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XC6373E700DL Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC6373E700DL Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 18 page 581 XC6371 6372 6373 ETR0402_001.doc ◆ CMOS Low Power Consumption ◆ Operating Voltage :0.9V~10.0V ◆ Output Voltage Range :2.0V~7.0V ◆ Output Voltage Accuracy :±2.5% ◆ Oscillation Frequency :50kHz, 100kHz, 180kHz(XC6371/72) 30kHz (XC6373) ■ GENERAL DESCRIPTION The XC6371/6372/6373 series are a group of PWM controlled and PWM/PFM controlled step-up DC/DC converters. The built-in 1.4Ω switching transistor type enables a step-up circuit to be configured using only three components, a coil, a diode, and a capacitor. Output voltage can be selectable in the range from 2.0V to 7.0V in increments of 100mV (accuracy: ± 2.5%). Oscillation frequency is also selectable from 50kHz, 100kHz, and 180kHz (accuracy:±15%) for the XC6371 and the XC6372 series. Soft-start time is internally set and offers protection against in-rush currents when the power is switched on and prevents voltage overshoot. 5 pin packages, which are provided with either a CE (chip enable) function that reduces power consumption during shut-down mode, or a VDD pin (separated power and voltage detect pins) are available. The XC6371 series is the standard PWM controlled products. The control of the XC6372 series switches from PWM to PFM control during light loads when automatically switching is selected and the series is highly efficient from light loads to large output currents. Since the XC6373 series is a low noise, it is suitable for a wireless circuit. Also the series is particularly suited for use with pager applications because oscillation frequency is set at 30kHz (±20%) so as to attain the lowest consumption current possible. ■ APPLICATIONS ● Cellular phones, Pagers ● Palmtops ● Cameras, Video recorders ● Portable products ■ TYPICAL APPLICATION CIRCUIT ■ TYPICAL PERFORMANCE CHARACTERISTICS ■ FEATURES Operation Start Voltage Range: 0.9V~10V Output Voltage Range : 2.0V~7.0V in 100mV increments Highly Accurate : Setting voltage accuracy±2.5% Oscillation Frequency : 50kHz, 100kHz, 180kHz (±15%) selectable (XC6371/72) 30kHz (XC6373) Maximum Output Currents (Tr. built-in) : 100mA(TYP.) @ VIN=3.0V, VOUT=5.0V * Highly Efficient (Tr. built-in) : 85%(TYP.) @ VIN=3.0V, VOUT=5.0V * Built-in switching transistor type. Five-lead packaged units offer either chip enable or independent VOUT pin option. Phase compensation and soft start-up circuits built-in. Small Packages :SOT-89, SOT-89-5,USP-6B *: Performance depends on external components and PCB layout. ☆ GO-Compatible |
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