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PDF VIPER06 Data sheet ( Hoja de datos )
| Número de pieza | VIPER06 | |
| Descripción | Fixed-frequency VIPer plus family | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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VIPER06
Fixed-frequency VIPer™ plus family
Features
■ 800 V avalanche rugged power section
■ PWM operation with frequency jittering for low
EMI
■ Operating frequency:
– 30 kHz for VIPER06Xx
– 60 kHz for VIPER06Lx
– 115 kHz for VIPER06Hx
■ No need for an auxiliary winding in low-power
applications
■ Standby power < 30 mW at 265 VAC
■ Limiting current with adjustable set point
■ On-board soft-start
■ Safe auto-restart after a fault condition
■ Hysteretic thermal shutdown
Applications
■ Replacement of capacitive power supplies
■ Home appliances
■ Power metering
■ LED drivers
Description
The VIPER06 is an offline converter with an 800 V
avalanche rugged power section, a PWM
controller, a user-defined overcurrent limit, open-
loop failure protection, hysteretic thermal
protection, soft startup and safe auto-restart after
any fault condition. The device is able to power
itself directly from the rectified mains, eliminating
the need for an auxiliary bias winding. Advanced
frequency jittering reduces EMI filter cost. Burst
mode operation and the device’s very low power
consumption both help to meet the standards set
by energy-saving regulations.
Datasheet — production data
SSO10
DIP-7
Figure 1. Typical application
$# INPUT VOLTAGE
$# OUTPUT VOLTAGE
$2 !).
# /-0
6)0%2
'.$ 6$$ ,)- &"
!-V
March 2012
This is information on a product in full production.
Doc ID 022794 Rev 1
1/28
www.st.com
28
1 page  
VIPER06
3 Pin settings
Figure 3. Connection diagram (top view)
Pin settings
GND
VDD
LIM
FB
COMP
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
DRAIN
Note:
AM11339v1
The copper area for heat dissipation has to be designed under the DRAIN pins.
Table 2. Pin description
Pin
DIP-7 SSO10
Name
Function
1
1
GND
Connected to the source of the internal power MOSFET and controller
ground reference.
2
2
VDD
Supply voltage of the control section. This pin provides the charging
current of the external capacitor.
This pin allows setting the drain current limitation. The limit can be
3 3 LIM reduced by connecting an external resistor between this pin and GND.
Pin left open if default drain current limitation is used.
Inverting input of the internal transconductance error amplifier.
Connecting the converter output to this pin through a single resistor
4 4 FB results in an output voltage equal to the error amplifier reference
voltage (see VFB_REF in Table 6). An external resistor divider is
required for higher output voltages.
Output of the internal transconductance error amplifier. The
compensation network has to be placed between this pin and GND to
5
5
COMP
achieve stability and good dynamic performance of the voltage control
loop. The pin is used also to directly control the PWM with an
optocoupler. The linear voltage range extends from VCOMPL to
VCOMPH (Table 6).
High-voltage drain pins. The built-in high-voltage switched startup bias
7, 8 6-10 DRAIN current is drawn from these pins too.
Pins connected to the metal frame to facilitate heat dissipation.
Doc ID 022794 Rev 1
5/28
5 Page 
VIPER06
Typical electrical characteristics
Figure 10. ICOMP vs. TJ
IC O M P / I C OM P@ 2 5°C
1.08
1.04
1.00
0.96
0.92
0.88
0.84
0.80
-50
0
50
TJ [°C]
Figure 11. Operating supply current
(no switching) vs. TJ
100 150
AM01150v1
ID D 0 / I D D 0 @ 2 5°C
1.08
1.04
1.00
0.96
0.92
0.88
0.84
0.80
-50
0
50
TJ [°C]
100 150
AM01151v1
Figure 12. Operating supply current
(switching) vs. TJ
Figure 13. IDlim vs. RLIM
I D D 1 / ID D 1@ 2 5°C
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
-50
0
50
TJ [°C]
100 150
AM01152v1
1.10 ID lim / ID lim@ 10 0 KOhm
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0
20
40 60
Rlim [kOhm ]
80 100
AM01153v1
Figure 14. Power MOSFET on-resistance
vs. TJ
Figure 15. Power MOSFET breakdown voltage
vs. TJ
Doc ID 022794 Rev 1
11/28
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet VIPER06.PDF ] | |
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