VIPER15HN STMicroelectronics, VIPER15HN Datasheet - Page 30

IC OFFLINE CONV PWM OVP 16SOIC

VIPER15HN

Manufacturer Part Number
VIPER15HN
Description
IC OFFLINE CONV PWM OVP 16SOIC
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet

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
Part Number:
VIPER15HN
Quantity:
54 000
Part Number:
VIPER15HN
Manufacturer:
ST
0
Operation description
30/40
Equation 11
The R
page
The C
Equation 8 on page 29
considered instead of C
satisfy, in all case, the loop stability and the enough OLP delay time alike.
Figure 34. FB pin configuration (option 1)
Figure 35. FB pin configuration (option 2)
8.
FB1
FB(DYN)
capacitor fixes the OLP delay and usually C
is the dynamic resistance seen by the FB pin and reported on
Rfb1
Cfb1
FB
can be still used to calculate the OLP delay time but C
. Using the alternative compensation network, the designer can
Cfb
Cfb
f
PFB
Doc ID 15455 Rev 5
1
=
2
⋅ π
CONTROL
CONTROL
PWM
PWM
C
FB
REFERENCES
REFERENCES
BURST-MODE
BURST-MODE
1
(
R
1
FB
1
4.8V
4.8V
+
FB1
R
OLP comparator
FB
OLP comparator
(
results much higher than C
DYN
BURST-MODE
BURST-MODE
PWM
PWM
From sense FET
+
+
From sense FET
+
+
-
-
-
-
LOGIC
LOGIC
)
)
To disable logic
To disable logic
To PWM Logic
To PWM Logic
BURST
BURST
Table 8 on
FB1
has to be
VIPER15
FB
. The

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