Silicon Storage Technology, Inc.

Wingfu AAron Lau

Hieu Van Tran

Vishal Sarin

Thuan Vu

Anh Ly

Sang Thanh Nguyen

Loc Bao Hoang

Nasrin Jaffari

Hung Quoc Nguyen

Hung O Nguyen

A digital multilevel memory system includes a charge pump and a voltage regulator for generating regulated high voltages for various memory operations. The charge pump may include a plurality of boost circuits to boost the output of the charge pump during a fast start up. Afterwards, the boost circuits are disabled to allow the charge pump to generate high voltages without boosting. The boost circuits may be successively enabled to boost the voltage. The boost circuits may be loadless. The voltage regulator may operate in an open loop and may include a resistive divider as a reference voltage for regulating the high voltage from the charge pump. The charge pump may include spread spectrum pump clocking to reduce electromagnetic inference for capacitor or inductor on-chip charge pumping.

Fast start charge pump for voltage regulators

Fast voltage regulators for charge pumps

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San Jose, CA, United States of America

Wingfu AAron Lau