Restart Threshold
Disable Set Up Time
Thermal Shutdown
Temperature
Test conditions
(see Figure 8)
(see Figure 8)
(see Figure 8)
140
Min
Typ
0.5
1.7
170
40
5
190
Max
Unit
V
碌s
掳C
掳C
Thermal Shutdown Hysteresis
(see Figure 8)
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