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Semtech Corporation |
Asynchronous Voltage Mode PWM Controller Low cost / small size Switch mode efficiency up to 95% 1% reference voltage accuracy Over current protection 500mA output drive SO-8 package SC1101 features include a temperature compensated voltage reference, triangle wave oscillator, c |
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Semtech Corporation |
PROGRAMMABLE/ HIGH PERFORMANCE MULTI-PHASE/ PWM CONTROLLER under-voltage lock-out with hysteresis and overcurrent protection. FEATURES • Allows use of small surface mount components • Ultra fast transient recovery time • Wide, High frequency operating range • Selectable 2, 3, 4 phase operation • Floating fe |
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Semtech Corporation |
Synchronous PWM Controller The SC1109 was designed for the latest high speed motherboards. It combines a synchronous voltage mode controller (switching section) with two low-dropout linear regulator controllers. The voltage mode controller provides the power supply for the sy |
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Semtech Corporation |
0.8AMP POSITIVE VOLTAGE REGULATOR include temperature compensated voltage reference, triangle wave oscillator and current sense comparator circuitry, and allows the use of inexpensive N-channel power switches. The SC1110 operates at a fixed 250kHz, providing an optimum compromise bet |
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Semtech Corporation |
SINK AND SOURCE DC/DC CONTROLLER FOR TERMINATION POWER SUPPLY APPLICATIONS include temperature compensated voltage reference, triangle wave oscillator and current sense comparator circuitry, and allows the use of inexpensive N-channel power switches. The SC1110 operates at a fixed 250kHz, providing an optimum compromise bet |
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Semtech Corporation |
HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER • 4V to 24V input voltage operation • Adjustable output voltage • Low quiescent current at 100µA • Pulse-skipping and pulse-frequency modulation • • • maintain high efficiency (max. 95%) 90kHz to 250kHz oscillator frequency Power-saving shutdown mode |
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Semtech Corporation |
PRECISION SHUNT VOLTAGE REFERENCE •= Trimmed bandgap design (0.8%, 0.32% for •= Wide operating current range 20µA to 20mA •= Low dynamic impedance (0.2Ω) •= SO-8 package APPLICATIONS •= •= •= •= Micropower circuitry Portable meters Battery powered systems Temperature sensors SC1004A |
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Semtech Corporation |
HIGH SPEED SYNCHRONOUS POWER MOSFET DRIVER Fast rise and fall times (15ns typical with 3000pf load) 3 Amp peak drive current 14ns max Propagation delay (BG going low) Adaptive Non-overlapping Gate Drives provide shoot-through protection Floating top drive switches up to 25V Under- |
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Semtech Corporation |
DUAL 150mA LDO REGULATOR WITH PROGRAMMABLE RESET •= Up to 150mA per regulator output •= Low quiescent current •= Low dropout voltage •= Wide selection of output voltages •= Stable operation with ceramic caps •= Tight load and line regulation •= Current and thermal limiting •= Reverse input polarity |
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Semtech Corporation |
200mA & 250mA SmartLDOs Glitch-free transition between input sources Internal logic selects input source Gate drive for external PMOS bypass switch 5V detection with hysteresis 1% regulated output voltage accuracy 200mA load current capability (250mA for SC1531A) Remote sen |
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Semtech Corporation |
MICROPOWER INVERTING DC-DC CONVERTER • 2.4V to 7V input voltage operation • Adjustable output voltage up to -40V • Low quiescent current at 80µA • Pulse frequency modulation maintains high • • • efficiency (max 87%) 70kHz to 160kHz switching frequency Power-saving shutdown mode (0.7µA t |
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Semtech Corporation |
Portable Pentium 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™ requirements for even longer battery life. The SC1474 automatically |
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Semtech Corporation |
PRECISION SHUNT VOLTAGE REFERENCE •= Trimmed bandgap design (0.8%, 0.32% for •= Wide operating current range 20µA to 20mA •= Low dynamic impedance (0.2Ω) •= SO-8 package APPLICATIONS •= •= •= •= Micropower circuitry Portable meters Battery powered systems Temperature sensors SC1004A |
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Semtech Corporation |
150mA ULTRA LOW DROPOUT MICROPOWER LINEAR REGULATOR •= •= •= •= •= •= •= •= Low dropout voltage CMOS/TTL compatible control switch Very low quiescent current 60µA (ON, no load) Internal thermal shutdown Short circuit protection Very low standby current 0.1µA maximum (OFF) Low noise with external bypas |
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Semtech Corporation |
COMBINATION SWITCHING CONTROLLER AND LOW DROPOUT REGULATOR %(1%1 + "!)+,!*( + %+- !(%+ %),!*(; $% "!(%+ * ,!*( !- + $!.$ % 6* 4+()% *-!,!7% 7*",+.% %./"+,* 1%-!.(%1 6* /-% !( + "!)+,!*(- %5/! !(. =7% 8 "*0 1 * */, % 6* 4+()%> +, # # +(1 ? +4 - 11!,!*(+""8# ,$% "!(%+ -%),!*( *7!1%- %9)%" |
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Semtech Corporation |
PROGRAMMABLE DC/DC CONTROLLER an integrated 5 bit D/A converter, pulse by pulse current limiting, integrated power good signaling, logic compatible shutdown and on-board over voltage protection (OVP). The SC1151 operates at a fixed frequency of 200kHz, providing an optimum compro |
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Semtech Corporation |
Programmable Synchronous DC/DC Converter The SC1172/3 combines a synchronous voltage mode controller with a low-dropout linear regulator providing most of the circuitry necessary to implement two DC/DC converters for powering advanced microprocessors such as Pentium® II . The SC1172/3 swit |
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Semtech Corporation |
600mA Low Dropout Positive Voltage Regulator include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. The SC1202 series are three terminal regulators available in the surface mount SOT-223 package. |
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Semtech Corporation |
600mA Low Dropout Positive Voltage Regulator include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. The SC1202 series are three terminal regulators available in the surface mount SOT-223 package. |
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Semtech Corporation |
Multi-Output/ Low-Noise Power Supply Controller for Notebook Computers •= 6V to 30V Input range •= 3.3V and 5V dual synchronous rectified outputs •= Fixed frequency or PSAVE for maximum efficiency •= •= •= •= •= •= •= •= •= •= over wide load current range 5V/50mA linear regulator 12V/120mA linear regulator Precision 2.5 |
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Desde 2024. D4U Semiconductor.
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