The packaged NCP1200 in a SOIC-8 or PDIP-8 package represents a major leap towards ultra-small switching power supplies. Thanks to a brand new concept, the circuit allows to implement a complete offline battery charger or few external standby SMPS components. Additionally, integrated output short-circuit protection allows designers to build an extremely low-cost AC-DC adapter...
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The NCP1212 is a high performance current mode PWM controller designed for off-line DC-DC converter applications. The device requires very few external components, providing additional protection for the designer for better system reliability. The device features a trimmed oscillator with precise duty cycle control, an accurate bandgap voltage reference, a high gain error amplifier, a...
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Packaged in SO-8 or PDIP-7, the NCP1217 represents an enhanced version of the NCP1203 controller. Due to its high drive capability, the NCP1217 driver, large gate charge MOSFET, together with internal slope compensation and built-in overvoltage protection ease the design of modern AC/DC adapters. The NCP1217 provides a true replacement for UC384X based designs. I...
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The NCP1560 PWM controller contains all the functions and flexibility required to implement a single-ended DC/DC converter in high voltage mode control performance. The device is cost effective to reduce part of the system, several listed high voltage start-up regulators operate over a wide input range of 21.5 V to 150 V. The NCP1560 provides two control outputs, the output contr...
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The NCP5331 is a second-generation, two-phase step-down controller that powers 64-bit AMD Athlon processors with advanced control features and low voltage, high current power supplies. A proprietary multiphase architecture ensures balanced load current sharing, reduces output voltage and input current ripple, reduces filter requirements, inductance values, and increases output current sle...
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The PUCC3801 is a current mode pulse width modulation (PWM) controller containing all the control and protection functions needed to implement an off-line, flyback or forward converter with a minimum number of external components. Features * Very low start-up supply current 50 mA (typical) * Low operating supply current 1.2 mA (typ.) * Accurate, internally trimmed, fixed frequency os...
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The SG1524B is a switching power supply PWM which features improved performance over the industry standard SG1524. A direct pin-to-pin replacement for earlier devices, it combines advanced processing techniques and circuit design to provide improved reference accuracy, and an extended common-mode range error amplifier and current-limiting inputs. DC-coupled flip-flops eliminate trigger...
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The MAX5014/MAX5015 integrate all the modules required to implement the DC-DC fixed frequency isolated power supply. These devices feature an integrated high voltage current mode controller start-up circuit for isolated telecom/industrial voltage range power supplies. Current-mode control leading-edge blanking simplifies control-loop design and internal slope compensation circuitry st...
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The MAX5038/MAX5041 dual-stage, PWM controllers provide high output current capability in a compact package with minimal external component count. The MAX5038/MAX5041 utilize dual-phase, average-current-mode control, enabling optimal use of low RDS(ON) MOSFETs, without the need for an external heat sink even when delivering high output currents. Differential sensing te...
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The MAX5052/MAX5053 current-mode PWM controllers contain all of the control circuits designed for wide-input-voltage isolation and non-isolated power supplies. The MAX5052 is ideal for universal input (rectified 85VAC to 265VAC) or telecom (-36VDC- 72VDC) power supplies. The MAX5053 is ideal for low input voltage (10.8VDC to 24VDC) power supplies. The MAX505...
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The MC34023 family of high-speed, fixed-frequency, single-ended PWM controllers are optimized for high-frequency operation. They are designed for designers of off-line and DC-DC converter applications to provide a cost-effective solution with minimal external components. These ICs feature oscillators, temperature compensated references, a high bandwidth error amplifier, high speed cu...
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