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MC34701EK Fiches technique(PDF) 8 Page - Freescale Semiconductor, Inc |
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MC34701EK Fiches technique(HTML) 8 Page - Freescale Semiconductor, Inc |
8 / 38 page Analog Integrated Circuit Device Data 8 Freescale Semiconductor 34701 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS BUCK CONVERTER (CONTINUED) High-Side Power MOSFET Q1 RDS(ON) (9), (10) ID = 500 mA, TA = 25°C, VBST = 8.0 V RDS(ON)Q1 –60 – m Ω Low-Side Power MOSFET Q2 RDS(ON) (9), (10) ID = 500 mA, TA = 25°C, VBST = 8.0 V RDS(ON)Q2 –65 – m Ω Buck Converter Peak Current Limit (High Level) ILIMH -4.0 -2.7 -1.5 A VOUT Pulldown MOSFET Q3 Current Limit TA = 25°C, VBST = 8.0 V ILIMPQ3 0.75 – 2.0 A VOUT Pull-down MOSFET Q3 RDS(ON) (10) ID = 1.0 A, VBST = 8.0 V RDS(ON)PQ3 –– 1.9 Ω Thermal Shutdown (VOUT Pull-down MOSFET Q3) (9) TSD 150 170 190 °C Thermal Shutdown Hysteresis (9) THYS –10 – °C Notes 9. Design information only. This parameter is not production tested. 10. ID is the MOSFET drain current. Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions -40°C ≤ TA ≤ 85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3 V using the typical application circuit (see Figure 33) unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
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