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Numéro de référence | VIPer50BSP | ||
Description | SMPS PRIMARY I.C. | ||
Fabricant | STMicroelectronics | ||
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1 Page
VIPer50B
® VIPer50BSP
TYPE
VIPer50B/BSP
VDSS
400 V
In RDS(on)
3 A 2.2 Ω
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
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Pages | Pages 20 | ||
Télécharger | [ VIPer50BSP ] |
No | Description détaillée | Fabricant |
VIPer50BSP | SMPS PRIMARY I.C. | STMicroelectronics |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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