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APW7199 Datasheet(PDF) 4 Page - Anpec Electronics Coropration |
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APW7199 Datasheet(HTML) 4 Page - Anpec Electronics Coropration |
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4 / 24 page  Copyright © ANPEC Electronics Corp. Rev. A.4 - Oct., 2010 APW7199 www.anpec.com.tw 4 Electrical Characteristics (Cont.) Refer to the typical application circuits. These specifications apply over V CC = 5V, and TA = -40 ~ 85°C, unless otherwise specified. Typical values are at T A = 25°C. APW7199 Symbol Parameter Test Conditions Min. Typ. Max. Unit GATE DRIVER UGATE Source Resistance VBOOT = 5V, VBOOT - VUGATE = 0.5V - 1.5 3 Ω UGATE Sink Resistance VBOOT = 5V, VUGATE - VPHASE = 0.5V - 1 2 Ω LGATE Source Resistance VCC = 5V, VCC - VLGATE = 0.5V - 1.5 3 Ω LGATE Sink Resistance VCC = 5V, VLGATE - VGND = 0.5V - 0.8 1.5 Ω Dead Time (Note 4) 20 25 40 ns BOOTSTRAP DIODE VF Forward Voltage VCC - VBOOT-GND, IF = 5mA - 0.8 1 V IR Reverse Leakage VBOOT-GND = 30V, VPHASE = 25V, VCC = 5V - - 0.5 µA VCC POWER-ON-RESET (POR) THRESHOLD VVCC_THR Rising VCC POR Threshold Voltage 4.05 4.2 4.35 V VCC POR Hysteresis 0.1 0.2 0.3 V OSCILLATOR FSW Switching Frequency in PWM Mode DC Output Current, VCC = 4.5V ~ 5.5V 270 300 330 kHz Minimum Ultrasonic Operating Frequency VCC = 4.5V ~ 5.5V 20 25 - kHz CONTROL INPUTS PWM Converter Shutdown Threshold VEN/EXTREF Falling - - 0.4 V External Reference Voltage Input Range VREF = VEN/EXTREF 0.5 - 2.5 V Internal Reference Enable Threshold VREF = 0.5V (typical), VEN/EXTREF Rising 2.75 - - V EN/EXTREF Leakage Current VEN/EXTREF = 0V -0.1 - 0.1 µA Maximum Voltage Slew Rate of VREF External reference voltage used, VREF = VEN/EXTREF 8 - - mV/ µs POWER OK INDICATOR (POK) VFB is from low to target value (POK Goes High) 91 95 99 % ~3 µs noise filter, V FB Falling (POK Goes Low) 65 70 75 % VPOK POK Threshold ~3 µs noise filter, V FB Rising (POK Goes Low) 120 125 130 % IPOK POK Leakage Current VPOK = 5V - 0.1 1.0 µA VPOK POK Output Low Voltage IPOK = -4mA - 0.5 1 V PROTECTIONS IOCSET IOCSET Source Current IOCSET Sourcing 9 10 11 µA VOCP_MAX Built-in Maximum OCP Voltage 230 250 270 mV |
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