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L1806

UTC
Part Number L1806
Manufacturer UTC
Description ULTRA LOW DROPOUT LINEAR REGULATOR
Published Feb 4, 2017
Detailed Description UNISONIC TECHNOLOGIES CO., LTD L1806 3A, ULTRA LOW DROPOUT (0.23V@3A) LINEAR REGULATOR CMOS IC  DESCRIPTION The UTC L...
Datasheet PDF File L1806 PDF File

L1806
L1806

Overview
UNISONIC TECHNOLOGIES CO.
, LTD L1806 3A, ULTRA LOW DROPOUT (0.
23V@3A) LINEAR REGULATOR CMOS IC  DESCRIPTION The UTC L1806 is a typical LDO with the features of very low dropout voltage as low as 0.
23V at output current 3A.
For normal operation, two supply voltages are necessary.
One called control voltage from other equipment can shutdown the output voltage and it should pull and hold the voltage of EN pin less than 0.
5V.
Another one is the main supply voltage whose purpose is for main power conversion, to keep the power dissipation low, and to make the dropout voltage lower.
Internally, in the UTC L1806, there’re many functions which can be seen in the block figure to prevent the IC from being damaged.
Internal Power-On-Reset (POR) circuit can control the two supply voltages to prevent fault operations of the circuit; the thermal shutdown circuit is able to protect the device from over thermal operation, and a current limit function will keep the device work safely under current over-loads.
The UTC L1806 can be used as an ideal to provide well supply voltage in the applications, such as front-side-bus termination on motherboard, NB applications, front side bus VTT (1.
2V/3A) and note book PC applications.
 FEATURES * Low Dropout VD=0.
23V(typ.
)@ IOUT=3A * Low ESR Output Capacitor * VREF=0.
8V * Fast Transient Response * Output Voltage Adjustable through External Resistors * POR(Power-On-Reset) controlling VCNTL and VIN * With internal Soft-Start * Internal Current Limit Protection * Internal Under Voltage Protection * Hysteretic Thermal Shutdown * With Power-OK Output (with a Delay Time) * Low Shutdown Quiescent Current (<30 uA) * Shutdown/Enable Control Function  ORDERING INFORMATION Ordering Number Lead Free Halogen Free L1806L-SH2-R L1806G-SH2-R L1806L-K10-3030-R L1806G-K10-3030-R Package HSOP-8 DFN3030-10 Packing Tape Reel Tape Reel L1806G-SH2-R (1)Packing Type (2)Package Type (3)Green Package (1) R: Tape Reel (2) SH2: HSOP-8, K10-3030: DFN3030...


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