VIPER28LN STMicroelectronics, VIPER28LN Datasheet - Page 6
![IC OFFLINE CONV PWM OVP 8DIP](/photos/7/33/73370/viper28ln_sml.jpg)
VIPER28LN
Manufacturer Part Number
VIPER28LN
Description
IC OFFLINE CONV PWM OVP 8DIP
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet
1.VIPER28HN.pdf
(32 pages)
Specifications of VIPER28LN
Output Isolation
Isolated
Frequency Range
54 ~ 66kHz
Voltage - Input
8.5 ~ 23.5 V
Voltage - Output
800V
Power (watts)
20W
Operating Temperature
-25°C ~ 125°C
Package / Case
8-DIP (0.300", 7.62mm), 7 Leads
Output Voltage
800 V
Output Power
1 W
Input Voltage
- 0.3 V
Switching Frequency
115 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
Through Hole
Duty Cycle (max)
80 %
Number Of Outputs
1
For Use With
497-8840 - EVAL BOARD FOR VIPER28LD 60KHZ497-8839 - EVAL BOARD FOR VIPER28HD 115KHZ
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8392-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
VIPER28LN
Manufacturer:
STMicroelectronics
Quantity:
500
Part Number:
VIPER28LN
Manufacturer:
ST
Quantity:
20 000
Electrical data
4.3
Table 6.
Table 7.
6/32
Voltage
V
Current
Symbol
V
V
R
I
C
DD(RESTART)
DRAIN
V
BVDSS
DD_FAULT
I
Symbol
DS(on)
I
OFF
DD_OFF
OSS
DDclamp
V
V
I
V
I
I
DDch
DDon
DDoff
DD0
DD1
DD
_START
Break-down voltage
OFF state drain current
Drain-source on state
resistance
Effective (energy related)
output capacitance
Electrical characteristics
(T
Power section
Supply section
a. Adjust V
Drain-source start voltage
Start up charging current
Operating voltage range
V
V
V
threshold
V
Operating supply current, not
switching
Operating supply current,
switching
Operating supply current, with
protection tripping
Operating supply current with V
< V
DD
DD
DD
DD
J
DD_OFF
= -25 to 125 °C, V
clamp voltage
start up threshold
under voltage shutdown
restart voltage threshold
Parameter
DD
Parameter
above V
DDon
DD
start-up threshold before setting to 14 V
I
T
V
V
I
I
V
DRAIN
DRAIN
DRAIN
= 14 V
J
FB
DRAIN
DRAIN
= 25 °C
= GND
DD
= 1 mA, V
= 0.4 A, V
= 0.4 A, V
Doc ID 15028 Rev 4
= max rating,
= 0 to 640 V
(a)
V
= GND, V
V
= GND, V
After turn-on
I
V
= GND
V
= GND
V
GND, V
V
V
V
DD
FB
DD
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
; unless otherwise specified)
= 20 mA
= GND, F
= 7 V
FB
FB
FB
DD
= 120 V, V
= 120 V, V
= 120 V, V
= 120 V, V
= 120 V, F
= 120 V,F
Test condition
DD
DD
Test condition
= 3 V, V
= GND
= 3 V, V
= 10 V
= 4 V
= 4 V after fault.
SW
= 0 kHz, V
EPT
SW
EPT
EPT
EPT
EPT
EPT
SW
= 115 kHz
= GND, T
= 60 kHz
= GND, T
= GND, V
= GND, V
= GND, V
= GND, V
EPT
J
J
FB
FB
FB
FB
=
= 125 °C
= 25 °C
23.5
Min
-0.4
8.5
7.5
60
13
-2
4
Min Typ Max Unit
800
Typ
-0.6
4.5
80
14
-3
8
40
Max
23.5
-0.8
100
400
270
8.5
0.9
2.5
3.5
15
-4
5
VIPER28
60
14
7
Unit
mA
mA
mA
mA
mA
uA
uA
μA
pF
V
V
V
V
V
V
Ω
Ω
V