VIPER12ADIP-E STMicroelectronics, VIPER12ADIP-E Datasheet

IC OFFLINE SWIT PWM SMPS CM 8DIP

VIPER12ADIP-E

Manufacturer Part Number
VIPER12ADIP-E
Description
IC OFFLINE SWIT PWM SMPS CM 8DIP
Manufacturer
STMicroelectronics
Series
VIPER™r
Type
Pulse Width Modulator Controllerr
Datasheets

Specifications of VIPER12ADIP-E

Output Isolation
Isolated
Frequency Range
54 ~ 66kHz
Voltage - Input
8 ~ 50 V
Voltage - Output
730V
Power (watts)
8W
Operating Temperature
25°C ~ 125°C
Package / Case
8-DIP (0.300", 7.62mm)
Current, Supply
4.5 mA
Frequency, Oscillator
60 kHz
Package Type
DIP-8
Regulator Type
Switching
Resistance, Thermal, Junction To Case
15 °C/W
Temperature, Operating, Range
-40 to +150 °C
Time, Fall
100 ns
Time, Rise
50 ns
Voltage, Supply
18 V
Output Voltage
38 V
Output Power
5 W
Input Voltage
0 V to 50 V
Switching Frequency
60 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
Through Hole
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
497-5575-5
VIPER12ADIP-E

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VIPER12ADIP-E==ST
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0
Features
Description
The VIPer12A combines a dedicated current
mode PWM controller with a high voltage Power
MOSFET on the same silicon chip.
Block diagram
Fixed 60kHZ Switching Frequency
9V to 38V Wide Range V
Current Mode Control
Auxiliary Undervoltage Lockout with Hysteresis
High Voltage Start-up Current Source
Overtemperature, Overcurrent and
Overvoltage Protection with Auto-Restart
Typical power capability
– European (195 - 265 Vac) 8W for SO-8,
– European (85 - 265 Vac) 5W for SO-8,
13W for DIP-8
8W for DIP-8
VDD
FB
8/14.5V
42V
REGULATOR
INTERNAL
SUPPLY
_
+
+
_
DD
ON/OFF
Voltage
Low Power OFF-Line SMPS Primary Switcher
S
OVERTEMP.
DETECTOR
FF
R
Q
OVERVOLTAGE
LATCH
OSCILLATOR
R1
R2
60kHz
R3
FF
S
Typical applications cover off line power supplies
for battery charger adapters, standby power
supplies for TV or monitors, auxiliary supplies for
motor control, etc.
The internal control circuit offers the following
benefits:
R4
Q
– Large input voltage range on the V
– Automatic burst mode in low load condition.
– Overvoltage protection in HICCUP mode.
LATCH
PWM
accommodates changes in auxiliary supply
voltage. This feature is well adapted to
battery charger adapter configurations.
BLANKING
SO-8
VIPer12ADIP - E
VIPer12AS - E
+
_
0.23 V
1 kΩ
DIP-8
230 Ω
SOURCE
DRAIN
DD
pin
1/21
21

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VIPER12ADIP-E Summary of contents

Page 1

... This feature is well adapted to battery charger adapter configurations. – Automatic burst mode in low load condition. – Overvoltage protection in HICCUP mode. ON/OFF 60kHz OSCILLATOR PWM S LATCH OVERTEMP DETECTOR BLANKING OVERVOLTAGE LATCH VIPer12ADIP - E VIPer12AS - E SO-8 DIP-8 DD DRAIN + _ 0.23 V 230 Ω 1 kΩ SOURCE pin 1/21 21 ...

Page 2

... VIPer12ADIP Electrical data 1.1 Maximum rating Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied ...

Page 3

... Figure 9 on page 13 5V 100V > HYST I = 2mA 0.5mA 50mA FB D Note 2 (See Figure 10 on page 13) (See Figure 9, Figure 10 on page 13) (See Figure 9, Figure 10 on page 13)) (See Figure 9 on page 13) VIPer12ADIP Min. Typ. Max. Unit 730 V 0 Ω 100 Min. Typ. Max. Unit - 4 ...

Page 4

... VIPer12ADIP Table 5. Oscillation section Symbol Parameter Oscillator frequency F OSC total variation Table 6. PWM Comparator section Symbol Parameter Peak current I Dlim limitation I I Shutdown current (See FBsd FB FB Pin input R FB impedance Current sense delay turn-OFF t Blanking time b Minimum Turn-ON t ONmin time Table 7 ...

Page 5

... VIPer12ADIP Table 10. DIP8 Mechanical Data Ref Package Weight Figure 15. Package Dimensions Dimensions Databook (mm) Nom. Min 0.38 2.92 3.30 0.36 0.46 1.14 1.52 0.20 0.25 9.02 9.27 7.62 7.87 6.10 6.35 2.54 7.62 2.92 3.30 Gr. 470 Mechanical Data Max 5.33 4.95 0.56 1 ...

Page 6

... VIPer12ADIP Order codes Table 12. Order codes Part Number VIPER12ASTR-E VIPer12AS - E VIPer12ADIP - E Package SO-8 Tape and Reel SO-8 DIP-8 Order codes Shipment Tube Tube 19/21 ...

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