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MC34702EKR2 Scheda tecnica(PDF) 10 Page - Freescale Semiconductor, Inc |
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MC34702EKR2 Scheda tecnica(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 38 page Analog Integrated Circuit Device Data 10 Freescale Semiconductor 34702 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS LINEAR REGULATOR (LDO) LDO Feedback Voltage (16) VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 10 mA to 1000 mA. Includes Load Regulation Error VLFB 0.784 0.800 0.816 V LDO Voltage Margining Step Size VMLDO –1.0 – % LDO Voltage Margining Highest Positive Value VMP 5.9 7.0 7.9 % LDO Voltage Margining Lowest Negative Value VMN -7.9 7.0 -5.9 % LDO Line Regulation (16) VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 1000 mA REGLNVLDO -1.0 – 1.0 % LDO Load Regulation (16) ILDO = 10 mA to 1000 mA REGLDVLDO -1.0 – 1.0 % LDO Ripple Rejection, Dropout Voltage (16) VDO = 1.0 V, VRIPPLE = +1.0 V p-p Sinusoidal, f = 300 kHz, ILDO = 500 mA (15) VLDO_RR –40 – dB LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703 (16) VLDO = 2.5 V, ILDO = 1000 mA VDO –50 75 mV LDO Current Sense Comparator Threshold Voltage (VCS - VLDO) VCSTH 35 50 65 mV LDO Pin Input Current, VLDO = 5.25 V ILDO 1.0 1.9 4.0 mA LDO Feedback Input Current (LFB Pin), VLFB = 0.8 V ILFB -1.0 – 1.0 µA LDO Drive Output Current (LDRV Pin), VLDRV = 0 V ILDRV -5.0 -3.3 -2.0 mA CS Pin Input Leakage Current VCS = 5.25 V ICSLK 50 – 200 µA LDO Pulldown MOSFET Q4 Current Limit TA = 25°C, VBST = 8.0 V (LDO Pin) IM4_LIM 0.75 – 2.0 A LDO Pulldown MOSFET Q4 RDS(ON) ID = 1.0 A, V BST = 8.0 V RDS(ON) –– 1.9 Ω LDO Recommended Output Capacitance CLDO –10 – µF LDO Recommended Output Capacitor ESR ESRCLDO –5.0 – m Ω Thermal Shutdown (LDO Pull-down MOSFET Q4) (15) TSD 150 170 190 °C Thermal Shutdown Hysteresis (15) TSDHYS –10 – °C Notes 15. Design information only. This parameter is not production tested. 16. IDO refers to Load Current on External LDOFET - IRL2703 is the Intersil MOSFET IRL2703 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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