VIPER12AS-E STMicroelectronics, VIPER12AS-E Datasheet - Page 12

• Manufacturer Part Number: VIPER12AS-E
• Description: IC OFFLINE SWIT PWM SMPS 8SOIC
• Manufacturer: STMicroelectronics
• Series: VIPER™r
• Type: SMPS Primary Switcherr

Specifications of VIPER12AS-E

• Output Isolation: Isolated
• Frequency Range: 54 ~ 66kHz
• Voltage - Input: 8 ~ 50 V
• Voltage - Output: 730V
• Power (watts): 5W
• Operating Temperature: 25°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Number Of Outputs: 1
• Switching Frequency: 60 KHz
• Operating Supply Voltage: 9 V to 38 V
• Mounting Style: SMD/SMT
• Output Power: 8 W
• Supply Current: 3 mA
• For Use With: 497-6413 - BOARD EVAL VIPER12A LP AC/DC497-5084 - EVAL BOARD TRAVEL ADAPTOR 3.6W497-5082 - EVAL BOARD FLYBACK PWR SUPPLY 6W497-4932 - BOARD POWER SUPPLY 1.8W VIPER12A497-4931 - BOARD 6W DUAL OUTPUT VIPER12A497-4930 - BOARD 6W SINGLE OUTPUT VIPER12A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6791-5; VIPER12AS-E

Overvoltage threshold
8
12/21
Overvoltage threshold
An overvoltage detector on the V
exceeds V
overvoltage event. Note that this event is only latched for the time needed by V
V
Figure 8.
DDoff
, and then the device resumes normal operation automatically.
DDovp
Overvoltage sequence
V
V
V
V
V
DDovp
DDoff
DDon
. This is illustrated in
DD
DS
Doc ID 11977 Rev 2
DD
pin allows the VIPER12A to reset itself when V
Figure
8., which shows the whole sequence of an
t
t
VIPER12A-E
DD
to reach
DD