VIPER22ASTR-E STMicroelectronics, VIPER22ASTR-E Datasheet - Page 2

• 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

Contents
Contents
1
2
3
4
5
6
7
8
2/21
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
1.2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin connections and function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1
4.2
4.3
4.4
4.5
Operation pictures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Rectangular U-I output characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Wide range of VDD voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Feedback pin principle of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Startup sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Overvoltage threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Doc ID 12050 Rev 2
VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E