1 Electrical Data VIPer100-E
6/29
Table 5. Error Amplifier Section
Table 6. PWM Comparator Section
Table 7. Shutdown and Overtemperature Section
Symbol Parameter Test Conditions‘ Min Typ Max Unit
V
DDREG
V
DD
Regulation Point I
COMP
=0mA (see Figure 5) 12.6 13 13.4 V
∆V
DDreg
Total Variation T
j
=0 to 100°C 2 %
G
BW
Unity Gain Bandwidth From Input =V
DD
to
Output = V
COMP
COMP pin is open
(see Figure 15)
150 KHz
A
VOL
Open Loop Voltage Gain COMP pin is open
(see Figure 15)
45 52 dB
G
m
DC Transconductance V
COMP
=2.5V(see Figure 5) 1.1 1.5 1.9 mA/V
V
COMPLO
Output Low Level I
COMP
=-400µA; V
DD
=14V 0.2 V
V
COMPHI
Output High Level I
COMP
=400µA; V
DD
=12V 4.5 V
I
COMPLO
Output Low Current Capability V
COMP
=2.5V; V
DD
=14V -600 µA
I
COMPHI
Output High Current
Capability
V
COMP
=2.5V; V
DD
=12V 600 µA
Symbol Parameter Test Conditions‘ Min Typ Max Unit
H
ID
∆V
COMP
/ ∆I
DPEAK
V
COMP
= 1 to 3 V 0.7 1 1.3 V/A
V
COMPoff
V
COMP
Offset I
DPEAK
= 10mA 0.5 V
I
Dpeak
Peak Current Limitation V
DD
= 12V; COMP pin open 3 4 5.3 A
t
d
Current Sense Delay to Turn-
Off
I
D
= 1A 250 ns
t
b
Blanking Time 250 360 ns
t
on(min)
Minimum On Time 350 1200 ns
Symbol Parameter Test Conditions‘ Min Typ Max Unit
V
COMPth
Restart Threshold (see Figure 8) 0.5 V
t
DISsu
Disable Set Up Time (see Figure 8) 1.7 5 µs
T
tsd
Thermal Shutdown
Temperature
(see Figure 8) 140 170 °C
T
hyst
Thermal Shutdown Hysteresis (see Figure 8) 40 °C