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UTCLD1117 Datasheet

  • UTCLD1117

  • LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS

  • 12頁

  • UTC-IC

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UTC LD1117/A LINEAR INTEGRATED CIRCUIT
LOW DROP FIXED AND
ADJUSTABLE POSITIVE VOLTAGE
REGULATORS
DESCRIPTION
The UTC LD1117/A is a LOW DROP Voltage Regulator
able to provide up to 0.8/1.0A of Output Current, available
even in adjustable version (Vref=1.25V). Concerning fixed
versions, are offered the following Output Voltages: 1.8V,
2.5V, 2.85V, 3.0V, 3.3V and 5.0V. The 2.85V type is ideal for
SCSI-2 lines active termination. The device is supplied in:
SOT-223, TO-252, TO-263, TO-263-3, SOP-8 and TO-220.
The SOT-223, TO-263, TO-263-3 and TO-252 surface mount
packages optimize the thermal characteristics even offering a
relevant space saving effect. High efficiency is assured by
NPN pass transistor. In fact in the case, unlike than PNP one,
the Quiescent Current flows mostly into the load. Only a very
common 10碌F minimum capacitor is needed for stability. On
chip trimming allows the regulator to reach a very tight output
voltage tolerance, within
鹵1%
at 25擄C. The ADJUSTABLE
LD1117/A is pin to pin compatible with the other standard
Adjustable voltage regulators maintaining the better
performances in terms of Drop and Tolerance.
3
2 1
SOT-223
SOP-8
1
1
TO-220
TO-252
1
1
TO-263
SOP-8
1: GND;
4: Vin;
TO-263-3
2,3,6,7: Vout;
5,8: NC
FEATURES
*Low dropout voltage (1V Typ.)
*2.85V device performances are suitable for SCSI-2 active
termination
*Output current up to 0.8/1.0A
*Fixed output voltage of: 1.8V,2.5V, 2,85V, 3.0V, 3.3V, 5.0V
*Adjustable version availability (Vref=1.25V)
*Internal current and thermal limit
*Available in
鹵1%(at
25擄C) and 2% in all temperature range
*Supply voltage rejection: 75dB (TYP)
*Temperature range: 0擄C to 125擄C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R102-006,H

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