VIPer22ADIP-E Datasheet PDF - STMicroelectronics
Part Number | VIPer22ADIP-E | |
Description | Low power OFF-line SMPS primary switcher | |
Manufacturers | STMicroelectronics | |
Logo | ||
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VIPer22ADIP-E, VIPer22AS-E
Low power OFF-line SMPS primary switcher
Features
■ Fixed 60 kHz switching frequency
■ 9 V to 38 V wide range VDD voltage
■ Current mode control
■ Auxiliary undervoltage lockout with hysteresis
■ High voltage start-up current source
■ Overtemperature, overcurrent and overvoltage
protection with auto-restart
Table 1. Typical power capability
Mains type
SO-8
European (195 - 265 Vac)
US / wide range (85 - 265 Vac)
12 W
7W
DIP-8
20 W
12 W
Description
The VIPer22A-E combines a dedicated current
mode PWM controller with a high voltage power
MOSFET on the same silicon chip.
Figure 1. Block diagram
SO-8
DIP-8
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
November 2010
Doc ID 12050 Rev 2
1/21
www.st.com
21
|
|
VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E
Electrical characteristics
Table 6. Oscillation section
Symbol
Parameter
Test conditions
FOSC
Oscillator frequency
total variation
VDD = VDDoff ... 35 V;
TJ = 0 ... 100 °C
Table 7. PWM comparator section
Symbol
Parameter
Test conditions
GID
IDlim
IFBsd
RFB
td
tb
tONmin
IFB to ID current gain
Peak current
limitation
(See Figure 12 on page 14)
VFB = 0 V
(See Figure 12 on page 14)
IFB shutdown current
FB pin input
impedance
(See Figure 12 on page 14)
ID = 0 mA
(See Figure 12 on page 14)
Current sense delay
to turn-OFF
ID = 0.4 A
Blanking time
Minimum turn-ON
time
Min Typ Max Unit
54 60 66 kHz
Min Typ Max Unit
560
0.56 0.7 0.84 A
0.9 mA
1.2 kΩ
200 ns
500 ns
700 ns
Table 8.
Symbol
TSD
THYST
Overtemperature section
Parameter
Test conditions
Thermal shutdown
temperature
(See Figure 13 on page 14)
Thermal shutdown
hysteresis
(See Figure 13 on page 14)
Min Typ Max Unit
140 170
°C
40 °C
Table 9. Typical power capability (1)
Mains type
SO-8
European (195 - 265 Vac)
US / Wide range (85 - 265 Vac)
12 W
7W
1. Above power capabilities are given under adequate thermal conditions
DIP-8
20 W
12 W
Doc ID 12050 Rev 2
5/21
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Information | Total 21 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ VIPer22ADIP-E.PDF Datasheet ] |
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