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Semtech Corporation |
High Performance Dual Ended PWM Controller are high frequency operation of 1 MHz that allows the use of smaller components thus saving cost and valuable board space. An internal ramp www.DataSheet4U.com on the Current Sense pin allows Internal Slope Compensation programmed by an external resi |
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Semtech Corporation |
EcoSpeed Step-down Controller Input supply voltage range — 3.0V to 28V Controller supply voltage range — 3.0V to 5.5V All ceramic solution enabled I2C interface Output voltage fine adjust control Output voltage margining Supports dynamic voltage transitions via the |
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Semtech Corporation |
Wide Input Range High Performance Synchronous Buck Switching Regulator such as regulated DRV supply, programmable soft-start, high current gate drivers, internal bootstrapping for driving high side N-channel MOSFET, shoot through protection, RDS-ON sensing with hiccup over current protection, and asynchronous start up w |
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Semtech Corporation |
High Effi ciency Integrated Driver Wide input voltage range from 4.5V to 21V 36V maximum output voltage Drives up to 40 WLEDs in 4 strings Programmable LED current for up to 150mA per string +/- 2% string-to-string current matching Up to 90% efficiency Wide 0.2% to 100% PW |
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Semtech Corporation |
Buck or Buck-Boost Current Mode Controller Wide input voltage range 2.7V to 15V Programmable output voltage Programmable switching frequency up to 1.5MHz Buck or buck boost(inverting) configuration Current mode control with slope compensation Very low quiescent current in shut |
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Semtech Corporation |
High Efficiency Integrated Driver a comprehensive open and short circuit LED protection functions. It disables the corresponding strings with LED open or LED short conditions while keeping other strings under normal operation. This feature allows LCD panels to remain viewable even un |
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Semtech Corporation |
Dual Phase Power Supply Controller extended Intel Mobile Voltage Positioning (IMVP™) to increase battery life by reducing the voltage at the processor when it is heavily loaded. It directly supports Intel’s SpeedStep® processors for even longer battery life. The SC450 fully supports t |
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Semtech Corporation |
High Efficiency Synchronous Buck Asynchronous start up Programmable switching frequency up to 1MHz BiCMOS voltage mode PWM controller 2.7V to 5.5V input voltage range Output voltage as low as 0.5V +/-1% reference accuracy Sleep mode (Icc = 10µA typ) Adjustable lossless short circuit |
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SEMTECH |
NPN Silicon Epitaxial Planar Transistor ˙ Low VCE(sat) ˙ Excellent current gain characteristics TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (T a = 25 OC) Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Collector Current Symbol VCBO VCEO VEBO |
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Semtech Corporation |
Step Down Controller BICMOS voltage mode PWM controller 2.8V to 5.5V Input voltage range Output voltages as low as 0.8V +/-1% Reference accuracy Sleep mode (Icc = 10µA typ) Lossless adjustable short circuit current limiting Combination pulse by puls |
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Semtech Corporation |
Dual Synchronous Buck Controller VIN Range 3-25V Outputs Adjustable from 0.75 to 5.25V, or Preset Output Voltages: VOUT1 = 1.8 or 1.5V VOUT2 = 1.25 or 1.05V Low Shutdown Power Constant On-Time for Fast Dynamic Response www.DataSheet4U.com Adjustable Switching Frequency Sep |
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Semtech Corporation |
VID Programmed Single Phase Power Supply Controller softstart, an open-drain PWRGD signal with power good blanking, and an enable input. Programmable current limiting shuts down the SC453 after 32 current limit pulses. SC453 Features High Speed Hysteretic Controller Single Phase Operation Selectable |
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Semtech Corporation |
High Performance Dual Ended PWM Controller are high frequency operation of 1 MHz that allows the use of smaller components thus saving cost and valuable board space. An internal ramp www.DataSheet4U.com on the Current Sense pin allows Internal Slope Compensation programmed by an external resi |
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Semtech Corporation |
High Performance Dual Ended PWM Controller 120µA starting current Pulse by pulse current limit Programmable operation up to 1MHz Internal soft start Programmable line undervoltage lockout Over current shutdown Dual output drive stages on push-pull configuration Programmable |
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Semtech Corporation |
High Performance Current Mode PWM Controller a high frequency of operation, accurately programmable maximum duty cycle, current mode control, line voltage monitoring, supply UVLO, low start-up current, and programmable soft start with user accessible reference. It operates in a fixed frequency, |
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Semtech Corporation |
PRECISION SHUNT VOLTAGE REFERENCE • Trimmed bandgap design (0.2%) • Wide operating current range 60µA to 20mA • Low dynamic impedance (0.25Ω) • Available in SOT-23, TO-92 and SO-8 APPLICATIONS • Cellular telephones • Portable computers • Instrumentation • Automotive PIN CONFIGURATIO |
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Semtech Corporation |
PRECISION SHUNT VOLTAGE REFERENCE • Low voltage operation (1.225V) • Trimmed bandgap design (0.1%) • Wide operating current range 60µA to 20mA • Low dynamic impedance (0.25Ω) • Available in SOT-23, TO-92 and SO-8 APPLICATIONS • Cellular telephones • Portable computers • Instrumentati |
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Semtech Corporation |
2MHz Step-Up Switching Regulator u u u u u u u u u Low saturation voltage switch: 220mV at 2A Constant switching frequency current-mode control Programmable switching frequency up to 2MHz Soft-Start function Input voltage range from 1.4V to 16V Output voltage up to 32V Low shutdown |
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Semtech Corporation |
Buck or Buck-Boost Current Mode Controller Wide input voltage range 2.7V to 15V Programmable output voltage Programmable switching frequency up to 1.5MHz Buck or buck boost (inverting) configuration Current mode control with slope compensation Very low quiescent current in s |
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Semtech Corporation |
Highly Integrated Step-Up Converter VIN range: 2.7V — 10V Integrated Schottky diode 81% efficiency Requires only 4 external components Up to 20V of output voltage 30mA maximum LED current Open LED protection (OVP) 1.2MHz PWM switching frequency Low feedback voltage (20OmV typical) Wide |
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