ETR0325-006
■GENERAL DESCRIPTION
The XB1086 is a series of low dropout positive voltage regulators with a high output current capability of 1.5A.
Stable output can be maintained by using 10μF (CIN) and 22μF (CL) of tantalum capacitors.
The XB1086P series is available in the fixed voltage types of 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V. The XB1086K is also
available as a voltage adjustable type which can set the output voltage with only two external resistors. With an over current
and thermal protection circuit built-in, the IC is disabled for protection when an output current reaches limit current or junction
temperature increases up to limit temperature.
The XB1086 series is available in TO-252 package.
■FEATURES
Maximum Output Current
■APPLICATIONS
● High efficiency linear regulators
● Battery chargers
: More than 1.5A (within Pd)
Maximum Operating Voltage : 15V
Output Voltage
: 1.5V, 1.8V, 2.5V,
● DVD drives
3.3V, 5.0V (XB1086P),
Externally Set
● Set top boxes
(XB1086K / Reference
Voltage 1.25V (TYP.))
: ±1% ( Tj =25℃)
● Various battery drive equipment
Output Voltage Accuracy
Dropout Voltage
: 1.3V @ IOUT=1.5A (TYP.)
: 0.015% (TYP.) <ADJ>
: 0.1% (TYP.) <ADJ>
Line Regulation
Load Regulation
Reference Voltage Pin Current: Less than 120μA <ADJ>
Overcurrent Protection Circuit Built-In
Thermal Protection Circuit Built-In
Package
: TO-252
Environmentally Friendly
: EU RoHS Compliant
■TYPICAL APPLICATION CIRCUITS ■TYPICAL PERFORMANCE
CHARACTERISTICS
XB1086P Series
●Output Voltage vs. Output Current
VIN
VOUT
IOUT
XB1086P331
VIN
CL=22μF
CL=22uF
(Tantalum)
VSS
CIN=10μF
(Tantalum)
CIN=10uF
VIN=4.9V
VIN=4.9V
CIN=10μF (Tantalum), CL=22μF (Tantalum)
CIN=10uF(Tantal)、CL=22uF(Tantal)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
XB1086K Series
VIN VOUT
IOUT
Ta=85℃
Ta=25℃
Ta=0℃
CL=22μF
CL=22uF
VIN
ADJ
R1
R2
(Tantalum)
CIN=10uF
CIN=10μF
(Tantalum)
0
300
600
900
Output Current: IOUT (mA)
1200
1500
VOUT=VREF×(1+R2/R1) + IADJ×R2
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