VIPER20 STMicroelectronics, VIPER20 Datasheet - Page 5

• Manufacturer Part Number: VIPER20
• Manufacturer: STMicroelectronics

Specifications of VIPER20

• Pwm Type: Current Mode PWM Controller
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 200kHz
• Operating Supply Voltage (max): 15V
• Output Current: 500mA
• Output Voltage: 620V
• Synchronous Pin: No
• Rise Time: 50ns
• Fall Time: 100ns
• Mounting: Through Hole
• Pin Count: 5 +Tab
• Package Type: PENTAWATT HV
• Lead Free Status / Rohs Status: Not Compliant

VIPer20/SP/DIP - VIPer20A/ASP/ADIP
ELECTRICAL CHARACTERISTICS (continued)
OSCILLATOR SECTION
ERROR AMPLIFIER SECTION
PWM COMPARATOR SECTION
SHUTDOWN AND OVERTEMPERATURE SECTION
5/25
V
V
V
Symbol
Symbol
I
Symbol
Symbol
V
I
COMPLO
V
V
COMPHI
t
V
COMPLO
COMPoff
I
COMPHI
on(min)
COMPth
t
V
A
Dpeak
G
T
F
DISsu
OSCih
DDreg
T
H
OSCil
G
DDreg
VOL
hyst
SW
t
t
BW
tsd
d
b
ID
m
Oscillator Frequency
Total Variation
Oscillator Peak Voltage
Oscillator Valley Voltage
V
Total Variation
Unity Gain Bandwidth
Open Loop Voltage Gain
DC Transconductance
Output Low Level
Output High Level
Output Low Current
Capability
Output High Current
Capability
V
Peak Current Limitation
Current Sense Delay to
Turn-Off
Blanking Time
Minimum On Time
Restart Threshold
Disable Set Up Time
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
V
DD
COMP
COMP
Regulation Point
Parameter
Parameter
Parameter
Parameter
Offset
/ I
DPEAK
R
V
with R
(see fig. 6 and fig. 9)
I
T
From Input =V
COMP pin is open
COMP pin is open
V
I
I
V
V
V
I
V
I
(see fig. 4)
(see fig. 4)
(See fig. 8)
(See fig. 8)
COMP
COMP
COMP
DPEAK
D
DD
j
COMP
COMP
COMP
COMP
DD
t
=0 to 100 C
=1A
=8.2K ; C
=9 to 15V;
=12V; COMP pin open
=0mA
= -400 A; V
=400 A; V
t
=10mA
=2.5V
=2.5V; V
=2.5V; V
=1 to 3 V
1%;
Test Conditions
Test Conditions
Test Conditions
Test Conditions
t
=2.4nF
C
DD
DD
DD
t
DD
to Output = V
DD
=14V
=12V
5%
=12V
=14V
(see fig. 10)
(see fig. 10)
(see fig. 1)
(see fig. 1)
COMP
12.6
Min
Min
Min
Min
140
1.1
4.2
0.5
90
45
-600
0.67
Typ
Typ
Typ
Typ
100
150
600
250
250
350
170
7.1
3.7
1.5
0.2
4.5
0.5
0.5
1.7
13
52
40
2
6
Max
Max
13.4
Max
Max
110
360
190
1.9
7.8
0.9
5
mA/V
Unit
Unit
Unit
Unit
kHz
kHz
V/A
dB
ns
ns
ns
V
V
V
V
V
V
A
V
C
C
A
A
s