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PDF VIPER53DIP Data sheet ( Hoja de datos )

Número de pieza VIPER53DIP
Descripción OFF LINE PRIMARY SWITCH
Fabricantes STMicroelectronics 
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No Preview Available ! VIPER53DIP Hoja de datos, Descripción, Manual

VIPer53DIP
® VIPer53SP
OFF LINE PRIMARY SWITCH
TYPICAL OUTPUT POWER CAPABILITY
TYPE
European US / Wide range
(195 - 265 Vac) (85 - 265 Vac)
DIP-8
50W
30W
PowerSO-10
65W
40W
Note: Above power capabilities are given under adequate
thermal conditions
DIP-8
10
1
PowerSO-10
FEATURES
n SWITCHING FREQUENCY UP TO 300 kHz
DESCRIPTION
n CURRENT LIMITATION
The VIPer53 combines in the same package an
n CURRENT MODE CONTROL WITH
ADJUSTABLE LIMITATION
n SOFT START AND SHUT DOWN CONTROL
n AUTOMATIC BURST MODE IN STAND-BY
CONDITION (“BLUE ANGEL” COMPLIANT)
n UNDERVOLTAGE LOCKOUT WITH
enhanced current mode PWM controller with a
high voltage MDMesh Power Mosfet. Typical
applications cover off line power supplies with a
secondary power capability ranging up to 30W in
wide range input voltage or 50W in single
European voltage range and DIP-8 package, with
the following benefits:
HYSTERESIS
– Overload and short circuit controlled by
n HIGH VOLTAGE STARTUP CURRENT
SOURCE
n OVERTEMPERATURE PROTECTION
feedback monitoring and delayed device reset.
www.DataSheet4U.cEomfficient standby mode by enhanced pulse
skipping.
n OVERLOAD AND SHORT-CIRCUIT CONTROL – Primary regulation or secondary loop failure
protection through high gain error amplifier.
BLOCK DIAGRAM
VDD
UVLO
COMPARATOR
8.4/
11.5V
15V
ERROR
AMPLIFIER
OVERVOLTAGE
COMPARATOR
18V
OSC
ON/OFF
OSCILLATOR
OVERTEMP.
DETECTOR
PWM
LATCH
R1 S
FF Q
R2
R3 R4 R5
0.5V
STANDBY
COMPARATOR
4.35V
OVERLOAD
COMPARATOR
DRAIN
BLANKING TIME
SELECTION
150/400ns
BLANKING
PWM
COMPARATOR
4V 8V
125k
1V
0.5V
HCOMP
CURRENT
AMPLIFIER
4.5V
TOVL
COMP
SOURCE
June 2004
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1 page




VIPER53DIP pdf
VIPer53DIP / VIPer53SP
ELECTRICAL CHARACTERISTICS (Tj=25°C, VDD=13V, unless otherwise specified)
SUPPLY SECTION
Symbol
Parameter
Test Conditions
Min. Typ.
VDSstart
Drain Voltage Starting
Threshold
VDD=5V; IDD=0mA
34
IDDch1 Startup Charging Current VDD=0 ... 5V; VDS=100V (See figure 2)
-12
IDDch2 Startup Charging Current VDD=10V; VDS=100V
(See figure 2)
-2
IDDchoff
Startup Charging Current VDD=5V; VDS=100V
in Thermal Shutdown
Tj > TSD - THYST
(See figure 5)
0
IDD0
Operating Supply Current
Not Switching
Fsw=0kHz; VCOMP=0V
8
IDD1
Operating Supply Current
Switching
Fsw=100kHz
9
VDDoff
VDD Undervoltage
Shutdown Threshold
(See figure 2)
7.5 8.4
VDDon VDD Startup Threshold (See figure 2)
10.2 11.5
VDDhyst
VDD Threshold
Hysteresis
(See figure 2)
2.6 3.1
VDDovp
VDD Overvoltage
Shutdown Threshold
(See figure 7)
17 18
Max.
50
11
9.3
12.8
19
Unit
V
mA
mA
mA
mA
mA
V
V
V
V
ERROR AMPLIFIER SECTION
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDDreg VDD Regulation Point
ICOMP=0mA
(See figure 3) 14.5 15 15.5
V
VDDreg
VDD Regulation Point
Total Variation
ICOMP=0mA; Tj=0 ... 100°C
2%
GBW Unity Gain Bandwidth
From Input =VDD to Output = VCOMP
ICOMP=0mA
(See figure 10)
700
kHz
AVOL Voltage Gain
ICOMP=0mA
(See figure 10) 40
45
dB
Gm DC Transconductance VCOMP=2.5V
(See figure 3) 1
1.4 1.8 mS
VCOMPlo Output Low Level
ICOMP=-0.4mA; VDD=16V
0.2 V
VCOMPhi Output High Level
ICOMP=0.4mA; VDD=14V (See note 6)
4.5
V
ICOMPlo Output Sinking Current VCOMP=2.5V; VDD=16V (See figure 3)
-0.6
mA
ICOMPhi Output Sourcing Current VCOMP=2.5V; VDD=14V (See figure 3)
0.6
mA
Note 6. In order to insure a correct stability of the error amplifier, a capacitor of 10nF (minimum value: 8nF) should always be present on
the COMP pin.
5/24

5 Page





VIPER53DIP arduino
Figure 12: Typical Frequency Variation vs. Junction Temperature
VIPer53DIP / VIPer53SP
Normalised Frequency
1.04
1.02
1
0.98
0.96
-20 0 20 40 60 80 100 120
Temperature (°C)
Figure 13: Typical Current Limitation vs. Junction Temperature
Normalised IDlim
1.04
1.02
1
0.98
0.96
-20 0 20 40 60 80 100 120
Temperature (°C)
11/24

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