VIPER16 STMicroelectronics, VIPER16 Datasheet

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VIPER16

Manufacturer Part Number
VIPER16
Description
VIPerPlus family: fixed frequency high performance off line high voltage converter
Manufacturer
STMicroelectronics
Datasheet

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Features
Application
Table 1.
October 2011
800 V avalanche rugged power section
PWM operation with frequency jittering for low
EMI
Operating frequency:
– 60 kHz for L type
– 115 kHz for H type
No need of auxiliary winding for low power
application
Standby power < 50 mW at 265 V
Limiting current with adjustable set point
On-board soft-start
Safe auto-restart after a fault condition
Hysteretic thermal shutdown
Replacement of capacitive power supply
Auxiliary power supply for appliances,
Power metering
LED drivers
VIPER16HDTR
VIPER16LDTR
Order codes
VIPER16HN
VIPER16HD
VIPER16LN
VIPER16LD
Device summary
AC
Doc ID 15232 Rev 5
SO16 narrow
Package
Fixed frequency VIPer
DIP-7
Description
The device is an off-line converter with an 800 V
avalanche ruggedness power section, a PWM
controller, user defined overcurrent limit,
protection against feedback network
disconnection, hysteretic thermal protection, soft
start up and safe auto restart after any fault
condition. It is able to power itself directly from the
rectified mains, eliminating the need for an
auxiliary bias winding.
Advance frequency jittering reduces EMI filter
cost. Burst mode operation and the devices very
low consumption both help to meet the standard
set by energy saving regulations.
Figure 1.
SO16 narrow
SO-16
Typical application
Tape and reel
Tape and reel
Packaging
TM
Tube
Tube
Tube
VIPER16
plus family
DIP-7
www.st.com
1/25
25

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VIPER16 Summary of contents

Page 1

... LED drivers Table 1. Device summary Order codes VIPER16LN VIPER16HN VIPER16HD VIPER16HDTR VIPER16LD VIPER16LDTR October 2011 Fixed frequency VIPer SO16 narrow SO-16 Description The device is an off-line converter with an 800 V avalanche ruggedness power section, a PWM controller, user defined overcurrent limit, protection against feedback network ...

Page 2

Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

... Block diagram Figure 2. Block diagram 2 Typical power Table 2. Typical power Part number VIPER16 1. Typical continuous power in non ventilated enclosed adapter measured Maximum practical continuous power in an open frame design at 50 sinking. 230 V AC (1) (2) Adapter Open frame Doc ID 15232 Rev 5 ...

Page 4

Pin settings Figure 3. Connection diagram (top view) Note: The copper area for heat dissipation has to be designed under the DRAIN pins. Table 3. Pin description Pin N. DIP-7 SO16 1 1 ...

Page 5

Electrical data 4.1 Maximum ratings Table 4. Absolute maximum ratings Pin Symbol (DIP- Drain-to-source (ground) voltage DRAIN Repetitive avalanche energy (limited Repetitive avalanche current (limited by T ...

Page 6

Electrical characteristics (T = -25 to 125 ° Table 6. Power section Symbol Parameter V Break-down voltage BVDSS I OFF state drain current OFF R Drain-source on state resistance DS(on) C Effective (energy related) output capacitance V ...

Page 7

... ° GND FB V > 100 GND GND COMP FB = -10 μ 3.3 V, LIM COMP ° COMP COMPL VIPer16L VIPer16H kHz OSC F = 115 kHz OSC Doc ID 15232 Rev 5 Min Typ Max Unit 3.2 3.3 3.4 V μ mA/V 0 1.1 1 V/A Ω ...

Page 8

Typical electrical characteristics Figure 4. IDlim Figure DRAIN_START Figure 8/25 Figure 5. Figure 7. J Figure 9. Doc ID 15232 Rev OSC ...

Page 9

Figure 10 COMP J Figure 12. Operating supply current (switching Figure 14. Power MOSFET on-resistance vs T Figure 11. Operating supply current (no switching Figure 13. IDlim vs R Figure 15. Power ...

Page 10

Figure 16. Thermal shutdown DDon V DDCSon V DDoff I DRAIN HYST Normal operation 10/25 Shut down after over temperature Doc ID 15232 Rev 5 time time time Normal ...

Page 11

Typical circuit Figure 17. Buck converter Figure 18. Buck boost converter Doc ID 15232 Rev 5 11/25 ...

Page 12

Figure 19. Flyback converter (primary regulation) Figure 20. Flyback converter (non isolated) 12/25 Doc ID 15232 Rev 5 ...

Page 13

... V threshold, sourcing a I DRAIN_START voltage reaches the V voltage current generator is turned OFF. The VIPer16 is powered by the energy stored in the V capacitor steady state condition, if the self biasing function is used, the high voltage current ...

Page 14

... Oscillator The switching frequency is internally fixed at 60 kHz (part number VIPER16LN or LD) or 115 kHz (part number VIPER16HN or HD). In both cases the switching frequency is modulated by approximately ±4 kHz (60 kHz version) or ±8 kHz (115 kHz version) at 230 Hz (typical) rate, so that the resulting spread- ...

Page 15

FB pin and COMP pin The device can be used both in non-isolated and in isolated topology. In case of non- isolated topology, the feedback signal from the output voltage is applied directly to the FB pin as inverting ...

Page 16

Figure 23. COMP pin voltage versus I 13 Burst mode When the voltage V OFF state and the consumption is reduced to I page 6. As reaction at the energy delivery stop, the exceeds the threshold V ...

Page 17

Automatic auto restart after overload or short-circuit The overload protection is implemented in automatic way using the integrated up-down counter. Every cycle incremented or decremented depending if the current logic detects the limit condition or not. The ...

Page 18

... Open loop failure protection In case the power supply is built in fly-back topology and the VIPer16 is supplied by an auxiliary winding, as shown in converter is protected against feedback loop failure or accidental disconnections of the winding. The following description is applicable for the schematics of Figure 28 on page opened or R ...

Page 19

Figure 28. FB pin connection for isolated fly-back C VDD V REF R COMP SW BUS Disabled REF_FB COMP C COMP Doc ID 15232 Rev AUX AUX V COMPL + PWM stop ...

Page 20

Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

Page 21

Figure 29. DIP-7 package dimensions Doc ID 15232 Rev 5 21/25 ...

Page 22

Table 10. SO16N mechanical data Dim ccc 22/25 mm Min Typ 0.1 1.25 0.31 0.17 9.8 9.9 5.8 6 3.8 3.9 1.27 0.25 0.4 0 Doc ID 15232 ...

Page 23

Figure 30. SO16N Package dimensions Doc ID 15232 Rev 5 23/25 ...

Page 24

Revision history s Table 11. Document revision history Date 21-Jan-2009 07-Dec-2009 14-May-2010 26-Aug-2010 10-Oct-2011 24/25 Revision 1 Initial release 2 Updated Figure 7 on page 8 3 Updated Figure 3 on page 4 Updated Table 3 on page 4 ...

Page 25

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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