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XC6367D631MR Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC6367D631MR Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 28 page PWM Controlled, PWM/PFM Switchable Step‐Up DC/DC Controllers Series 407 4 ■General Description ■Features ■Applications ■Typical Application Circuit ■Typical Performance Characteristic The XC6367/68 series are multi-functional step-up DC/DC converter controllers with built-in high speed, low ON resistance drivers. Large output currents are possible using an externally connected transistor, coil, diode and condenser. Output voltage is selectable in 0.1 steps within a 1.5V ~ 6.5V range (±2.5%). For output voltages outside this range, we recommend this FB version, which has a 1.0V internal reference voltage. Using this version, the required output voltage can be set-up using 2 external resistors. With a 300kHz switching frequency, the size of the external components can be reduced. Control switches from PWM to PFM during light loads with the XC6368 (PWM/PFM switchable) and the series is highly efficient from light loads to large output currents. Soft start time of XC6367/68A, B, and C series is internally set to 10msec and XC6367/68C, D, and F series regulate soft start time by connecting resistors and capacitors exteranally. During stand-by time (CE pin "Low"), current consumption is reduced to less than 0.5 µA. Input voltage range : 0.9V~10V Operating voltage range : 2.0V~10V Output voltage range : 1.5V~6.5V programmable in 0.1V steps (±2.5%) Oscillator frequency : 300, 100kHz (±15%) Custom products for 180, 500kHz Output Current : 200mA + (VIN=1.8V, VOUT=3.3V) High Efficiency : 84% (typ.) Stand-by capability :ISTB=0.5A (max.) Selection : Soft start set-up external Output Voltage set-up internal (VOUT) Output Voltage set-up external (FB) Package : SOT-25 GElectronic Information Organizers GPalmtops GCellular and portable phones GPortable Audio Systems GVarious Multi-function Power Supplies NInput Voltage Range : 0.9~10.0V NOutput Voltage Range : 1.5~6.5V(±2.5%) NOscillator Frequency : 300kHz(±15%) NPWM/PFM Switching Control (XC6368) NHigh Efficiency : 84% (typ.) NSOT-25 Package VOUT RL Tr L VDD VOUT GND CE EXT CL (Tantalum) CIN SD VIN 0 20 40 60 80 100 0.1 1 10 100 1000 VIN=0.9V 1.2V 1.8V 1.5V 2.7V XC6368A333MR (300kHz,3.3V) Output Current:IOUT (mA) L=22μH(CR54), CL=94μF(Tantalum) SD:MA737, Tr:XP161A1355P 04S_02XC6367/68 02.09.12 14:41 ページ 407 |
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