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Número de pieza | VIPer22AS | |
Descripción | LOW POWER OFF LINE SMPS PRIMARY SWITCHER | |
Fabricantes | STMicroelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de VIPer22AS (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
No Preview Available ! VIPer22ADIP
® VIPer22AS
LOW POWER OFF LINE SMPS PRIMARY SWITCHER
TYPICAL POWER CAPABILITY
Mains type
SO-8
European
(195 - 265 Vac)
12 W
US / Wide range
(85 - 265 Vac)
7W
DIP-8
20 W
12 W
n FIXED 60 KHZ SWITCHING FREQUENCY
n 9V TO 38V WIDE RANGE VDD VOLTAGE
n CURRENT MODE CONTROL
n AUXILIARY UNDERVOLTAGE LOCKOUT
WITH HYSTERESIS
n HIGH VOLTAGE START UP CURRENT
SOURCE
n OVERTEMPERATURE, OVERCURRENT AND
OVERVOLTAGE PROTECTION WITH
AUTORESTART
DESCRIPTION
The VIPer22A combines a dedicated current mode
PWM controller with a high voltage Power
BLOCK DIAGRAM
SO-8
DIP-8
PACKAGE
SO-8
DIP-8
ORDER CODES
TUBE
T&R
VIPer22AS VIPer22AS13TR
VIPer22ADIP -
MOSFET on the same silicon chip. Typical
applications cover off line power supplies for
battery charger adapters, standby power supplies
for TV or monitors, auxiliary supplies for motor
control, etc. The internal control circuit offers the
following benefits:
– Large input voltage range on the VDD pin
accommodates changes in auxiliary supply
voltage. This feature is well adapted to battery
charger adapter configurations.
– Automatic burst mode in low load condition.
– Overvoltage protection in hiccup mode.
DRAIN
REGULATOR
INTERNAL
SUPPLY
VDD
FB
_
8/14.5V +
+
42V _
ON/OFF
60kHz
OSCILLATOR
OVERTEMP.
DETECTOR
S
R1 FF Q
R2 R3 R4
PWM
LATCH
OVERVOLTAGE
R LATCH
S FF Q
BLANKING
+
_ 0.23 V
1 kΩ
230 Ω
SOURCE
September 2002
1/15
1 page Figure 1 : Rise and Fall Time
ID
VDS
90%
10%
tfv
t
trv
t
Figure 2 : Start Up VDD Current
IDD
IDD0
VDDhyst
IDDch
VDDoff
VDDon
VDD
VDS = 100 V
Fsw = 0 kHz
VIPer22ADIP / VIPer22AS
C LD
C << Coss
VDD
FB CONTROL
VIPer22A
DRAIN
SOURCE
300V
Figure 3 : Restart Duty Cycle
VDD
VDDon
VDDoff
tCH tST
DRST
=
---------t--S---T-----------
tST + tCH
10µF
VDD
FB CONTROL
DRAIN
t SOURCE
2V
VIPer22A
100V
5/15
5 Page DIM.
A
a1
a2
a3
b
b1
C
c1
D
E
e
e3
F
L
M
S
L1
MIN.
0.1
0.65
0.35
0.19
0.25
4.8
5.8
3.8
0.4
0.8
VIPer22ADIP / VIPer22AS
SO-8 MECHANICAL DATA
mm.
TYP
1.27
3.81
MAX.
MIN.
1.75
0.25 0.003
1.65
0.85 0.025
0.48 0.013
0.25 0.007
0.5 0.010
45 (typ.)
5 0.188
6.2 0.228
4 0.14
1.27 0.015
0.6
8 (max.)
1.2 0.031
inch
TYP.
0.050
0.150
MAX.
0.068
0.009
0.064
0.033
0.018
0.010
0.019
0.196
0.244
0.157
0.050
0.023
0.047
11/15
1
11 Page |
Páginas | Total 15 Páginas | |
PDF Descargar | [ Datasheet VIPer22AS.PDF ] |
Número de pieza | Descripción | Fabricantes |
VIPER22A | LOW POWER OFF LINE SMPS PRIMARY SWITCHER | STMicroelectronics |
VIPer22A-E | Low power OFF-line SMPS primary switcher | STMicroelectronics |
VIPER22ADIP | LOW POWER OFF LINE SMPS PRIMARY SWITCHER | STMicroelectronics |
VIPer22ADIP-E | Low power OFF-line SMPS primary switcher | STMicroelectronics |
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