LD1117 STMicroelectronics, LD1117 Datasheet
LD1117
Manufacturer Part Number
LD1117
Description
Manufacturer
STMicroelectronics
Specifications of LD1117
Case
sot-223
Date_code
01+
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
LD1117
Manufacturer:
ST
Quantity:
20 000
Part Number:
LD1117-1.8
Manufacturer:
UTC/友顺
Quantity:
20 000
Part Number:
LD1117-1.8V
Manufacturer:
UTC/友顺
Quantity:
20 000
Part Number:
LD1117-2.5V-A
Manufacturer:
UTC/友顺
Quantity:
20 000
DESCRIPTION
The LD1117 is a LOW DROP Voltage Regulator
able to provide up to 800mA of Output Current,
available even in adjustable version (Vref=1.25V).
Concerning fixed versions, are offered the
following Output Voltages: 1.2V,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, DPAK, SO-8, TO-220 and
TO-220FM. The SOT-223 and DPAK surface
mount
characteristics even offering a relevant space
saving effect. High efficiency is assured by NPN
Figure 1: Block Diagram
October 2004
LOW DROPOUT VOLTAGE (1V TYP.)
2.85V DEVICE PERFORMANCES ARE
SUITABLE FOR SCSI-2 ACTIVE
TERMINATION
OUTPUT CURRENT UP TO 800 mA
FIXED OUTPUT VOLTAGE OF: 1.2V, 1.8V,
2.5V, 2.85V, 3.0V, 3.3V, 5.0V
ADJUSTABLE VERSION AVAILABILITY
(V
INTERNAL CURRENT AND THERMAL LIMIT
AVAILABLE IN ± 1% (AT 25°C) AND 2% IN
FULL TEMPERATURE RANGE
SUPPLY VOLTAGE REJECTION: 75dB (TYP.)
rel
=1.25V)
packages
optimize
the
LOW DROP FIXED AND ADJUSTABLE
thermal
POSITIVE VOLTAGE REGULATORS
pass transistor. In fact in this case, unlike than
PNP one, the Quiescent Current flows mostly into
the load. Only a very common 10µF minimum
capacitor is needed for stability. On chip trimming
allows the regulator to reach a very tight output
voltage tolerance, within ± 1% at 25°C. The
ADJUSTABLE LD1117 is pin to pin compatible
with the other standard. Adjustable voltage
regulators maintaining the better performances in
terms of Drop and Tolerance.
DPAK
TO-220FM
SOT-223
Rev. 16
SERIES
TO-220
LD1117
SO-8
1/28
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