FAN5308_07 FAIRCHILD [Fairchild Semiconductor], FAN5308_07 Datasheet
FAN5308_07
Related parts for FAN5308_07
FAN5308_07 Summary of contents
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FAN5308 800mA High-Efficiency Step-Down DC-DC Converter Features ■ 96% efficiency, synchronous operation ■ Adjustable output voltage options from 0. ■ 2.5V to 5.5V input voltage range ■ 800mA output current ■ Fixed-frequency 1.3MHz PWM operation ■ ...
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Pin Configuration Pin Description Pin # Name P1 AGND Analog Ground. P1 must be soldered to the PCB ground Supply Voltage Input PGND Power Ground. This pin is connected to the internal MOSFET switches. This pin ...
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Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure ...
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Electrical Characteristics 0.6V (minimum 2.5V) to 5.5V OUT wise noted. Typical values are at T Symbol Parameter V Input Voltage IN I Quiescent Current Q I Shutdown Supply Current SD Under-Voltage Lockout V UVLO ...
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Typical Performance Characteristics T = 25° 10µ 20µ 3.3µ OUT 100 3. 3.6V OUT ...
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Typical Performance Characteristics T = 25° 10µ 20µ 3.3µ OUT Time (1μs/div) Figure 9. PWM Mode 100mA V = 1.2V OUT Time (10μs/div) Figure 11. Load Transient Response Time (100μs/div) Figure ...
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Block Diagram DIGITAL SOFT START FB ERROR AMP 0.8V GND IS OSC SLOPE COMPENSATION Detailed Operation Description The FAN5308 is a step-down converter operating in a current-mode PFM/PWM architecture with a typical switching frequency of 1.3MHz. At moderate to heavy ...
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The N-channel transistor is turned off before the inductor current becomes negative. At this time, the P-channel is switched on again, starting the next pulse. The converter continues these pulses until the high threshold (typical 1.6% above nominal value) is ...
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Applications Information Setting the Output Voltage The internal reference is 0.8V (typical). The output volt- age is divided by a resistor divider, R1 and R2 to the FB pin. The output voltage is given by ...
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Mechanical Dimensions Dimensions are in millimeters unless otherwise noted. © 2005 Fairchild Semiconductor Corporation FAN5308 Rev. 1.0.2 Figure 18. 3x3mm 6-Lead MLP 10 www.fairchildsemi.com ...
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Fairchild Semiconductor Corporation FAN5308 Rev. 1.0.2 11 www.fairchildsemi.com ...