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US20090285038 INTERLEAVING CHARGE PUMPS FOR PROGRAMMABLE MEMORIES  
Systems and methods, including computer software for performing operations enable interleaving of charging operations in a charging pump. A first charge pump is charged to a predetermined level,...
US20090284308 VOLTAGE GENERATION CIRCUIT AND FLASH MEMORY DEVICE INCLUDING THE SAME  
A voltage generation circuit includes a high voltage detector (HVD), a clock signal control unit (CSCU), an oscillator, a pumping clock control unit (PCCU), and a charge pump. The HVD compares a...
US20090284307 High voltage pumping circuit  
A swing width control circuit and a high voltage pumping circuit using the same are disclosed. The swing width control circuit includes a swing width controller for receiving a first pumping signal...
US20090278591 POWER SUPPLIES IN FLASH MEMORY DEVICES AND SYSTEMS  
Power supplies in flash memory devices are disclosed. A first section of a flash memory device includes non-volatile memory for storing data. A second section of the flash memory device includes at...
US20090273391 FLASH MEMORIES AND REGULATED VOLTAGE GENERATORS THEREOF  
A flash memory and a regulated voltage generator thereof. The regulated voltage generator includes a charge pump having an output terminal outputting a first voltage, a control circuit coupled to...
US20090261893 SEMICONDUCTOR DEVICE INCLUDING CELL TRANSISTOR AND CELL CAPACITOR  
A semiconductor memory device includes a current source, a first resistance element, a comparator, and a charge pump. The current source supplies current to a first node. The current source...
US20090261892 Voltage generating circuit and semiconductor device having the same  
An active charge pump circuit may include a charge pump circuit, a control circuit, and a charge transfer circuit. The charge pump circuit may generate a charge pumping voltage in response to an...
US20090261891 Charge Pump  
The present invention relates to a charge pump, which uses a chopper circuit or a clamp circuit coupled between a pump capacitor and an output capacitor for preventing a parasitic transistor...
US20090261890 REGULATED VOLTAGE BOOST CHARGE PUMP FOR AN INTEGRATED CIRCUIT DEVICE  
An apparatus and method for a regulated voltage boost charge pump for an integrated circuit (IC) device. The charge pump generally includes a plurality of switching networks and a lift capacitor...
US20090257289 INTERNAL VOLTAGE GENERATOR AND SEMICONDUCTOR MEMORY DEVICE INCLUDING THE SAME  
A semiconductor device including an internal voltage generator circuit that provides an internal voltage having a different level depending on the operation speed is provided. The semiconductor...
US20090256627 MULTISTAGE CHARGE PUMPS WITH DIODE LOSS COMPENSATION  
Multistage charge pumps with diode loss compensation are disclosed. In one example, a pre-regulated charge pump to generate a voltage is described. The example pre-regulated charge pump includes a...
US20090256626 MULTI-STEP CHARGE PUMP AND METHOD FOR PRODUCING MULTI-STEP CHARGE PUMPING  
A multi-step charge pump having a power input terminal and a power output terminal is provided. The multi-step charge pump includes a plurality of capacitors, wherein each of the capacitors has a...
US20090256625 CIRCUIT AND METHOD FOR A GATE CONTROL CIRCUIT WITH REDUCED VOLTAGE STRESS  
Circuit and method for a gate control output circuit having reduced voltage stress on the devices is disclosed. In a circuit of MOS transistors for supplying an output to control a transfer gate,...
US20090256616 HOT SWAP CONTROLLER WITH ZERO LOADED CHARGE PUMP  
The present invention includes a pass transistor that limits current drawn from a circuit without using a series resistor and while drawing minimal current from an external supply. A current mirror...
US20090251188 Clock driver and charge pump incluing the same  
A clock driver capable of minimizing the ripple of an output signal of a charge pump, and the charge pump including the clock driver are disclosed. The clock driver that generates at least one...
US20090243706 VOLTAGE REGULATED CHARGE PUMP  
A voltage regulated charge pump includes a charge pump circuit for receiving an input voltage to generate an output voltage, in which the charge pump circuit further includes a capacitor, a first...
US20090243671 DISTURBANCE SUPPRESSION CAPABLE CHARGE PUMP  
One embodiment described is charge pump arrangement that includes a regulator to regulate signals associated with two output nodes. A switching mechanism may be coupled to the regulator. The...
