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PDF VIPer50BSP Data sheet ( Hoja de datos )

Número de pieza VIPer50BSP
Descripción SMPS PRIMARY I.C.
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! VIPer50BSP Hoja de datos, Descripción, Manual

VIPer50B
® VIPer50BSP
TYPE
VIPer50B/BSP
VDSS
400 V
In RDS(on)
3 A 2.2
SMPS PRIMARY I.C.
TARGET DATA
10
PENTAWATT HV
1 PENTAWATT HV
FEATURE
s ADJUSTABLE SWITCHING FREQUENCY UP
PowerSO-10
(022Y)
TO 200KHZ
s CURRENT MODE CONTROL
DESCRIPTION
s SOFT START AND SHUT DOWN CONTROL
VIPer50B made using VIPower M0 Technology
s AUTOMATIC BURST MODE OPERATION IN
combines on the same silicon chip a
STAND-BY CONDITION ABLE TO MEET
state-of-the-art PWM circuit together with an
”BLUE ANGEL” NORM (<1W TOTAL POWER optimized high voltage avalanche rugged Vertical
CONSUMPTION)
Power MOSFET (400 V / 3 A). Typical
s INTERNALLY TRIMMED ZENER
applications cover off line power supplies with a
REFERENCE
secondary power capability of 50W in a US mains
s UNDERVOLTAGE LOCK-OUT WITH
lines configuration. It is compatible from both
HYSTERESIS
primary or secondary regulation loop despite
s INTEGRATED START-UP SUPPLY
usingwww.DataSheet4U.com around 50% less components when
s AVALANCHE RUGGED
compared with a discrete solution. Burst mode
s OVERTEMPERATURE PROTECTION
operation is an additional feature of this device,
s LOW STAND-BY CURRENT
offering the possibility to operate in stand-by
s ADJUSTABLE CURRENT LIMITATION
mode without extra components.
BLOCK DIAGRAM
OSC
DRAIN
ON/OFF
OSCILLATOR
SECURITY PWM
LATCH
LATCH
VDD
UVLO
LOGIC
FF
R/S Q
S
R1 FF Q
S R2 R3
OVERTEMP.
DETECTOR
0.5 V +
_
ERROR
_ AMPLIFIER
13 V +
4.5 V
1.7 µ s
DELAY
250 ns
BLANKING
0.5V
++ _
_
1 V/A
CURRENT
AMPLIFIER
COMP
SOURCE
December 1999
1/20

1 page




VIPer50BSP pdf
VIPER50B/BSP
ELECTRICAL CHARACTERISTICS (continued)
OSCILLATOR SECTION
Symb ol
FSW
V OSC ih
VOSCi l
Parameter
Oscillator Frequency
Total Variation
Oscillator Peak Voltage
Oscillator Valley Voltage
T est Con ditio ns
RT = 8.2 K
CT =2.4 nF
VDD = 9 to15 V
with RT ± 1%
CT ± 5%
(see fig.6 and fig.9)
Min.
90
Typ .
100
M a x.
110
Un it
KHz
7.1 V
3.7 V
ERROR AMPLIFIER SECTION
Symb ol
VDDreg
VDDreg
GBW
P a ram et er
VDD Regulation Point
Total Variation
Unity Gain Bandwidth
A VOL
Gm
V COMPL O
V C OM PHI
ICOMPLO
I CO MP HI
Open Loop Voltage
Gain
DC Transconductance
Output Low Level
Output High Level
Output Low Current
Capability
Output High Current
Capability
Test Conditions
ICOMP = 0 mA (see f ig.1)
TJ = 0 to 100 oC
From Input = VDD t o O utput = VCOMP
COMP pin is open (see fig. 10)
COMP pin is open (see fig. 10)
VCOMP = 2.5 V
ICOMP = -400 µA
ICOMP = 400 µA
VCOMP = 2.5 V
(see fig. 1)
VDD = 14 V
VDD = 12 V
VDD = 14 V
VCOMP = 2.5 V
VDD = 12 V
Min.
12.6
45
1.1
Typ .
13
2
150
52
1.5
0.2
4.5
-600
600
M a x.
13.4
Unit
V
%
KHz
dB
1.9 mA/V
V
V
µA
µA
PWM COMPARATOR SECTION
Symb ol
HID
VCOMPo f f
IDpeak
td
tb
ton( mi n)
P a ram et er
Test Conditions
VCOMP /IDpea k
VCOMP = 1 to 3 V
VCOMP off set
IDpeak = 10 mA
Peak Current Limitat ion VDD = 12 V COMP pin open
Current Sense Delay
to turn-off
ID = 0.5 A
Blanking Time
Minimum on T ime
Min.
0.7
3
Typ .
1
0.5
4
250
M a x.
1.3
5.4
Unit
V/A
V
A
ns
250 360
350
ns
ns
SHUTDOWN AND OVERTEMPERATURE SECTION
Symb ol
V COMP th
tDI Ss u
Ttsd
Thyst
P a ram et er
Restart threshold
Disable Set Up Time
Thermal Shutdown
Temperature
Thermal Shutdown
Hy s t e re s is
Test Conditions
(see fig. 4)
(see fig. 4)
(see fig. 8)
(see fig. 8)
Min.
140
Typ .
0.5
1.7
170
M a x.
5
Unit
V
µs
oC
40 oC
5/20

5 Page





VIPer50BSP arduino
VIPER50B/BSP
Figure 13: Off Line Power Supply With Auxiliary Supply Feedback
AC IN
F1
TR2
C1
R9
BR1
C2
D3
C4
D1
R1
C3
R7
TR1
D2
C7
C10
L2
C9
R2
VDD
OSC
13V
-
+
DRAIN
VIPer50B
C5 COMP SOURCE
C6
C11
R3
FC00301
+Vcc
GND
Figure 14: Off Line Power Supply With Optocoupler Feedback
AC IN
F1
TR2
C1
R9
BR1
C2
D3
C4
D1
R1
C3
R7
TR1
D2
C7
C10
L2
C9
+Vcc
GND
R2
VDD
DRAIN
OSC
13V
-
+
VIPer50B
COMP SOURCE
C5
C6
C11
R3
R6
ISO1
R4
C8
U2
R5
FC00311
11/20

11 Page







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