ICE3GS03LJG

V e rs io n 2 . 0 , 1 N o v 2 0 1 0 F 3 P W M c on t ro l l e r ICE 3G S0 3LJG Of f- L i n e SM PS C u rr e n t M o d e Co n tro lle r wi th in te g ra t e d 5 0 0 V St a rt u p C e ll ( L a t ch e d a n d fr e q u e n cy jit te r M o d e ) Po w er M a n ag e m en t & S up p l y Never stop thinking. F3 PWM controller ICE3GS03LJG Revision History: Previous Version: Page 2010-11-1 V1.0 Datasheet Subjects (major changes since last revision) For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http:// www.infineon.com Edition 2010-11-1 Published by Infineon Technologies AG, 81726 Munich, Germany, © 2010 Infineon Technologies AG. All Rights Reserved. Legal disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices, please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact your nearest Infineon Technologies Office. Infineon Technologies Components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. F3 PWM controller ICE3GS03LJG Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell ( Latched and frequency jitter Mode ) Product Highlights • • • • • • Active Burst Mode to reach the lowest Standby Power Requirements < 100mW Built-in latched Off protection Mode and external latch enable function to increase robustness of the system Built-in and extendable blanking Window for high load jumps to increase system reliability Frequency jitter for low EMI Green Mould Compound Pb-free lead plating; RoHS compilant PG-DSO-8 Features • • • • • • • • • • • • • • Description 500V Startup Cell switched off after Start Up Active Burst Mode for lowest Standby Power Fast load jump response in Active Burst Mode 130kHz internally fixed switching frequency Built-in Latched Off Protection Mode for Overtemperature, Overvoltage & Short Winding Auto Restart Protection Mode for Overload, Open Loop,VCC Undervoltage & Short Optocoupler Built-in Soft Start Built-in blanking window with extendable blanking time for short duration high current External latch off enable function Max Duty Cycle 75% Overall tolerance of Current Limiting < ±5% Internal PWM Leading Edge Blanking BiCMOS technology provide wide VCC range Frequency jitter and soft gate driving for low EMI The ICE3GS03LJG is the 130KHz version of the ICE3AS03LJG which is the latest version of the F3 controller for lowest standby power and low EMI features with both auto-restart and latch off protection features to enhance the system robustness. It targets for off-Line battery adapters, and low cost SMPS for low to medium power range such as application for the DVD R/W, DVD Combi, Blue Ray DVD player and recorder, set top box, charger, note book adapter, etc. The inherited outstanding features includes 500V startup cell, active burst mode (achieve the lowest standby power; i.e. 25.5V and last for 120ms, the overvoltage detection is activated. It enters the latch off mode.This protection mode is activated in both normal operating mode and burst mode. The internal Voltage Reference is switched off most of the time once Latched Off Mode is entered in order to minimize the current consumption of the IC. This Latched Off Mode can only be reset if the VVCC < 6.23V. In this mode, only the UVLO is working which controls the Startup Cell by switching on/off at VVCCon/VVCCoff. During this phase, the average current consumption is only 250mA. As there is no longer a self-supply by the auxiliary winding, the VCC drops. The Undervoltage Lockout switches on the integrated Startup Cell when VCC falls below 10.5V. The Startup Cell is switched off again when VCC has exceeded 18V. Once the Latched Off Mode was entered, there is no Start Up Phase whenever the VCC exceeds the switch-on level of the Undervoltage Lockout. Therefore