VIPER20 STMicroelectronics, VIPER20 Datasheet - Page 6

• 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

Figure 1: V
Figure 5: Breakdown Voltage Vs. Temperature
Figure 3: Transition Time
I
I
I
COMPLO
COMPHI
V
(Normalized)
COMP
DS
BV
I
D
DSS
0
1.15
1.05
0.95
DD
1.1
1
0
Regulation Point
90%V
tf
20
10% V
D
Temperature ( C)
10%Ipeak
40
D
60
V
DDreg
Gm in mA/V
tr
80
Slope =
100 120
FC00160
FC00150
t
FC00180
t
V
DD
Figure 2: Undervoltage Lockout
Figure 4: Shut Down Action
Figure 6: Typical Frequency Variation
VIPer20/SP/DIP - VIPer20A/ASP/ADIP
I
I
I
DDch
D D0
D D
(%)
VCOMPth
-1
-2
-3
-4
-5
VCOMP
1
0
VOSC
0
ID
20
V
V
40
Temperature ( C)
DD hyst
ENABLE
DD off
60
tDISsu
80
DISABLE
V
V
100 120 140
D D on
FC00170
Fsw = 0
DS
= 3 5 V
ENABLE
FC00060
FC00190
V
t
t
t
DD
6/25