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XC9120 Datasheet(PDF) 2 Page - Torex Semiconductor |
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XC9120 Datasheet(HTML) 2 Page - Torex Semiconductor |
2 / 17 page 2/17 XC9120/XC9121/XC9122 Series 13 2 5 4 1 2 3 4 5 FB VDD CE GND EXT PIN NUMBER SOT-25 USP-6C PIN NAME FUNCTION 1 6 FB Output Voltage Setting Resistor Connection 2 2 VDD Supply Voltage CE Chip Enable (Operates when "H" Level) 3 4 CE (/PWM) PWM/PFM Switch* 4 3 GND Ground 5 1 EXT External Transistor Drive Connection - 5 NC No Connection * The XC9122 series combines the CE pin and PWM/PFM switch pin. XC9120/9121 Series CE PIN IC OPERATIONAL STATE H Operation L Shut-Down XC9122 Series CE/PWM PIN IC OPERATIONAL STATE H More than VDD - 0.2 (V) Operation (PWM control) M 0.65 ~ VDD – 1.0 (V) Operation (PWM/PFM automatic switching control L 0 ~ 0.2 (V) Shut-Down DESIGNATOR DESCRIPTION SYMBOL DESCRIPTION B : With current limiter ① Type of DC/DC Controller D : No current limiter ② ③ Output Voltage 09 : FB Voltage (ex. FB Voltage=0.9V→②=0, ③=9) ④ Oscillation Frequency 1 : 100kHz M : SOT-25 (SOT-23-5) ⑤ Package E : USP-6C R : Embossed tape, standard feed ⑥ Device Orientation L : Embossed tape, reverse feed ■PIN CONFIGURATION ■PIN ASSIGNMENT ■ PRODUCT CLASSIFICATION ●Ordering Information XC9120①②③④⑤⑥: PWM Control XC9121①②③④⑤⑥: PWM/PFM Automatic Switching Control XC9122①②③④⑤⑥: PWM/PFM Externally Switching Control * The dissipation pad for the USP-6C package should be solder-plated in recommended mount pattern and metal masking so as to enhance mounting strength and heat release. If the pad needs to be connected to other pins, it should be connected to the VDD pin (Pin #2). ■FUNCTION SOT-25 (TOP VIEW) USP-6C (BOTTOM VIEW) |
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