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Número de pieza | VIPER100 | |
Descripción | SMPS PRIMARY I.C. | |
Fabricantes | STMicroelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de VIPER100 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
No Preview Available ! VIPer100/SP
® VIPer100A/ASP
SMPS PRIMARY I.C.
TYPE
VIPer100/SP
VIPer100A/ASP
VDSS
620V
700V
In RDS(on)
3 A 2.5 Ω
3 A 2.8 Ω
FEATURE
s ADJUSTABLE SWITCHING FREQUENCY UP
TO 200KHZ
s CURRENT MODE CONTROL
s SOFT START AND SHUT DOWN CONTROL
s AUTOMATIC BURST MODE OPERATION IN
STAND-BY CONDITION ABLE TO MEET
”BLUE ANGEL” NORM (<1W TOTAL POWER
CONSUMPTION)
s INTERNALLY TRIMMED ZENER
REFERENCE
s UNDERVOLTAGE LOCK-OUT WITH
HYSTERESIS
s INTEGRATED START-UP SUPPLY
s AVALANCHE RUGGED
s OVERTEMPERATURE PROTECTION
s LOW STAND-BY CURRENT
s ADJUSTABLE CURRENT LIMITATION
BLOCK DIAGRAM
10
PENTAWATT HV
1 PENTAWATT HV
PowerSO-10
(022Y)
DESCRIPTION
VIPer100™/100A, made using VIPower M0
Technology, combines on the same silicon chip a
state-of-the-art PWM circuit together with an
optimized high voltage avalanche rugged Vertical
Power MOSFET (620V or 700V / 3A).
Typical applications cover off line power supplies
with a secondary power capability of 50W in wide
range condition and 100W in single range or with
doubler configuration. It is compatible from both
primary or secondary regulation loop despite
using around 50% less components when
compared with a discrete solution. Burst mode
operation is an additional feature of this device,
offering the possibility to operate in stand-by
mode without extra components.
OSC
DRAIN
ON/OFF
OSCILLATOR
SECURITY
LATCH
PWM
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
25 0 ns
BLANKING
0 .5V
++ _
_
1 V/A
CURRENT
AMPLIFIER
May 1999
COMP
SOU RCE
1/20
1 page VIPer100/SP - VIPer100A/ASP
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 KΩ
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 (see fig. 1)
ICOMP = -400 µA
VDD = 14 V
ICOMP = 400 µA
VDD = 12 V
VCOMP = 2.5 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
Current Sense Delay
to turn-off
ID = 1 A
COMP pin open
Blanking Time
Minimum on T ime
Min.
0.7
3
Typ .
1
0.5
4
250
M a x.
1.3
5.3
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 VIPer100/SP - VIPer100A/ASP
Figure 13: Off Line Power Supply With Auxliary Supply 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
OSC
13V
-
+
DRAIN
U1
VIPer100
C5 COMP SOURCE
C6
C11
R3
FC00081
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
OSC
13V
-
+
DRAIN
U1
VIPer100
COMP SOURCE
C5
C6
C11
R3
R6
ISO1
R4
C8
U2
R5
FC00091
11/20
11 Page |
Páginas | Total 20 Páginas | |
PDF Descargar | [ Datasheet VIPER100.PDF ] |
Número de pieza | Descripción | Fabricantes |
VIPER100 | SMPS PRIMARY I.C. | STMicroelectronics |
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VIPer100A | SMPS PRIMARY I.C. | STMicroelectronics |
VIPer100ASP | SMPS PRIMARY I.C. | STMicroelectronics |
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