R1131x Series
Low Voltage 300mA LDO
The R1131x Series are CMOS-based LDO regulators featuring 300mA output. The input voltage (V
IN
) is as low as Min. 1.4V and the
output voltage can be set from 0.8V. The CE pin can switch the regulator into standby mode. Ceramic capacitors can be used.
(V
OUT
>
1.0V)
=
FEATURES
•
Supply Current (I
SS
) ························ Typ. 80μA (V
IN
=SET V
OUT
+1V, V
OUT
<
1.8V)
•
Standby Current (I
standby
) ················· Typ. 0.1μA (Same as above, in standby)
•
Dropout Voltage (V
DIF
) ···················· Typ. 0.23V (I
OUT
=300mA, V
OUT
=2.8V)
•
Ripple Rejection (RR)····················· Typ. 65dB (f=1kHz)
•
Input Voltage Range (V
IN
) ··············· 1.4V to 6.0V
•
Output Voltage Range (V
OUT
)·········· 0.8V to 3.3V (internally fixed)
Typ. 60μA (Same as above,
V
OUT
>
1.8V)
=
•
Output Voltage Accuracy ················± 2%
•
Temp. coeff. of Output Voltage ·······Typ.
±
100ppm/°C
•
Line Regulation·······························Typ. 0.01%/V
•
Fold-back Protection Circuit············Current limit Typ. 50mA
•
Auto-Discharge function ·················D Version
•
Packages ········································SON-6, SOT-23-5, HSON-6
•
Ceramic capacitors can be used. ···1μF or more (V
OUT
>
1.0V)
=
BLOCK DIAGRAMS
R1131xxxxA
(
CE
pin "L" active)
V
DD
-
+
Vref
Current Limit
CE
GND
CE
Vref
Current Limit
GND
CE
R1131xxxxB
(CE pin "H" active)
V
OUT
V
DD
-
+
V
OUT
V
DD
R1131xxxxD
(With Auto-Discharge function)
V
OUT
-
+
Vref
Current Limit
GND
SELECTION GUIDES
Package
SON-6
SOT-23-5
HSON-6
Quantity per Reel
Part No.
3,000 pcs
R1131D.xx.1.
∗
-TR-F
3,000 pcs
R1131N.xx.1.
∗
-TR-F
3,000 pcs
R1131D.xx.2.
∗
-TR-F
.xx.
: Specify the output voltage within the range 0.8V (.08.) to 3.3V (.33.)
in 0.1V steps.
.
∗
.
: Select the polarity of the CE pin from (.A.) "L" active, (.B.) "H" active or
(.D.) "H" active with auto-discharge function.
PACKAGES (Top View)
SON-6
6
5
4
TYPICAL CHARACTERISTIC
HSON-6
6
5
4
SOT-23-5
5
4
R1131x33xx
0.40
Dropout Voltage V
DIF
(V)
Dropout Voltage vs. Output Current
85°C
25°C
-40°C
∗
∗
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0
50
1
2
3
1
2
3
1
2
3
1
2
3
4
5
6
V
DD
NC
V
OUT
NC
GND
CE
or CE
1
2
3
4
5
V
DD
GND
CE
or CE
NC
V
OUT
1
2
3
4
5
6
V
DD
NC
V
OUT
NC
GND
CE
or CE
100
150 200 250
Output Current I
OUT
(mA)
300
∗
) The tab and tab suspension leads on back side are substrate level (GND).
APPLICATIONS
•
Power source for hand-held communication equipment, cameras, and VCRs
•
Power source for home appliances
•
Power source for battery-powered equipment
No.EK-116-100119
CMOS LDO Regulator
京公网安备 11010802033920号
EEWORLD