the VCC voltage changes between the switch-on and switch-off levels of the Undervoltage Lockout with a saw tooth shape (see Figure 26). Short Winding/Short Diode Latched Off Mode External Protection Enable Latched Off Mode Overload Open Loop VCC Undervoltage Short Optocoupler 3.7.3.1 Auto Restart Mode Auto Restart Mode Auto Restart Mode Auto Restart Mode VVCC 18V Latched Off Mode Spike Blanking 190ns LatchedO ff M odeReset VVCC 130°C Voltage Reference Control U nit Figure 25 Latched Off Mode The Thermal Shutdown block monitors the junction temperature of the IC. After detecting a junction temperature higher than latched thermal shutdown temperature; TjSD, the Latched Off Mode is entered. The signals coming from the temperature detection and VCC overvoltage detection are fed into a spike blanking with a time constant of 30ms in order to ensure the system reliability. Furthermore, a short winding or short diode on the secondary side can be detected by the comparator C11 which is in parallel to the propagation delay compensated current limit comparator C10. In normal Version 2.0 16 1 Nov 2010 F3 PWM controller ICE3GS03LJG Functional Description operating mode, comparator C10 controls the maximum level of the CS signal at 1.06V. If there is a failure such as short winding or short diode, C10 is no longer able to limit the CS signal at 1.06V. Instead the comparator C11 detects the peak current voltage > 1.66V and last for 190ns , it enters the Latched Off Mode immediately in order to keep the SMPS in a safe stage. In case the pre-defined Latch Off features are not sufficient, there is a customer defined external Latch Enable feature. The Latch Off Mode can be triggered by pulling down the BL pin to < 0.33V. It can simply add a trigger signal to the base of the externally added transistor, TLE at the BL pin. To ensure this latch function will not be mis-triggered during start up, a 2ms delay time is implemented to blank the unstable signal. 3.7.3.2 BL # and IBK is 13uA, the extendable blanking time is around 52ms and the total blanking time is 72ms. In combining the FB and blanking time, there is a blanking window generated which prevents the system to enter Auto Restart Mode due to large load jumps. In case of VCC undervoltage, the IC enters into the Auto Restart Mode and starts a new startup cycle. Short Optocoupler also leads to VCC undervoltage as there is no self supply after activating the internal reference and bias. In contrast to the Latched Off Mode, there is always a Startup Phase with switching cycles in Auto Restart Mode. After this Start Up Phase, the conditions are again checked whether the failure mode is still present. Normal operation is resumed once the failure mode is removed that had caused the Auto Restart Mode. Auto Restart Mode 5.0V IBK CBK 0.9V 1 S1 G2 C3 4.0V Spike Blanking 30us & 4.2V FB C4 20ms Blanking Time G5 Auto Restart Mode Control Unit Figure 27 Auto Restart Mode In case of Overload or Open Loop, the FB exceeds 4.2V which will be observed by comparator C4. Then the internal blanking counter starts to count. When it reaches 20ms, the switch S1 is released. Then the clamped voltage 0.9V at VBL can increase. When there is no external capacitor CBK connected, the VBL will reach 4.0V immediately. When both the input signals at AND gate G5 is positive, the Auto-Restart Mode will be activated after the extra spike blanking time of 30us is elapsed. However, when an extra blanking time is needed, it can be achieved by adding an external capacitor, CBK. A constant current source of IBK will start to charge the capacitor CBK from 0.9V to 4.0V after the switch S1 is released. The charging time from 0.9V to 4.0V are the extendable blanking time. If CBK is 0.22mF Version 2.0 17 1 Nov 2010 F3 PWM controller ICE3GS03LJG Electrical Characteristics 4 Note: Electrical Characteristics All voltages are measured with respect to ground (Pin 8). The voltage levels are valid if other ratings are not violated. 