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VIPer100A fiches techniques PDF

STMicroelectronics - SMPS PRIMARY I.C.

Numéro de référence VIPer100A
Description SMPS PRIMARY I.C.
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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VIPer100A fiche technique
VIPer100/SP
® VIPer100A/ASP
SMPS PRIMARY I.C.
TYPE
VIPer100/SP
VIPer100A/ASP
VDSS
620V
700V
In RDS(on)
3 A 2.5
3 A 2.8
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

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