ir1152s International Rectifier Corp., ir1152s Datasheet
ir1152s
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ir1152s Summary of contents
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... User initiated micropower “Sleep Mode” • 750mA peak gate drive • Latch immunity and ESD protection VCC 1 8 COM GATE 2 7 COMP VCC 3 6 ISNS VFB 4 5 BOP OVP/EN IR1152 Feb 21, 2011 IR1152S Package VOUT + RTN © 2011 International Rectifier ...
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... Units V -0 -10 0.3 ISNS ISNS V -0.3 6 -0.3 6.5 OVP V -0.3 9 BOP V -0.3 6.5 COMP V -0.3 18 GATE T -40 150 J T -55 150 S R 128 °C/W θJA P 976 IR1152S Yes Remarks V Not internally clamped °C °C T =25°C AMB © 2011 International Rectifier ...
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... OVP V 101 103 105 OVP(RST) I -0.2 OVP(Bias) V 0.68 0.78 0.88 BOP V 1.46 1.56 1.66 BOP(EN) I -0.2 BOP(Bias) V -0.82 -0.75 -0.68 ISNS(PK) 3 IR1152S Units Remarks =1nF mA LOAD C =4.7nF mA LOAD mA Stand-by Mode – Inactive gate µ 0. µA Pin OVP/EN=0.4V V Bias on OVP/EN pin Units Remarks T =25°C AMB kHz -25° ...
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... COMP FLT V 4.7 4.9 5.1 COMP EFF I -0.2 FB(Bias COMP 260 375 485 START 4 IR1152S Units Remarks Regulation Voltage on VFB pin =25°C AMB mV 14V < V < 17V CC % -25°C < T < 125°C AMB V Line & Temperature Units Remarks µS T =25°C AMB µ ...
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... Symbol Min. Typ. Max. V 0.8 GLO GTH 750 OPK V 0.08 G fault 5 IR1152S Units Remarks V/V kHz Average Current Mode, Note 1 mV Note 1 µA V =0V, V =-1V FB ISNS ns Units Remarks 200mA GATE V =17V, Internally Clamped =11.5V CC ...
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... OVP (OVP BIAS V COMP START V BIAS INTEGRATED RAMP + V M OSCILLATOR 0 V COMP Discharge OLP UVLO/SLEEP STAND-BY BOP 6 IR1152S V BIAS MAX DUTY CYCLE LIMIT UVLO UVLO Block (POWER OFF) Bias & Internal References © 2011 International Rectifier GATE VCC COM ...
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... OVP/EN Overvoltage Fault Detect/Enable 6 VFB 7 VCC 8 GATE www.irf.com DESCRIPTION Ground Voltage Loop Compensation Current sense Brown-out Fault Detect Output Voltage Sense IC Supply voltage Gate Drive Output 7 IR1152S IR1145 IR1152 GATE COM COMP SNS BOP OVP/EN © 2011 International Rectifier ...
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... OVP/EN pin below the Sleep COMP threshold, V This allows the user to disable PFC during application stand-by situations in order to meet and period 1/f stand-by regulations. Since even logic level signals can be employed. 8 IR1152S and fed into the summing DC to generate the m – The summer m DC ISNS - g ...
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... The gate drive is held in the low state as long as the overcurrent condition persists. The gate drive is re-enabled when the magnitude of ISNS pin voltage falls below the V protection feature incorporates a leading edge blanking circuit to improve noise immunity. 9 IR1152S OVP(RST) parameter in datasheet). If the COMP,EFF voltage to saturate at its m voltage of the PFC ...
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... Pin GATE: This is the gate drive output of the IC. This drive voltage is internally clamped to 13V(Typ) and provides a drive current of ±0.75A peak with matched rise and fall times IR1152S threshold. Typical value of is used to detect output © 2011 International Rectifier ...
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... Gate drive is re- enabled when magnitude of ISNS pin voltage drops below V accessible from both the soft start and normal modes of operation. 11 IR1152S and system will go through soft-start OVP/EN pin voltage exceeds threshold. This state is accessible from ...
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... OVP OVP OR V > V (VTH) FB OVP OVP FAULT Present PulseTerminated Gate Inactive V < UVLO Oscillator Active OR V < V OVP SLEEP 12 IR1152S V < UVLO OR V < V OVP SLEEP V < OLP OR V < V (VTH) BOP BOP V < OLP ...
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... IR1152 Timing Diagrams UVLO UVLO STAND-BY www.irf.com NORMAL NORMAL UVLO UVLO VCC Undervoltage Lockout VCC Undervoltage Lockout NORMAL STAND-BY Brown-out Protection 13 IR1152S V V CC(ON) CC(ON CC(UVLO) CC(UVLO) 1.56V 0.76V © 2011 International Rectifier ...
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... V 9.5 V -50 °C Figure 2: Undervoltage Lockout vs. 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 -50 °C 100 °C 150 °C Figure 4: Startup Current and Sleep Current vs. Temperature 14 IR1152S VCC UV+ VCC UV- 0 °C 50 °C 100 °C 150 °C Temperature Temperature I and I CCSTART SLEEP ISLEEP ICCSTART 0 °C 50 °C 100 °C 150 °C Temperature © ...
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... Figure 6: Reference Voltage vs. 80.6 70.6 60.6 50.6 40.6 30.6 20.6 10.6 -50 °C 100 °C 150 °C Figure 8: Voltage Error Amplifier Source & Sink Current vs. Temperature 15 IR1152S 0 °C 50 °C 100 °C 150 °C Temperature Temperature Source |Sink| 0 °C 50 °C 100 °C 150 °C Temperature © 2011 International Rectifier ...
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... Figure 10: Peak Current Limit Threshold V 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 -50 °C 100 °C 150 °C Figure 12: Brown-Out Protection Thresholds vs. Temperature 16 IR1152S 0 °C 50 °C 100 °C Temperature vs. Temperature ISNS(PK) VBOP(EN) VBOP 0 °C 50 °C 100 °C Temperature © 2011 International Rectifier 150 °C 150 °C ...
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... Package Details: SOIC8N www.irf.com 17 IR1152S © 2011 International Rectifier ...
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... Metric Imperial Min Max Min 329.60 330.25 12.976 20.95 21.45 0.824 12.80 13.20 0.503 1.95 2.45 0.767 98.00 102.00 3.858 n/a 18.40 n/a 14.50 17.10 0.570 12.40 14.40 0.488 18 IR1152S Max 0.318 0.161 0.484 0.218 0.255 0.208 n/a 0.062 A Max 13.001 0.844 0.519 0.096 4.015 0.724 0.673 0.566 © 2011 International Rectifier ...
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... Part Marking Information www.irf.com 19 IR1152S © 2011 International Rectifier ...
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... For technical support, please contact IR’s Technical Assistance Center www.irf.com Standard Pack Form Tube/Bulk SOIC8N Tape and Reel http://www.irf.com/technical-info/ WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105 20 IR1152S Complete Part Number Quantity 95 IR1152SPBF 2500 IR1152STRPBF © 2011 International Rectifier ...