Clamp circuit

H Abe, H Ishihara, S Noda - US Patent 6,794,921, 2004 - Google Patents
In the clamp circuit, the first transistor shifts a target clamp voltage by a gate-source voltage
to output the target clamp voltage. The buffer circuit inputs the shifted voltage and output a …

Soft-start voltage regulator circuit

GJ Smith - US Patent 6,969,977, 2005 - Google Patents
A step-down Switching regulator may be configured to provide a regulated output Voltage
(Vout) in response to an input voltage (Vin). The Switching regulator may include a top-side …

Switch controller of a converter with a soft start signal generator comprising a plurality of current sources

JT Kim, GB Koo, HS Choi - US Patent 8,169,802, 2012 - Google Patents
Disclosed are a switch controller, a switch control method, a converter using the same, and a
driving method thereof. A first voltage is generated by using a voltage that is input to an input …

Capacitor multipler circuits and the applications thereof to attenuate row-wise temporal noise in image sensors

AE Zadeh - US Patent 7,642,498, 2010 - Google Patents
The various embodiments disclose capacitor multiplier circuits that may be integrated into
imaging devices, such as for semiconductor Complimentary Metal Oxide Semiconductor …

Intrinsic comparator delay for output clamping circuit

M Xiao, J Wang - US Patent 8,890,599, 2014 - Google Patents
A circuit includes a comparator to generate a clamp output signal by monitoring an output
voltage and a reference voltage that sets a clamp voltage threshold for the output voltage …

Soft-start circuit and method for a switching regulator

SH Lu, IY Chen - US Patent App. 12/830,638, 2011 - Google Patents
A soft-start circuit for a switching regulator includes a signal generator and a scaling circuit
coupled to the signal generator. During soft-start, the signal generator provides a ramp …

Capacitance multiplier circuit exhibiting improving bandwidth

S Schoenbauer - US Patent 7,113,020, 2006 - Google Patents
A monolithic capacitance multiplication circuit serves to reduce the required die area when
larger capacitance values are needed such as in filter and loop frequency compensation …

Switch controller, switch control method, converter using the same, and driving method thereof

JT Kim, GB Koo, HS Choi - US Patent 8,670,252, 2014 - Google Patents
Disclosed are a switch controller, a switch control method, a converter using the same, and a
driving method thereof. A first voltage is generated by using a voltage that is input to an input …

Low power voltage detection circuit and method therefor

F Sukup, J Halamik, C Basso - US Patent 7,733,155, 2010 - Google Patents
US7733155B2 - Low power voltage detection circuit and method therefor - Google Patents
US7733155B2 - Low power voltage detection circuit and method therefor - Google Patents Low …

Threshold voltage extraction for producing a ramp signal with reduced process sensitivity

DC Richardson - US Patent 7,215,185, 2007 - Google Patents
A system for providing a threshold voltage (VT) includes a VT extractor that extracts the VT
for a MOS transistor relative to a first voltage rail. An inversion circuit inverts the extracted VT …