VIPER15HN STMicroelectronics, VIPER15HN Datasheet - Page 17
VIPER15HN
Manufacturer Part Number
VIPER15HN
Description
IC OFFLINE CONV PWM OVP 16SOIC
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet
1.VIPER15LN.pdf
(40 pages)
Specifications of VIPER15HN
Output Isolation
Isolated
Frequency Range
200 ~ 250kHz
Voltage - Input
8.5 ~ 23.5 V
Voltage - Output
800V
Power (watts)
12W
Operating Temperature
-40°C ~ 150°C
Package / Case
8-DIP (0.300", 7.62mm), 7 Leads
Input Voltage
8.5 V to 23.5 V
Switching Frequency
225 KHz
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8737-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
VIPER15
As soon as the output voltage reaches the regulated value, the regulation loop takes over
and the drain current is regulated below its limit, I
at a value lower than the threshold V
Figure 22. I
Figure 23. Timing diagram: normal power-up and power-down sequences
V
V
I
DRAIN_START
DD(RESTART)
DDch
V
DRAIN
V
(3mA)
I
V
DDch
DDoff
DDon
V
V
I
DD
DD
IN
V
(-3 mA)
DRAIN
V
V
V
V
V
V
V
FBolp
FBbm
I
DDon
DDoff
FBlin
I
I
DD
DD1
DD0
DD
START- UP
FB
DD
current during start-up and burst mode
Power-on
NORMAL MODE
Doc ID 15455 Rev 5
FBlin
Normal operation
Dlim
BURST MODE
, by the feedback voltage, which settles
regulation is lost here
Power-off
Operation description
V
HV startup is no more activated
IN
< V
DRAIN_START
NORMAL MODE
t
t
t
t
V
time
time
time
time
FBbmhys
17/40