VIPER12AS STMicroelectronics, VIPER12AS Datasheet - Page 6

• Manufacturer Part Number: VIPER12AS
• Description: IC OFFLINE SWIT PWM SMPS 8SOIC
• Manufacturer: STMicroelectronics
• Series: VIPER™r

Specifications of VIPER12AS

• 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)
• For Use With: 497-6413 - BOARD EVAL VIPER12A LP AC/DC497-4932 - BOARD POWER SUPPLY 1.8W VIPER12A497-4931 - BOARD 6W DUAL OUTPUT VIPER12A497-4930 - BOARD 6W SINGLE OUTPUT VIPER12A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3102

VIPer12ADIP / VIPer12AS
Figure 4 : Peak Drain Current Vs. Feedback Current
Figure 5 : Thermal Shutdown
6/15
V
V
I
The drain current limitation is
obtained for VFB = 0 V, and a
negative current is drawn from
the FB pin. See the Application
section for further details.
DDon
Dpeak
T
DD
T
SD
I
D
j
1/F
OSC
T
HYST
I
FBsd
Automatic
start up
R
FB
I
V
Dpeak
0
FB
I
Dlim
t
t
t
18V
G ID
=
I
FB
–
---------------------- -
I
Dpea k
I FB
47nF
I
FBsd
FB
VIPer12A
VDD
CONTROL
I
I
FB
FB
SOURCE
DRAIN
4mH
100V
100V