VIPER28HN STMicroelectronics, VIPER28HN Datasheet - Page 8

• Manufacturer Part Number: VIPER28HN
• Description: IC OFFLINE CONV PWM OVP 8DIP
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of VIPER28HN

• Output Isolation: Isolated
• Frequency Range: 103 ~ 127kHz
• 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: 497-8391-5

Electrical data
Table 8.
8/32
Over-current protection (2
Over-voltage protection
Extra power management
Thermal shutdown
V
V
I
T
EPT(RESTART)
DLIM_EPT
Symbol
EPT(STOP)
T
I
STROBE
V
DMAX
I
T
HYST
EPT
OVP
SD
Controller section (continued)
Second over-current threshold
Over-voltage protection threshold
Over-voltage protection strobe time
Drain current limit with EPT function
EPT shut down threshold
EPT restart threshold
Sourced EPT current
Thermal shutdown temperature
Thermal shutdown hysteresis
Parameter
nd
OCP)
Doc ID 15028 Rev 4
Test condition
I
I
CONT
CONT
T
J
= 25 °C
< -10 μA
< -10 μA
Min
150
2.7
IDlim
85%
Typ
160
1.2
2.2
0.6
30
3
4
5
Max
3.3
VIPER28
Unit
μA
°C
us
°C
A
V
A
V
V