VIPER22ASTR-E STMicroelectronics, VIPER22ASTR-E Datasheet - Page 13

• Manufacturer Part Number: VIPER22ASTR-E
• Description: IC OFFLINE SWIT PWM SMPS 8SOIC
• Manufacturer: STMicroelectronics
• Series: VIPER™r

Specifications of VIPER22ASTR-E

• Output Isolation: Isolated
• Frequency Range: 54 ~ 66kHz
• Voltage - Input: 8 ~ 50 V
• Voltage - Output: 730V
• Power (watts): 7W
• Operating Temperature: 25°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Dc: 1036
• For Use With: 497-9049 - BOARD EVAL BASED VIPER22ASTR-E497-8215 - BOARD EVAL BASED ON VIPER22A497-5864 - EVAL BOARD DUAL OUTPUT VIPER22A497-5071 - EVAL BOARD DIMMABLE HB PWR LEDVIPER22-LED-EV - VIPER LED POWER SUPPLY
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8167-2; VIPER22ASTR-E

VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E
5
Operation pictures
Figure 9.
Figure 10. Start-up V
Figure 11. Restart duty-cycle
V
V
V
DDoff
DDon
V
DD
10%
90%
DS
I
D
Rise and fall time
t
fv
D RST
I
DD
I
DDch
t
DD
CH
I
DD0
=
current
-------------------------- -
t
ST
t
V
ST
+
DDhyst
Doc ID 12050 Rev 2
t
V
CH
DDoff
t
ST
t
rv
t
t
V
t
DDon
10 F
100 V≤ V
F
sw
VIPer22A
FB
= 0 kHz
VDD
2V
CONTROL
C << Coss
DS
≤ 400 V
FB
VIPer22A
V
VDD
SOURCE
CONTROL
DD
DRAIN
C
Operation pictures
L
SOURCE
DRAIN
D
13/21
100V
300V