VIPEr100ASP STMicroelectronics, VIPEr100ASP Datasheet

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VIPEr100ASP

Manufacturer Part Number
VIPEr100ASP
Description
SMPS PRIMARY I.C.
Manufacturer
STMicroelectronics
Datasheets

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FEATURE
BLOCK DIAGRAM
May 1999
VIPer100/SP
VIPer100A/ASP
ADJUSTABLE SWITCHING FREQUENCY UP
TO 200KHZ
CURRENT MODE CONTROL
SOFT START AND SHUT DOWN CONTROL
AUTOMATIC BURST MODE OPERATION IN
STAND-BY CONDITION ABLE TO MEET
”BLUE ANGEL” NORM (<1W TOTAL POWER
CONSUMPTION)
INTERNALLY TRIMMED ZENER
REFERENCE
UNDERVOLTAGE LOCK-OUT WITH
HYSTERESIS
INTEGRATED START-UP SUPPLY
AVALANCHE RUGGED
OVERTEMPERATURE PROTECTION
LOW STAND-BY CURRENT
ADJUSTABLE CURRENT LIMITATION
T YPE
V
DD
13 V
V
620V
700V
_
+
DSS
AMPLIFIER
ERROR
0.5 V
LOGIC
UVLO
3 A
3 A
I
n
ON/OFF
4.5 V
+
_
OVERTEMP.
R
SECURITY
DETECTOR
R/S
2.5
2.8
LATCH
DS(on)
DELAY
1.7 s
FF
S
Q
LATCH
PWM
OSCILLATOR
R1
DESCRIPTION
VIPer100 /100A, 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 (620V or 700V / 3A).
Typical applications cover off line power supplies
with a secondary power capability of 50W in wide
range condition and 100W 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.
R2 R3
PENTAWATT HV
COMP
OSC
FF
S
Q
BLANKING
25 0 ns
SMPS PRIMARY I.C.
VIPer100A/ASP
PowerSO-10
+
_
10
0.5V
+
AMPLIFIER
_
CURRENT
VIPer100/SP
1 V/A
1
SOURCE
DRAIN
PENTAWATT HV
(022Y)
1/20

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VIPEr100ASP Summary of contents

Page 1

T YPE V I DSS n VIPer100/SP 620V 3 A VIPer100A/ASP 700V 3 A FEATURE ADJUSTABLE SWITCHING FREQUENCY UP TO 200KHZ CURRENT MODE CONTROL SOFT START AND SHUT DOWN CONTROL AUTOMATIC BURST MODE OPERATION IN STAND-BY CONDITION ABLE TO MEET ...

Page 2

VIPer100/SP - VIPer100A/ASP ABSOLUTE MAXIMUM RATING Symb ol V Continuous Drain-Source Voltage ( 125 DS for VIPer100/SP for VIPer100A/ASP I Maximum Current D V Supply Voltage DD V Voltage Range Input OSC V Voltage Range Input COMP ...

Page 3

... Note that despite the connection significant frequency change occurs for V DD varying from 8V to 15V. It provides also a pin synchronisation capability, when connected external frequency source. Pow erSO-10 VIPer100SP VIPer100ASP voltage, which DD secondary regulation 3/20 ...

Page 4

VIPer100/SP - VIPer100A/ASP AVALANCHE CHARACTERISTICS Symb ol I Avalanche Current, Repetitive or Not-Repetitive D(a r) (pulse width limited for VIPer100/SP for VIPer100A/ASP E Single Pulse Avalanche Energy (ar) o (starting ...

Page 5

ELECTRICAL CHARACTERISTICS (continued) OSCILLATOR SECTION Symb ol Parameter F Oscillator F requency SW Total Variation V Oscillator Peak Voltage OSCih V Oscillator Valley Voltage OSCi l ERROR AMPLIFIER SECTION Symb ol Parameter V V Regulation Point DDreg DD V Total ...

