VIPER25HN STMicroelectronics, VIPER25HN Datasheet - Page 18

IC OFFLINE CONV PWM OVP 7DIP

VIPER25HN

Manufacturer Part Number
VIPER25HN
Description
IC OFFLINE CONV PWM OVP 7DIP
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet

Specifications of VIPER25HN

Output Isolation
Isolated
Frequency Range
200 ~ 250kHz
Voltage - Input
8.5 ~ 23.5 V
Voltage - Output
800V
Power (watts)
24W
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
497-9073-5

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Operation description
18/40
Figure 24. Timing diagram: Start-up phase and soft start (case 1)
Figure 25. Timing diagram: Start-up phase and soft start (case 2)
I
DRAIN
I
V
V
DRAIN
V
V
V
V
V
FBolp
I
OUT
V
FBolp
FBlin
I
FBlin
OUT
Dlim
Dlim
FB
FB
Regulated value
Regulated value
t
SU
t
SS
t
SU
(start up phase)
t
(soft start)
SS
(start up phase)
(soft start)
Doc ID 15585 Rev 4
T
OLP-delay
VIPER25
t
t
t
t
t
t

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