Features • Low output impedance (at VIN = 5V, typical 35Ω) • Low quiescent current (typ. 36µA at VIN=5V) • High power conversion efficiency (98% typical) • Simple and accurate voltage conversion positive to negative polarity • Improved lockout protection • No external diode required Applications • - 5V Power Supply + 5V Logic Power Supply • EIA/TIA - 232E a...
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Intersil's ICL7660 and ICL7660A monolithic CMOS power circuits offer unique performance advantages over previous devices. The ICL7660 performs a conversion from a positive supply voltage of +1.5 V to an input range of +10.0 V resulting in a negative complementary output voltage of -1.5V-10.0V and the ICL7660A does not convert the same with an input range of +1.5 V to 1...
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The MAX1044 and ICL7660 are monolithic, CMOS switched capacitor voltage converters that invert, dual, divide, or multiply a positive input voltage. They are the industry standard ICL7660 and pin compatible with the LTC1044. Guaranteed to operate from 1.5V to 10V over temperature without external diodes. They provide a 0.5V output drop of 10mA. The MAX1044 has a BOOS...
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The MAX1595 charge-pump regulator generates 3.3V or 5V from a 1.8V to 5.5V input. A unique control architecture allows the regulator to step up or step down the input voltage to maintain output regulation. The 1MHz switching frequency, along with the unique control scheme, allows the use of ceramic capacitors for a small 125mA output current of 1µF. The complete regulator requires ...
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The MAX1680/MAX1681 inductorless switched-capacitor voltage converters either invert an input voltage of +2.0 V to +5.5 V or dual, while delivering up to 125mA of output current. They have a selectable frequency option that allows the use of small capacitors: 4.7µF (MAX1680), 1µF (MAX1681). With their high output current capability, these charge pump devices are suitable for ...
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The LTC®1429 is a switched capacitor voltage inverter designed to provide a regulated negative voltage from a single positive supply, allowing clock synchronization in noise-sensitive systems. The LTC1429CS operates from a single 3V8V supply and provides an adjustable output voltage of -1.25V to -8V. On-chip resistor strings allow the LTC1429CS to be configured for output volt...
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The LTC®1516 is a micropower charge pump DC/DC converter that generates a 5V power supply from a 2V 5V regulated output. Extremely low supply current (12mA typical at no load,
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The LTC®1550/LTC1551 switched capacitor charge pump high voltage inverters include internal linear postregulators to minimize output ripple. Output Voltage - 4.1V fixed, typically less than 1mVP-P ripple voltage. The LTC1550 is also available in an adjustable output voltage version. The LTC1550/LTC1551 are ideal for use as GaAs transmitter field effect transistor bias vo...
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The LTC®1555/LTC1556 provide power translation, level translation requires 3V for GSM mobile phones, 3V or 5V for the Subscriber Identity Module Interface (SIMS). These parts contain a charge pump DC/DCSIM converter that provides a 5V regulated power supply. The input voltage can range from 2.7V to 10V, allowing direct connection to the battery. The output voltag...
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Low noise, low dropout (LDO) linear regulators inside the LTC®1682/LTC1682-3.3/LTC1682-5x charge pump. These components are designed to provide a low noise boost to the supply voltage for powering noise sensitive equipment such as high frequency VCO's for wireless applications. An internal multiplying charge pump converts a 1.8V to 4.4V input into a boost output, while an ...
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The LTC®1751 series of micropower charge pump DC/DC converters produce a regulated output voltage at up to 100mA. The input voltage range is 2V to 5.5V. Extremely low operating current (20mA with no typical load) and low external component count (one jumper capacitor and two bypass capacitors at VIN and VOUT) make them ideal for small, battery-powered applications. The LTC...
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