VIPER22AS STMicroelectronics, VIPER22AS Datasheet - Page 4

• Manufacturer Part Number: VIPER22AS
• Description: IC OFFLINE SWIT PWM SMPS 8SOIC
• Manufacturer: STMicroelectronics
• Series: VIPER™r

Specifications of VIPER22AS

• 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)
• 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 LED
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3287-5

VIPer22ADIP / VIPer22AS
ELECTRICAL CHARACTERISTICS (T
SUPPLY SECTION
Note: 1. These test conditions obtained with a resistive load are leading to the maximum conduction time of the device.
OSCILLATOR SECTION
PWM COMPARATOR SECTION
OVERTEMPERATURE SECTION
4/15
Symbol
Symbol
Symbol
Symbol
V
V
t
T
V
V
I
I
D
F
ONmin
I
I
I
DDhyst
I
DDch
DDoff
DDovp
R
T
G
FBsd
HYST
DDoff
DDon
DD0
DD1
Dlim
OSC
RST
t
t
SD
FB
d
b
ID
Start Up Charging
Current
Start Up Charging
Current
in Thermal Shutdown
Operating Supply Current
Not Switching
Operating Supply Current
Switching
Restart Duty Cycle
V
Shutdown Threshold
V
V
Hysteresis
V
Threshold
Oscillator Frequency
Total Variation
I
Peak Current Limitation
I
FB Pin Input Impedance
Current Sense Delay to
Turn-Off
Blanking Time
Minimum Turn On Time
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
FB
FB
DD
DD
DD
DD
to I
Shutdown Current
Undervoltage
Start Up Threshold
Threshold
Overvoltage
D
Parameter
Parameter
Parameter
Parameter
Current Gain
V
V
T
I
I
V
V
I
I
FB
FB
D
D
j
DS
DD
DD
FB
=0mA
=0.4A
> T
=2mA
=0.5mA; I
j
=0V
=100V; V
=25°C, V
=5V; V
=V
SD
DDoff
- T
DS
HYST
Test Conditions
Test Conditions
Test Conditions
Test Conditions
... 35V; T
D
DD
=100V
=50mA
DD
=0V ...V
=18V, unless otherwise specified)
j
=0 ... 100°C
DDon
(See fig. 2 & 3)
(See fig. 2 & 3)
(See fig. 2)
(See fig. 3)
(See fig. 2)
(See fig. 4)
(See fig. 4)
(See fig. 4)
(See fig. 4)
(See fig. 5)
(See fig. 5)
(Note 1)
Min.
Min.
Min.
0.56
Min.
140
5.8
13
38
54
0
7
Typ.
Typ.
Typ.
Typ.
14.5
560
200
500
700
170
4.5
6.5
0.7
0.9
1.2
16
42
60
40
-1
3
8
Max.
Max.
Max.
Max.
0.84
7.2
16
46
66
5
9
Unit
Unit
Unit
Unit
kHz
mA
mA
mA
mA
mA
k
°C
°C
ns
ns
ns
%
V
V
V
V
A