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UCC284DP-ADJ |UCC284DPADJUCN/a255avai12
UCC284TIN/a2750avai12
UCC284DP-5 |UCC284DP5UCCN/a3avai12
UCC284DP-12 |UCC284DP12TIN/a131avai12
UCC284DP-12G4 |UCC284DP12G4TI/BBN/a5avaiLow-Dropout, 0.5-A, Negative Linear Regulator 8-SOIC -40 to 85
UCC284DP-5 |UCC284DP5TIN/a20avai12
UCC284DP-ADJ |UCC284DPADJTIN/a952avai12
UCC284DP-ADJG4 |UCC284DPADJG4TI/BBN/a87avaiLow-Dropout, 0.5-A, Negative Linear Regulator 8-SOIC -40 to 85
UCC284DPTR-5 |UCC284DPTR5TIN/a1546avai12
UCC284DPTR-ADJ |UCC284DPTRADJTIN/a2487avai12
UCC284DPTR-ADJG4 |UCC284DPTRADJG4TI/BBN/a237avaiLow-Dropout, 0.5-A, Negative Linear Regulator 8-SOIC -40 to 85


UCC284 ,12UCC284–5, UCC284–12, UCC284–ADJ, UCC384–5, UCC384–12, UCC384–ADJLOW-DROPOUT 0.5-A NEGATIVE LINEAR R ..
UCC284-ADJ ,Low Dropout (LDO) 0.5A Negative Linear RegulatorUCC284–5, UCC284–12, UCC284–ADJ, UCC384–5, UCC384–12, UCC384–ADJLOW-DROPOUT 0.5-A NEGATIVE LINEAR R ..
UCC284DP-12 ,12maximum ratings over operating free-air temperature (unless otherwise noted)‡Input voltage range , ..
UCC284DP-12G4 ,Low-Dropout, 0.5-A, Negative Linear Regulator 8-SOIC -40 to 85UCC284–5, UCC284–12, UCC284–ADJ, UCC384–5, UCC384–12, UCC384–ADJLOW-DROPOUT 0.5-A NEGATIVE LINEAR R ..
UCC284DP-5 ,12electrical characteristics T = 0°C to 70°C for the UCC384 and –40°C to 85°C for the UCC284,AVIN = V ..
UCC284DP-5 ,12maximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
UPA1715 ,SWITCHING P-CHANNEL POWER MOS FET INDUSTRIAL USEFEATURES• Low on-resistance85RDS(on)1 = 8.5 mΩ TYP. (VGS = –10 V, ID = –6.0 A)RDS(on)2 = 11.0 mΩ TY ..
UPA1715G ,SWITCHING P-CHANNEL POWER MOS FET INDUSTRIAL USEELECTRICAL CHARACTERISTICS (TA = 25 °C, All terminals are connected.)CHARACTERISTICS SYMBOL TEST CO ..
UPA1715G-E1 ,Pch enhancement type power MOS FETFEATURES• Low on-resistance85RDS(on)1 = 8.5 mΩ TYP. (VGS = –10 V, ID = –6.0 A)RDS(on)2 = 11.0 mΩ TY ..
UPA1715G-E1 ,Pch enhancement type power MOS FETELECTRICAL CHARACTERISTICS (TA = 25 °C, All terminals are connected.)CHARACTERISTICS SYMBOL TEST CO ..
UPA1715G-E2 ,Pch enhancement type power MOS FETDATA SHEETMOS FIELD EFFECT TRANSISTORPA1715μ μ μ μ SWITCHINGP-CHANNEL POWER MOS FETINDUSTRIAL USED ..
UPA1716 ,SWITCHING P-CHANNEL POWER MOS FET INDUSTRIAL USEFEATURES• Low on-resistance85RDS(on)1 = 12.5 mΩ TYP. (VGS = –10 V, ID = –4 A)RDS(on)2 = 17.0 mΩ TYP ..


UCC284-UCC284DP-12-UCC284DP-12G4-UCC284DP-5-UCC284DP-ADJ-UCC284DP-ADJG4-UCC284DPTR-5-UCC284DPTR-ADJ-UCC284DPTR-ADJG4
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Low Quiescent Current Irrespective of Load Simple Logic Shutdown Interfacing –5 V, –12 V, and Adjustable Output 2.5% Duty Cycle Short Circuit Protection
description

The UCC384-x family of negative linear-series pass regulators is tailored for low-dropout applications where
low-quiescent power is important. Fabricated with a BCDMOS technology ideally suited for low input-to-output
differential applications, the UCC384-x passes 0.5 A while requiring only 0.2 V of input-voltage headroom.
Dropout voltage decreases linearly with output current, so that dropout at 50 mA is less than 20 mV.
Quiescent current consumption for the device under normal (non-dropout) conditions is typically 200 μA. An
integrated charge pump is internally enabled only when the device is operating near dropout with low VIN. This
ensured that the device meets the dropout specifications even for maximum load current and a VIN of –3.2 V
with only a modest increase in quiescent current. Quiescent current is always less than 350 μA, with the charge
pump enabled. The quiescent current of the UCC384 does not increase with load current.
Short-circuit current is internally limited. The device responds to a sustained overcurrent condition by turning
off after a tON delay. The device then stays off for a period, t OFF , that is 40 times the tON delay. The device then
begins pulsing on and off at the tON/t OFF duty cycle of 2.5%. This drastically reduces the power dissipation during
short circuit such that heat sinking, if at all required, must only accommodate normal operation. An external
capacitor sets the on time. The off time is always 40 times tON.
The UCCx84-x can be shutdown to 45 μA (maximum) by pulling the SD/CT pin more positive than –0.7 V. To
allow for simpler interfacing, the SD/CT pin may be pulled up to 6 V above the ground pin without turning on
clamping diodes.
Internal power dissipation is further controlled with thermal-overload protection circuitry. Thermal shutdown
occurs if the junction temperature exceeds 140°C. The chip remains off until the temperature has dropped 20°C
(TJ = 120°C).
AVAILABLE OPTIONS
All package types are available taped and reeled. Add TR suffix to device type
(e.g. UCC284DP–5TR) to order quantities of 3000 devices per reel.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
VIN
VOUT
VIN
GND
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