PDF VIPer50SP Data sheet ( Hoja de datos )

Número de pieza	VIPer50SP
Descripción	SMPS PRIMARY I.C.
Fabricantes	STMicroelectronics
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No Preview Available ! VIPer50/SP ® - VIPer50A/ASP SMPS PRIMARY I.C. TYPE VIPer50/SP VIPer50A/ASP VDSS 620V 700V In 1.5 A 1.5 A RDS(on) 5Ω 5.7 Ω s ADJUSTABLE SWITCHING FREQUENCY UP TO 200 kHz 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 BLOCK DIAGRAM 10 PENTAWATT HV 1 PowerSO-10™ PENTAWATT HV (022Y) DESCRIPTION VIPer50™/50A, 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 / 1.5A). Typical applications cover off line power supplies with a secondary power capability of 25W in wide range condition and 50W 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 ON/OFF OSCILLATOR SECURITY PWM LATCH LATCH VDD UVLO LOGIC R/S FF Q S S R1 FF Q R2 R3 OVERTEMP. DETECTOR 0.5 V + _ ERROR _ AMPLIFIER 13 V + 4.5 V 1.7 µ s DELAY 250 ns BLANKING 0.5V ++ _ _ 2 V/A CURRENT AMPLIFIER April 2002 COMP SOURCE 1/23 1 1 page VIPer50/SP - VIPer50A/ASP ELECTRICAL CHARACTERISTICS (continued) OSCILLATOR SECTION Symbol FSW VOSCih VOSCil Parameter Oscillator Frequency Total Variation Oscillator Peak Voltage Oscillator Valley Voltage Test Conditions Rt=8.2KΩ; Ct=2.4nF VDD=9 to 15V; with Rt± 1%; Ct± 5% (see fig. 6 and fig. 9) Min 90 ERROR AMPLIFIER SECTION Symbol VDDreg ∆VDDreg GBW AVOL Gm VCOMPLO VCOMPHI ICOMPLO ICOMPHI Parameter VDD Regulation Point Total Variation Unity Gain Bandwidth Open Loop Voltage Gain DC Transconductance Output Low Level Output High Level Output Low Current Capability Output High Current Capability Test Conditions ICOMP=0mA Tj=0 to 100°C (see fig. 1) From Input =VDD to Output = VCOMP COMP pin is open (see fig. 10) COMP pin is open VCOMP=2.5V ICOMP= -400µA; VDD=14V ICOMP=400µA; VDD=12V (see fig. 10) (see fig. 1) VCOMP=2.5V; VDD=14V VCOMP=2.5V; VDD=12V Min 12.6 45 1.1 PWM COMPARATOR SECTION Symbol HID VCOMPoff IDpeak td tb ton(min) Parameter ∆VCOMP / ∆IDPEAK VCOMP Offset Peak Current Limitation Current Sense Delay to Turn-Off Blanking Time Minimum On Time Test Conditions VCOMP=1 to 3 V IDPEAK=10mA VDD=12V; COMP pin open ID=0.5A SHUTDOWN AND OVERTEMPERATURE SECTION Symbol VCOMPth tDISsu Ttsd Thyst Parameter Restart Threshold Disable Set Up Time Thermal Shutdown Temperature Thermal Shutdown Hysteresis Test Conditions (see fig. 4) (see fig. 4) (See fig. 8) (See fig. 8) Min 1.4 1.5 Min 140 Typ 100 7.1 3.7 Typ 13 2 150 52 1.5 0.2 4.5 -600 600 Typ 2 0.5 2 250 250 350 Typ 0.5 1.7 170 40 Max 110 Unit kHz V V Max 13.4 Unit V % kHz dB 1.9 mA/V V V µA µA Max 2.6 2.7 360 Unit V/A V A ns ns ns Max 5 Unit V µs °C °C 5/23 5 Page VIPer50/SP - VIPer50A/ASP 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 L2 C9 +Vcc GND R2 VDD OSC 13V - + DRAIN VIPer50 COMP SOURCE C5 C6 C11 R3 FC00301 Figure 14: Off Line Power Supply With Optocoupler Feedback AC IN F1 T R2 C1 R9 BR 1 C2 D3 C4 D1 R1 C3 R7 TR1 D2 C7 C1 0 L2 C9 R2 VDD OSC 13V - + DR AIN VIP er50 COMP S OUR C E C5 C6 C 11 R3 R6 ISO 1 R4 C8 U2 R5 +V cc GND FC0 0311 11/23 1 11 Page

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