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PDF VIPer100BSP Data sheet ( Hoja de datos )
| Número de pieza | VIPer100BSP | |
| Descripción | SMPS PRIMARY I.C. | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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VIPer100B
® VIPer100BSP
TYPE
V I P e r1 0 0B / B S P
VDSS
400V
In RDS(on)
6 A 1.1 Ω
SMPS PRIMARY I.C.
PRELIMINARY DATA
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
10
PENTAWATT HV
1 PENTAWATT HV
PowerSO-10
(022Y)
DESCRIPTION
VIPer100B/100BSP, 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 (400 V / 6 A). Typical
applications cover off line power supplies with
a secondary power capability of 100 W in a US
mains lines 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.
BLOCK DIAGRAM
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
++ _
_
0. 5V/A
CURRENT
AMPLIFIER
January 2000
COMP
SOU RCE
1/20
1 page  
VIPER100B/BSP
ELECTRICAL CHARACTERISTICS (continued)
OSCILLATOR SECTION
S ymb ol
FSW
V OSC ih
VOSCi l
Parameter
Oscillator Frequency
Total Variation
Oscillator Peak Voltage
Oscillator Valley Voltage
Test Conditions
RT = 8.2 KΩ
CT =2.4 nF
VDD = 9 to15 V
with RT ± 1%
CT ± 5%
(see fig. 6 and fig. 9)
Min.
90
Typ .
100
Max.
110
Un it
KHz
7.1 V
3.7 V
ERROR AMPLIFIER SECTION
S ymb ol
VDDr e
∆VDDreg
GBW
P a ra m et er
Vg Regulation Point
Total Variation
Unity Gain Bandwidth
A VOL
Gm
V COMPL O
V C OM PHI
ICOMPLO
I CO MP HI
Open Loop Voltage
Gain
DC Transconductance
Output Low Level
Output High Level
Output Low Current
Capability
Output High Current
Capability
Test Conditions
ICOMP = 0 mA (see fig.1)
TJ = 0 to 100 oC
From Input = VDD t o Out put = VCOMP
CO MP pin is open (see fig. 10)
CO MP pin is open (see fig. 10)
VCOMP = 2.5 V (see fig. 1)
ICOMP = -400 µA
VDD = 14 V
ICOMP = 400 µA
VDD = 12 V
VCOMP = 2.5 V
VDD = 14 V
VCOMP = 2.5 V
VDD = 12 V
Min.
12.6
45
1.1
Typ .
13
2
150
52
1.5
0.2
4.5
-600
600
Max.
13.4
Unit
V
%
KHz
dB
1.9 mA/V
V
V
µA
µA
PWM COMPARATOR SECTION
S ymb ol
HID
VCOMPo f f
IDpeak
td
tb
ton( mi n)
P a ra m et er
Test Conditions
∆VCOMP /∆IDpea k
VCOMP = 1 t o 3 V
VCOMP offset
IDpeak = 10 mA
Peak Current Limitation VDD = 12 V COMP pin open
Current Sense Delay
to turn-off
ID = 1 A
Blanking Time
Minimum on Time
Min.
0.35
6
Typ .
0.5
0.5
8
250
Max.
0.65
11
Unit
V/A
V
A
ns
250 360
350
ns
ns
SHUTDOWN AND OVERTEMPERATURE SECTION
S ymb ol
V COMP th
tDI Ss u
Ttsd
Thyst
P a ra m et er
Restart threshold
Disable Set Up Time
Thermal Shutdown
Temperature
Thermal Shutdown
Hy s t e r es is
Test Conditions
(see fig. 4)
(see fig. 4)
(see fig. 8)
(see fig. 8)
Min.
140
Typ .
0.5
1.7
170
Max.
5
Unit
V
µs
oC
40 oC
5/20
5 Page 
VIPER100B/BSP
Figure 13: Off Line Power Supply With Auxiliary Supply Feedback
AC IN
F1
TR2
C1
R9
BR1
C2
D3
C4
D1
R1
C3
R7
TR1
D2
C7
C10
R2
VDD
OSC
13V
-
+
DRAIN
VIPer100B
C5 COMP SOURCE
C6
C11
R3
L2
C9
+Vcc
GND
FC00081B
Figure 14: Off Line Power Supply With Optocoupler Feedback
AC IN
F1
TR2
C1
R9
BR1
C2
D3
C4
D1
R1
C3
R7
TR1
D2
C7
C10
L2
C9
+Vcc
GND
R2
V DD
DRAIN
OSC
13V
-
+
VIPer100B
COMP SOURCE
C5
C6
C 11
R3
R6
ISO1
R4
C8
U2
R5
FC00091B
11/20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet VIPer100BSP.PDF ] | |
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