VIPER27LN STMicroelectronics, VIPER27LN Datasheet - Page 9

• Manufacturer Part Number: VIPER27LN
• Description: IC OFFLINE CONV PWM OVP 8DIP
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of VIPER27LN

• Output Isolation: Isolated
• Frequency Range: 54 ~ 66kHz
• 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
• 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: 497-9084 - EVAL BOARD FOR VIPER27LX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8390-5

VIPER27
Note:
Figure 4.
Figure 5.
Figure 6.
Adjust V
14 V
DD
14 V
14 V
above V
Minimum turn-on time test circuit
Brown out threshold test circuit
OVP threshold test circuit
3.5 V
DDon
2 V
GND
VDD
CONT
FB
start-up threshold before settings to 14 V
2 V
GND
VDD
CONT
FB
DRAIN
DRAIN
Doc ID 15133 Rev 5
BR
GND
VDD
CONT
FB
DRAIN
DRAIN
I BRhyst
BR
DRAIN
DRAIN
BR
50 Ω
30 V
10 kΩ
10 kΩ
30 V
30 V
V BRth +V BRhyst
90 %
10 %
I DLIM
V DRAIN
I BRhyst
V OVP
V BRth
V DIS
V CONT
I DRAIN
I DRAIN
V BR
I BR
V DRAIN
T ONmin
Electrical data
Time
Time
Time
Time
Time
Time
Time
9/31