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PDF VIPer20ADIP Data sheet ( Hoja de datos )
| Número de pieza | VIPer20ADIP | |
| Descripción | SMPS PRIMARY I.C. | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de VIPer20ADIP (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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VIPer20/SP/DIP
® VIPer20A/ASP/ADIP
SMPS PRIMARY I.C.
TYPE
VIPer20/SP/DIP
V I Per2 0A/ A SP/ AD IP
V DSS
6 20V
7 00V
In
0.5 A
0.5 A
RDS(on)
16 Ω
18 Ω
PENTAWATT HV PENTAWATT HV (022Y)
FEATURE
s ADJUSTABLE SWITCHING FREQUENCY UP
TO 200KHZ
10
s CURRENT MODE CONTROL
s SOFT START AND SHUT DOWN CONTROL
s AUTOMATIC BURST MODE OPERATION IN
1
PowerSO-10
DIP-8
STAND-BY CONDITION ABLE TO MEET
”BLUE ANGEL” NORM (<1W TOTAL POWER
CONSUMPTION)
s INTERNALLY TRIMMED ZENER
REFERENCE
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 / 0.5A).
s UNDERVOLTAGE LOCK-OUT WITH
Typical applications cover off line power supplies
HYSTERESIS
with a secondary power capability of 10W in wide
s INTEGRATED START-UP SUPPLY
rangewww.DataSheet4U.com condition and 20W in single range or with
s AVALANCHE RUGGED
doubler configuration. It is compatible from both
s OVERTEMPERATURE PROTECTION
primary or secondary regulation loop despite
s LOW STAND-BY CURRENT
using around 50% less components when
s ADJUSTABLE CURRENT LIMITATION
compared with a discrete solution. Burst mode
operation is an additional feature of this device,
DESCRIPTION
VIPer20/20A, made using VIPower M0
offering the possibility to operate in stand-by
mode without extra components.
BLOCK DIAGRAM
OSC
DRAIN
November 1999
VDD
ON/OFF
OSCILLATOR
UVLO
LOGIC
SECURITY
LATCH
R/S FF Q
S
PWM
LATCH
S
R1 FF Q
R2 R3
OVERTEMP.
DETECTOR
0.5 V
ERROR
AMPLIFIER
_
+
_
13 V +
4.5V
1.7
µs
delay
250 ns
Blanking
COMP
0.5V
++ _
6 V/A
_
CURRENT
AMPLIFIER
SOURCE
1/21
1 page  
VIPer20/SP/DIP - VIPer20A/ASP/ADIP
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 COMP pin open
Current Sense Delay
to turn-off
ID = 1 A
Blanking Time
Minimum on T ime
Min.
4.2
0.5
Typ .
6
0.5
0.67
250
M a x.
7.8
0.9
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
190
Unit
V
µs
oC
40 oC
5/21
5 Page 
VIPer20/SP/DIP - VIPer20A/ASP/ADIP
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
VIPer20
C5 COMP SOURCE
C6
C11
R3
FC00401
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
G ND
R2
V DD
OSC
13V
-
+
DRAIN
VIPer20
COMP SOURCE
C5
C6
C 11
R3
R6
ISO1
R4
C8
U2
R5
FC00411
11/21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet VIPer20ADIP.PDF ] | |
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