US20090243670 SELF-REGULATED CHARGE PUMP WITH LOOP FILTER  
One embodiment described is a charge pump arrangement that includes at least one input node and two output nodes. A regulator is included to regulate at least one of the two output nodes, the...
US20090237149 VOLTAGE GENERATING CIRCUIT  
A charge pump provides high boosting efficiency with low power loss even with a heavy load. Plural charge transfer switches are connected in series forming two lines of charge transfer circuits...
US20090237148 CHARGE PUMP CIRCUIT  
There is provided a charge pump circuit which can prevent EMI noise of a frequency component independent of an operation clock frequency from occurring at the time of a change from a disable state...
US20090237147 VPP pumping circuit and VPP pumping method using the same  
Disclosed are a high voltage pumping circuit and a VPP pumping method using the same. The high voltage pumping circuit includes an initializing unit for initializing a high voltage in response to a...
US20090237146 Dynamic Voltage Pump Circuit and Method of Dynamically Generating an Output Supply Voltage Thereof  
A dynamic voltage pump circuit includes a first stage voltage pump, a second stage voltage pump, a limiter, and a comparator. The first stage voltage pump generates an intermediate supply voltage...
US20090231023 INTEGRATED CIRCUITS WITH PROGRAMMABLE WELL BIASING  
An integrated circuit includes a substrate, a storage device formed in the substrate to hold bias settings, and operational blocks formed in the substrate, each operational block including an...
US20090231022 PUMPING VOLTAGE GENERATING CIRCUIT  
A pumping voltage generating circuit of a semiconductor memory apparatus, the pumping voltage generating circuit includes a detecting unit configured to compare a level of a pumping voltage with a...
US20090219082 Semiconductor device whose internal power supply voltage is generated by voltage step-up circuit  
A semiconductor device includes a voltage step-up circuit and a control circuit. The voltage step-up circuit includes at least a first capacitor and a second capacitor which generate an internal...
US20090219081 INTERNAL VOLTAGE GENERATOR OF SEMICONDUCTOR MEMORY DEVICE  
An internal voltage generation circuit of semiconductor memory device includes a reference voltage generation unit configured to generate a reference voltage, and a pumping control unit configured...
US20090219080 INTERNAL VOLTAGE GENERATION CIRCUIT  
Internal voltage generation circuit including a reference oscillation signal generator for generating a reference oscillation signal according to a comparison result of a pumping voltage with a...
US20090219079 CHARGE PUMP CIRCUIT FOR RFID INTEGRATED CIRCUITS  
An exemplary embodiment of the invention provides a charge pump stage ( 100 ) that comprises a first input node ( 101 ), a second input node ( 107 ), a decoupling capacity ( 109 ) having a first...
US20090219078 CHARGE PUMP DOWN CIRCUIT AND METHOD FOR THE SAME  
The present invention discloses a charge pump down circuit which comprises three capacitors operating in three time phases. In the first time phase, the total of the voltages across the three...
US20090219077 VOLTAGE MULTIPLIER WITH IMPROVED EFFICIENCY  
A multi-stage voltage multiplication circuit and methodology are provided which use a multi-stage charge pump boosting circuit ( 210 ) and two-stage pass gate circuit ( 220 ) having complementary...
US20090206917 Two Stage Voltage Boost Circuit With Precharge Circuit Preventing Leakage, IC and Design Structure  
A two stage voltage boost circuit, IC and design structure are disclosed for boosting a supply voltage using gate control circuitry to reduce gate oxide stress, thus allowing lower voltage level...
US20090206916 Voltage Boost System, IC and Design Structure  
A voltage boost system, IC and design structure are disclosed for boosting a supply voltage while preventing forward biasing of n-well structures. The voltage boost system may include a first...
US20090206915 Two Stage Voltage Boost Circuit, IC and Design Structure  
A two stage voltage boost circuit, IC and design structure are disclosed for boosting a supply voltage using gate control circuitry to reduce gate oxide stress, thus allowing lower voltage level...
US20090206893 CHARGE PUMP CIRCUIT AND PLL CIRCUIT  
PLL circuit 1000 includes a charge pump circuit 100 , a low-pass filter 101 , a voltage controlled oscillator 102 , a frequency divider 103 , and a phase comparator 104 . As in the...
