|
STMicroelectronics |
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
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
DESCRIPTION
VIPer20/20A, made
BLOCK DIAGRAM
using
VIPower
M0
PENTAWATT HV PENTAWATT HV (022Y)
10
1
PowerSO-10
DIP-8
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).
Typical applications cover off line power supplies
with a secondary power capability of 10W in wide
range condition and 20W 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
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
VIPer20/SP/DIP - VIPer20A/ASP/ADIP
ABSOLUTE MAXIMUM RATING
Symb ol
VDS
ID
VD D
VOSC
VCOMP
I CO MP
Vesd
ID(AR)
Ptot
Tj
Tstg
Parameter
Continuous Drain-Source Voltage (Tj = 25 to 125oC)
for VIPer20/SP/DIP
for VIPer20A/ASP/ADIP
Maximum Current
Supply Voltage
Voltage Range Input
Voltage Range Input
Maximum Continuous Current
Electrostatic discharge (R = 1.5 KΩ C = 100pF)
Avalanche Drain-Source Current, Repetitive or Not-Repetitive
(T C = 100 oC, Pulse Widt h Limit ed by TJ max, δ <1%)
for VIPer20/SP
for VIPer20A/ASP/ADIP
Power Dissipation at T c = 25oC
Junction Operating Temperature
Storage Temperature
Value
-0.3 to 620
-0.3 to 700
Internally Limited
0 to 15
0 t o VDD
0 to 5
±2
4000
0.5
0.4
57
Internally Limited
-65 to 150
THERMAL DATA
P ENT AW ATT
Rthj-p in
Rthj-ca se Thermal Resistance Junction-case Max
Rth j-a mb. Thermal Resistance Ambient -case Max
(*) When mounted using the minimum recommended pad size on FR-4 board.
# On multylayer PCB
2.0
70
P o w erS O - 10
2.0
60
CONNECTION DIAGRAMS (Top View)
PENTAWATT HV PENTAWATT HV (022Y) PowerSO-10
DIP-8
20
35 #
DIP-8
Unit
V
V
A
V
V
V
mA
V
A
A
W
oC
oC
oC/W
oC/W
oC/W
OS C
Vdd
SOURC E
COMP
1
4
8 DRAIN
DRAIN
DRAIN
5 DRAIN
SC 10540
CURRENT AND VOLTAGE CONVENTIONS
IDD
ID
IOSC
VDD
VDD
OSC
13V
-
+
DRAIN
COMP SOURCE
ICOMP
VOSC
VCOMP
VDS
2/21
FC00020
|