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KB3511 Datasheet(PDF) 2 Page - Kingbor Technology Co |
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KB3511 Datasheet(HTML) 2 Page - Kingbor Technology Co |
2 / 14 page 2 Input Supply Voltage .................................. – 0.3V to 6.5V RUN, VFB Voltages ..................................... – 0.3V to VIN SW Voltage .................................. – 0.3V to (VIN + 0.3V) P-Channel Switch Source Current (DC) ............. 800mA N-Channel Switch Sink Current (DC) ................. 800mA (Note 1) Peak SW Sink and Source Current ........................ 1.3A Operating Temperature Range (Note 2) .. – 40 °C to 85°C Junction Temperature (Note 3) ............................ 125 °C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VIN = 3.6V unless otherwise specified. KB3511 Kingbor Technology Co.,Ltd TEL:(86)0755-26508846 FAX:(86)0755-26509052 ABSOLUTE MAXIMUM RATINGS PACkAGE/ORDER INFORMATION ELECTRICAL CHARACTERISTICS TOP VIEW DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN EXPOSED PAD IS PGND (PIN 11) MUST BE CONNECTED TO GND 10 11 9 6 7 8 4 5 3 2 1 VFB2 RUN2 POR SW2 MODE/ SYNC VFB1 RUN1 VIN SW1 GND ORDER PART NUMBER DD PART MARKING TJMAX = 125 °C, θJA = 45°C/W, θJC = 10°C/W KB3511A ORDER PART NUMBER DD PART MARKING KB3511B TOP VIEW DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN EXPOSED PAD IS PGND (PIN 11) MUST BE CONNECTED TO GND 10 11 9 6 7 8 4 5 3 2 1 VOUT2 RUN2 NC SW2 MODE/ SYNC VOUT1 RUN1 VIN SW1 GND TJMAX = 125 °C, θJA = 45°C/W, θJC = 10°C/W SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Operating Voltage Range ● 2.5 6.5 V IFB Feedback Pin Input Current ● 30 nA VFB Feedback Voltage (Note 3) 0 °C ≤ TA ≤ 85°C 0.588 0.6 0.612 V –40 °C ≤ TA ≤ 85°C ● 0.585 0.6 0.612 V ∆VLINE REG Reference Voltage Line Regulation VIN = 2.5V to 5.5V (Note 3) 0.3 0.5 %/V ∆VLOAD REG Output Voltage Load Regulation (Note 3) 0.5 % IS Input DC Supply Current Active Mode VFB1 = VFB2 = 0.6V 50 100 µA Shutdown RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V 0.1 1 µA fOSC Oscillator Frequency VFB = 0.6V ● 1.6 2.2 2.8 MHz fSYNC Synchronization Frequency 2.2 MHz ILIM Peak Switch Current Limit VIN = 3V, FBK = 0.5V, Duty Cycle <35% 0.85 1 1.25 A RDS(ON) Top Switch On-Resistance VIN = 3.6V (Note 6) 0.35 0.45 Ω Bottom Switch On-Resistance VIN = 3.6V (Note 6) 0.30 0.45 Ω ISW(LKG) Switch Leakage Current VIN = 5V, VRUN = 0V, VFB = 0V 0.01 1 µA V = 1.5V OUT1 V = 2.2V OUT2 V = FB1 V = 0.6V FB2 |
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