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KB3361 Datasheet(PDF) 4 Page - Kingbor Technology Co |
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KB3361 Datasheet(HTML) 4 Page - Kingbor Technology Co |
4 / 6 page KB3361 Kingbor Technology Co.,Ltd TEL:(86)0755-26508846 FAX:(86)0755-26509052 (From Figure 1a Except for the Resistive Divider Resistor Values) RUN (Pin 1): Run Control Input. Forcing this pin above 1.5V enables the part. Forcing this pin below 0.6V shuts down the device. In shutdown, all functions are disabled drawing <1 µA supply current. Do not leave RUN floating. GND (Pin 2): Ground Pin. SW (Pin 3): Switch Node Connection to Inductor. This pin connects to the drains of the internal main and synchro- nous power MOSFET switches. VIN (Pin 4): Main Supply Pin. Must be closely decoupled to GND, Pin 2, with a 4.7 µF or greater Tan capacitor. VFB (Pin 5) (kB3361): Feedback Pin. Receives the feed- back voltage from an external resistive divider across the output. TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS P-Channel R DS(ON) vs. Input Voltage Input Voltage (V) 300 350 400 450 500 550 600 650 700 750 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 25°C 120°C 100°C 85°C Output Ripple (VIN = 3.6V; VOUT = 1.8V; IOUT = 1mA) Time (10µs/div) -120 -100 -80 -60 -40 -20 0 20 40 -0.10 -0.05 0.00 0.05 0.10 0.15 0.20 0.25 0.30 Output Ripple (VIN = 3.6V; VOUT = 1.8V; IOUT = 800mA) Time (500ns/div) -60 -50 -40 -30 -20 -10 0 10 20 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 Line Response (VOUT = 1.8V @ 800mA) Time (50µs/div) 1.66 1.68 1.70 1.72 1.74 1.76 1.78 1.80 1.82 1.84 1.86 2.6 3.1 3.6 4.1 4.6 5.1 5.6 6.1 6.6 7.1 7.6 No Load Quiescent Current vs. Input Voltage Input Voltage (V) 60 65 70 75 80 85 90 95 100 2.5 3.1 3.5 3.9 4.3 4.7 5.1 6.5 85°C 25°C -40°C N-Channel R DS(ON) vs. Input Voltage Input Voltage (V) 300 350 400 450 500 550 600 650 700 750 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 25°C 120°C 100°C 85°C 2007-Aug, Rev 1.0 4 kB3361 |
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