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  • LDO Thermal Considerations
    with very low input/output voltage differentials, hence the name "low dropout regulators" or LDOs. LDOs specify maximum output current and input voltage limits, but blindly operating the LDO within these limits will surely result in exceeding the maximum power dissipation capability.
  • CMOS LDO Regulators for Portable Devices (.pdf)
    ROHM CMOS LDO (low drop-out) regulators are tailored for use in portable devices such as PDAs, mobile phones, digital cameras and camcorders. Lower in cost and small in packaging, ROHM CMOS LDOs offer designers a superior alternative to PWM regulators in many point-of-load regulation applications
  • Understanding Startup Surge Current With MSK's RH1573 Based Rad Hard LDO Regulators
    and demands maximum current from the PNP pass transistor. To do this the RH1573. must sink the maximum available current through the base of the pass transistor to. ground. The maximum base current is the maximum or saturated drive pin current of the. RH1573 minus the current passing through the
  • DC Performance Comparisons of CMOS vs Bipolar LDOs When Operating in "Dropout" (Vin = Nominal Vout) Mode (list devices)
    battery for their power source. Digital cameras contain high-speed memory ICs, which require tight voltage regulation at moderate loads to meet the required timing parameters of the system. Precision low dropout (LDO) regulator devices can be used to meet these requirements but in doing so, the LDO
  • Power Design for Xilinx (R) Virtex-5 FPGAs (.pdf)
    This power reference design supports all power requirements for Xilinx's Virtex-5 FPGA solutions. System design with a 5-V input voltage and uses TI power modules, DC/DC and LDO. For 3.3-V and 5-V designs, visit TI Power for Xilinx Virtex-5.
  • MCP1701 vs MCP1701A vs MCP1702 Technical Brief
    TB3006 MCP1701 vs MCP1701A vs MCP1702 OPERATION Author: Matthew Williams Microchip Technology Inc. Thermal Protection The MCP1702 thermal protection circuitry will shut- INTRODUCTION down the LDO if the internal junction temperature of the LDO rises above the typical threshold temperature of Since
  • A Simple Model for DC/DC Charge Pumps
    Charge pump regulators provide an excellent DCI'DC converter solution for low-power portable applications,. typically below 300mA output curreni Charge pumps provide enhanced etficiency when compared to LDO reg. ulators and do not need a large, expensive magnetic component required wrth inductive
  • The lowdown on lowdropout regulators
    the overhead. Input voltage must stay above the minimum value that maintains the overhead. Otherwise the output voltage drops out of regulation. Low-dropout (LDO) regulators keep working when input voltages only allow very small overheads. Products using embedded electronics most likely have an LDO regulator

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