4.1 Note: Absolute Maximum Ratings Absolute maximum ratings are defined as ratings, which when being exceeded may lead to destruction of the integrated circuit. For the same reason make sure, that any capacitor that will be connected to pin 7 (VCC) is discharged before assembling the application circuit. Ta=25°C unless otherwise specified. Parameter HV Voltage VCC Supply Voltage FB Voltage BL Voltage CS Voltage Junction Temperature Storage Temperature Thermal Resistance Junction -Ambient Soldering temperature,wave soldering only allowed at leads ESD Capability (incl. Drain Pin) 1) Symbol VHV VVCC VFB VBL VCS Tj TS RthJA Tsold VESD - Limit Values min. -0.3 -0.3 -0.3 -0.3 -40 -55 max. 500 27 5.5 5.5 5.5 150 150 185 260 2 Unit V V V V V °C °C K/W °C kV Remarks 1.6mm(0.063 in.) from case for 10s Human body model 1) According to EIA/JESD22-A114-B (discharging a 100pF capacitor through a 1.5k W series resistor) 4.2 Note: Parameter Operating Range Within the operating range the IC operates as described in the functional description. Symbol VVCC TjCon Limit Values min. max. 25 130 V °C Max. value limited due to VCC OVP Unit Remarks VCC Supply Voltage Junction Temperature of Controller VVCCoff -25 Max value limited due to thermal shut down of controller Version 2.0 18 1 Nov 2010 F3 PWM controller ICE3GS03LJG Electrical Characteristics 4.3 4.3.1 Note: Characteristics Supply Section The electrical characteristics involve the spread of values within the specified supply voltage and junction temperature range TJ from – 25 °C to 125 °C. Typical values represent the median values, which are related to 25°C. If not otherwise stated, a supply voltage of VCC = 18 V is assumed. Symbol min. IVCCstart IVCCcharge1 IVCCcharge2 IVCCcharge3 0.55 Limit Values typ. 150 0.90 0.7 0.2 1.5 2.5 250 250 max. 250 5.0 1.60 50 2.5 4.2 mA mA mA mA mA mA mA mA mA IFB = 0A, CLoad=680pF IFB = 0A IFB = 0A VVCC =16.5V VVCC = 0V VVCC = 1V VVCC =16.5V VHV = 450V, VVCC=18V Unit Test Condition Parameter Start Up Current VCC Charge Current Leakage Current of Start Up Cell Supply Current with Inactive Gate Supply Current with Active Gate Supply Current in Latched Off Mode Supply Current in Auto Restart Mode with Inactive Gate Supply Current in Active Burst Mode with Inactive Gate VCC Turn-On Threshold VCC Turn-Off Threshold VCC Turn-On/Off Hysteresis 4.3.2 IStartLeak IVCCsup1 IVCCsup2 IVCClatch IVCCrestart IVCCburst1 IVCCburst2 VVCCon VVCCoff VVCChys 17.0 9.8 - 450 450 18.0 10.5 7.5 950 950 19.0 11.2 - mA mA V V V VFB = 2.5V VVCC = 11.5V,VFB = 2.5V Internal Voltage Reference Symbol min. VREF 4.90 Limit Values typ. 5.00 max. 5.10 V measured at pin FB IFB = 0 Unit Test Condition Parameter Trimmed Reference Voltage Version 2.0 19 1 Nov 2010 F3 PWM controller ICE3GS03LJG Electrical Characteristics 4.3.3 Parameter Fixed Oscillator Frequency Frequency Jittering Range Max. Duty Cycle Min. Duty Cycle PWM-OP Gain Voltage Ramp Offset PWM Section Symbol min. fOSC1 fOSC2 fjitter Dmax Dmin AV VOffset-Ramp 113 119 0.70 0 3.1 9 Limit Values typ. 130 130 ±5.2 0.75 3.3 0.67 0.5 15.4 max. 147 141 0.80 3.5 4.3 22 V V V kW CS=1V, limited by Comparator C41) VFB < 0.3V kHz kHz kHz Tj = 25°C Tj = 25°C Unit Test Condition VFB Operating Range Min Level VFBmin VFB Operating Range Max level FB Pull-Up Resistor 1) VFBmax RFB The parameter is not subjected to production test - verified by design/characterization Soft Start time Symbol min. tSS Limit Values typ. 10 max. ms