US20090201076 SEMICONDUCTOR CHARGE PUMP USING MOS (METAL OXIDE SEMICONDUCTOR) TRANSISTOR FOR CURRENT RECTIFIER DEVICE  
A semiconductor charge pump includes a plurality of P-channel MOS transistors being connected in series, a plurality of first pumping capacitors one electrode of each of which is connected to a...
US20090200956 POWER SUPPLY CIRCUIT AND PORTABLE DEVICE  
A power supply circuit has a charge pump (CHP) step-up circuit including multiple CHP units for stepping up a given power supply voltage to a step-up voltage higher than the power supply voltage,...
US20090195299 APPARATUS AND METHOD FOR PREVENTING EXCESSIVE INCREASE IN PUMPING VOLTAGE WHEN GENERATING PUMPING VOLTAGE  
A device for generating a pumping voltage and preventing an excessive increase in the pumping voltage includes a pumping voltage output unit that outputs a pumping voltage and adjusts the level of...
US20090195298 CHARGE PUMP CIRCUIT AND ELECTRONIC APPARATUS PROVIDED WITH THE SAME  
A pumping circuit includes: a pumping capacitance; a first drive transistor connected between an input node for receiving an input voltage and one terminal of the pumping capacitance; and a second...
US20090189681 SELF-OSCILLATING REGULATED LOW-RIPPLE CHARGE PUMP AND METHOD  
Charge pump circuitry ( 30 ) compares bottom plate voltages of first (C 1 ) and second (C 2 ) flying capacitors in a current mode charge pump ( 1 B) to a reference value (V DD −V 28 ) by means of...
US20090184753 CHARGE PUMP CIRCUIT  
Provided is a charge pump circuit capable of shortening a settling time. When a boosted voltage (Vout) becomes high to be equal to or larger than an overshoot voltage, a transistor (T1) is turned...
US20090184239 Boost circuit capable of controlling inrush current and image sensor using the boost circuit  
In one embodiment, the boost circuit includes a boost unit configured to perform a charge pumping operation based on a control signal. A controller is configured to control the boost unit such that...
US20090179691 VOLTAGE GENERATOR CIRCUIT  
Embodiments are provided that include a circuit for generating voltage in a memory. One such circuit includes a charge pump circuit including a first transistor, a high-voltage switch circuit, and...
US20090174466 CHARGE PUMP CIRCUIT  
A charge pump circuit is provided. The charge pump circuit includes a pump unit, first through sixth switches, a fly capacitor and an output capacitor. In a first period, an input voltage and a...
US20090167419 Voltage converting circuit  
Leakage current flowing into load is prevented when a charge pump circuit operation is halted. The charge pump circuit converts supply voltage, supplied to a supply-voltage input terminal, to an...
US20090167418 Supply Regulated Charge Pump System  
An apparatus and a method for maintaining an output voltage of a charge pump circuit near a target voltage is disclosed. A regulated supply voltage is generated based on the output voltage of the...
US20090167417 CHARGE PUMPING CIRCUIT WITH DECREASED CURRENT CONSUMPTION  
A charge pumping circuit consumes less current by reducing the number of charge pumps operating simultaneously. The charge pumping circuit includes a voltage sensor that detects a level of a high...
US20090167416 CURRENT CONSUMPTION PREVENTION APPARATUS OF A HIGH VOLTAGE GENERATOR  
A current consumption prevention apparatus includes a first current supply unit for transferring charges from a capacitor connected to a first inverter group to a capacitor connected to a second...
US20090160534 Circuit Arrangement for Providing a Voltage Supply for a Transistor Driver Circuit  
The invention relates to a circuit arrangement for providing a voltage supply for a driver circuit for driving a semiconductor switch. The circuit arrangement has: a first bootstrap circuit which...
US20090160533 DC-DC VOLTAGE CONVERTER HAVING STABILIZED DIVIDED OUTPUT VOLTAGE  
A DC-DC voltage converter includes a current comparator converting a fixed reference voltage and an input voltage to a corresponding reference current and input current. The current comparator...
US20090160532 Charge pump circuit  
A charge-pump circuit without reverse current is disclosed. The charge-pump circuit includes: several diode equivalent networks connecting in series, between any two of adjacent diode equivalent...
Matches 1 - 50 out of 201 1 2 3 4 5 >