Page 6

VIPer100/SP - VIPer100A/ASP Figure 1: V Regulation Point DD I COMP Slope = mA/V COMPHI 0 I COMPLO V DDreg Figure 3: Transition Time I D 10% Ipeak ...

Page 7

Figure 7: Start-up Waveforms Figure 8: Overtemperature Protection Ttsd Ttsd-Thy st Vddon Vddoff VIPer100/SP - VIPer100A/ASP Tj Vdd Id Vcomp SC10191 7/20 ...

Page 8

VIPer100/SP - VIPer100A/ASP Figure 9: Oscillator VDD Rt OSC Ct 1 0.9 0.8 0.7 0.6 0.5 1 1,000 Ct = 1.5 nF 500 Ct = 2.7 nF 300 Ct = 4.7 nF 200 100 50 30 ...

Page 9

Figure 10: Error Amplifier Frequency Response 60 RCOMP = + RCOMP = 270k 40 RCOMP = 82k RCOMP = 27k RCOMP = 12k 20 0 (20) 0.001 0.01 Figure 11: Error Amplifier Phase Response 200 150 100 50 0 (50) ...

Page 10

VIPer100/SP - VIPer100A/ASP Figure 12: Avalance Test Circuit OSC + 13V C1 U1 BT2 VIPer100 47uF 12V 16V R2 1k 10/20 L1 1mH 3 DRAIN STHV102FIin parallel R1 47 COMP SOURCE 5 ...

Page 11

Figure 13: Off Line Power Supply With Auxliary Supply Feedback F1 TR2 OSC C5 Figure 14: Off Line Power Supply With Optocoupler Feedback F1 TR2 VDD OSC 13V C5 VIPer100/SP ...

Page 12

VIPer100/SP - VIPer100A/ASP OPERATION DESCRIPTION : CURRENT MODE TOPOLOGY: The current mode control method, like the one integrated in the VIPer100/100A uses two control loops - an inner current control loop and an outer loop for voltage control. When the ...

Page 13

V pin. As soon as DD the voltage on this pin reaches the high voltage threshold V of the UVLO logic, the ...

Page 14

VIPer100/SP - VIPer100A/ASP used. It mixes a high performance compensation network together with a separate high value soft start capacitor. Both soft start time and regulation loop bandwidth can be adjusted separately. If the device is intentionally shut down by ...

Page 15

If the proposed schematic is used, the pulse duration must be kept at a low value (500ns is sufficient) for minimizing consumption. The optocoupler must be able to provide 20mA through the ...

Page 16

VIPer100/SP - VIPer100A/ASP Figure 22: Recommended layout OSC From input diodes bridge U1 VIPerXX0 C2 LAYOUT CONSIDERATIONS Some simple rules insure a correct running of switching power supplies. They may be classified into two categories ...

Page 17

PENTAWATT HV (VERTICAL) MECHANICAL DATA mm DIM. MIN. TYP. A 4.30 C 1.17 D 2.40 E 0.35 F 0.60 G1 4.90 G2 7. 10.05 L 16.60 L1 14.60 L2 21.20 L3 22.20 L5 2.60 L6 15.10 ...

Page 18

VIPer100/SP - VIPer100A/ASP PENTAWATT HV 022Y(VERTICAL HIGH PITCH) MECHANICAL DATA DIM. MIN. A 4.30 C 1.17 D 2.40 E 0.35 F 0.60 G1 4.90 G2 7. 10.05 L 16.42 L1 14.60 L3 20.52 L5 2.60 L6 ...

Page 19

PowerSO-10 MECHANICAL DATA mm DIM. MIN. TYP. A 3.35 A1 0.00 B 0.40 C 0.35 D 9.40 D1 7.40 e 1.27 E 9.30 E1 7.20 E2 7.20 E3 6.10 E4 5.90 F 1.25 h 0.50 H 13.80 L 1.20 q ...

Page 20

... STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics 1999 STMicroelectronics – ...

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