Unit Test Condition 4.3.4 Parameter Soft Start time Version 2.0 20 1 Nov 2010 F3 PWM controller ICE3GS03LJG Electrical Characteristics 4.3.5 Parameter Clamped VBL voltage during Normal Operating Mode Blanking time voltage limit for Comparator C3 Over Load & Open Loop Detection Limit for Comparator C4 Active Burst Mode Level for Comparator C5 Active Burst Mode Level for Comparator C6a Active Burst Mode Level for Comparator C6b Overvoltage Detection Limit Latch Enable level at BL pin Charging current at BL pin Control Unit Symbol min. VBLclmp VBKC3 VFBC4 VFBC5 VFBC6a VFBC6b VVCCOVP VLE IBK 0.85 3.85 4.05 1.12 3.35 2.88 25 0.25 9.1 Limit Values typ. 0.90 4.00 4.20 1.23 3.50 3.00 25.5 0.33 13.0 max. 0.95 4.15 4.35 1.34 3.65 3.12 26.5 0.4 16.9 V V V V V V V V mA > 30ms Charge starts after the built-in 20ms blanking time elapsed After Active Burst Mode is entered After Active Burst Mode is entered VFB = 4V Unit Test Condition Latched Thermal Shutdown1) Built-in Blanking Time for Overload Protection or enter Active Burst Mode Inhibit Time for Latch Enable function during Start up Spike Blanking Time before Latch off or Auto Restart Protection TjSD tBK 130 - 140 20 150 - °C ms without external capacitor at BL pin After IC turns on tIHLE tSpike VVCCPD 5.2 2.0 30 6.23 7.8 ms ms V Power Down Reset for Latched Mode 1) After Latched Off Mode is entered The parameter is not subjected to production test - verified by design/characterization. The thermal shut down temperature refers to the junction temperature of the controller. The trend of all the voltage levels in the Control Unit is the same regarding the deviation except VVCCOVP and VVCCPD Note: Version 2.0 21 1 Nov 2010 F3 PWM controller ICE3GS03LJG Electrical Characteristics 4.3.6 Parameter Peak Current Limitation (incl. Propagation Delay) Peak Current Limitation during Active Burst Mode Leading Edge Blanking CS Input Bias Current Over Current Detection for Latched Off Mode CS Spike Blanking for Comparator C11 4.3.7 Current Limiting Symbol min. Vcsth VCS2 tLEB ICSbias VCS1 tCSspike 0.99 0.21 -1.5 1.57 Limit Values typ. 1.06 0.25 220 -0.2 1.66 190 max. 1.13 0.31 1.76 V V ns mA V ns VCS =0V dVsense / dt = 0.6V/ms (see Figure 20) Unit Test Condition Driver Section Parameter GATE Low Voltage Symbol min. VGATElow -0.2 Limit Values typ. 0.8 1.6 0.2 10.0 9.0 8.0 150 55 max. 1.2 1.5 2.0 0.39 Unit V V V V V V V V ns ns A A Test Condition VVCC = 5 V IGate = 1 mA VVCC = 5 V IGate = 5 mA IGate = 0 A IGate = 20 mA IGate = -20 mA VVCC = 25V CL = 680pF VVCC = 15V CL = 680pF VVCC = VVCCoff + 0.2V CL = 680pF VGate = 2V ...9V1) CL = 680pF VGate = 9V ...2V1) CL = 680pF CL = 680pF2) CL = 680pF2) GATE High Voltage VGATEhigh - GATE Rise Time (incl. Gate Rising Slope) GATE Fall Time GATE Current, Peak, Rising Edge GATE Current, Peak, Falling Edge 1) 2) trise tfall IGATE IGATE -0.17 - Transient reference value The parameter is not subjected to production test - verified by design/characterization Version 2.0 22 1 Nov 2010 F3 PWM controller ICE3GS03LJG Outline Dimension 5 Outline Dimension PG-DSO-8 (Plastic Dual Small Outline) Figure 28 PG-DSO-8 (PB-free Plating Plastic Dual Small Outline) Version 2.0 23 1 Nov 2010 F3 PWM controller ICE3GS03LJG Marking 6 Marking Marking Figure 29 Marking for ICE3GS03LJG Version 2.0 24 1 Nov 2010 Total Quality Management Qualität hat für uns eine umfassende Bedeutung. Wir wollen allen Ihren Ansprüchen in der bestmöglichen Weise gerecht werden. Es geht uns also nicht nur um die Produktqualität – unsere Anstrengungen gelten gleichermaßen der Lieferqualität und Logistik, dem Service und Support sowie allen sonstigen Beratungs- und Betreuungsleistungen. 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