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MCZ34702EW 데이터시트(PDF) 9 Page - Freescale Semiconductor, Inc |
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MCZ34702EW 데이터시트(HTML) 9 Page - Freescale Semiconductor, Inc |
9 / 39 page Analog Integrated Circuit Device Data Freescale Semiconductor 9 34702 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS ERROR AMPLIFIER (BUCK CONVERTER) Input Impedance(11) ROUT – 150 – Ω Output Impedance(11) AVOL – 80 – dB DC Open Loop Gain(11) GBW – 35 – MHz Gain Bandwidth Product(11) SR – 200 – V/ µs Slew Rate(11) VEA_OH –2.0 – V Output Voltage – High Level VIN1 > 3.3V, IOEA = -1.0mA(11), (12) VEA_OL –0.4 – V Output Voltage – Low Level IOEA = -1.0 mA(11), (12) VSCRAMP –0.5 – V Oscillator Ramp(11) VSCRAMP –0.5 – V OSCILLATOR CLKSYN Pin (open) Low Level Output Voltage IOL = +1.0mA(13) VOSC_OL –– 0.4 V CLKSYN Pin (open) High Level Output Voltage IOH = -1.0mA(14) VOSC_OH VDDI -0.4 V – – V CLKSYN Pin (grounded) Input Voltage Threshold VOSC_IH 1.2 – 2.0 V CLKSYN Pin Pullup Resistance RPU 60 – 240 k Ω Frequency Adjusting Reference Voltage VFREQ –1.26– V BOOST REGULATOR Regulator Output Voltage IBST = 20mA, VIN1 = V IN2 = 2.8V to 6.0V VBST 7.3 7.7 8.3 V Power MOSFET Q5 RDS(ON)(11) IBD = 500mA, TA = 25°C RDS(ON) – 650 1000 m Ω Regulator Recommended Output Capacitor CBST – 10 – µF Regulator Recommended Output Capacitor Maximum ESR ESRCBST – 100 – m Ω Notes 11. Design information only. This parameter is not production tested. 12. IOEA Refers to Error Amplifier Output Current. 13. IOL Refers to IO Low Level Threshold Voltage Current 14. IOH Refers to IO High Level Threshold Voltage Current Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions -40°C ≤ TA ≤ 85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3V using the typical application circuit (see Figure 33), unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
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