high efficiencylow powercharge pump circuithigh-voltage generatorstandard CMOS process设计实现了一种高效率的电荷泵电路.利用电容和晶体管对电荷传输开关进行偏置来消除开关管阈值电压的影响.同时,通过对开关管的的衬底进行动态的偏置使得在电荷传输期间当开关管打开时其阈值电压较低,在开关管关断时其阈值电压较高.该...
Conventional charge pump circuits use a fixed switching frequency that leads to power efficiency degradation for loading less than the rated loading. This paper proposes a level shifter design that also functions as a frequency converter to automatically vary the switching frequency of a dual charge ...
ChargePumpDicksonCircuitEEPROM电荷泵是一种运用电荷在电容器中积累产生高压的电路,它广泛应用于串口通信电路、EEPROM、动态随机存储器等需要高压的领域。在EEPROM中,... 翟艳男 - 哈尔滨理工大学 被引量: 4发表: 2009年 一种电荷泵电路 本发明公开了一种电荷泵电路,包括上电流镜,运算放大器,下电流镜,积分电容,启动...
A 1 V Input, 3 V-to-6 V Output, 58%-Efficient Integrated Charge Pump With a Hybrid Topology for Area Reduction and an Improved Efficiency by Using Parasitics A 1 V Input, 3 V-to-6 V Output, 58%-Efficient Integrated Charge Pump With a Hybrid Topology for Area Reduction and an Improv...
PURPOSE: A charge pump circuit is provided to reduce area of a memory device by using a smaller NMOSFET as a switching device. CONSTITUTION: A circuit(30) includes a charge pump(32) driving SMPS drivers(14,16). The charge pump comprises a first driver(X1) and a second driver(X2), th...
A charge pump circuit alleviates the body effect of a charge transfer transistor, thereby improving the charge transfer efficiency of the charge transfer transistor and thus pumping efficiency. The charge pump circuit includes a plurality of boosting stages that have input nodes and boosting nodes that...
A multi-modes regulated charge pump with improved efficiency over wide input and load range is proposed in this paper. The output voltage is regulated to 5 V when input is 4.5-2.7 V. By alternating the switch network, it can realize 2x, 1.5x, and 1.33x conversion modes, which improves ...
charge-pump boost converter exhibits 90% efficiency over a wide range of load currents. In previous generations of discrete, charge-pump-based boost converters, conventional and low-power logic ICs have been used to create the charge-pump clock. While many of these logic chips are designed for...
The present invention relates to a charge pump capable of enhancing power efficiency and output voltage, which comprises a pump capacitor, a switching module, a first switch, a first buffer, a first switch, and an output capacitor. The switching module is coupled to a first terminal of the ...
发明人: P Feng 被引量: 50 摘要: The ramp up time of a change pump is decreased by providing shunt capacitors connecting nodes of the serially connected stages to the output terminal of the charge pump, thereby reducing the impedance of the charge pump and decreasing ramp up time.收藏...