RP106x Series
400mA 1V Input LDO
The RP106x Series are CMOS-based LDO regulators featuring 400mA output. The input voltage as low as Min. 1.0V and the output
voltage can be set from 0.7V. The output voltage accuracy has been improved to
±
0.8% and due to a built-in transistor with low
on-resistance of 0.55Ω (at V
OUT
=1.5V), RP106x provides a low dropout voltage. The CE pin can switch the regulator to standby mode.
In addition to SOT-23-5 and SC-88A packages, a 0.69mm square WLCSP-4-P5 package and a 1.2mm square DFN(PLP)1212-6 package
are also available.
FEATURES
•
Supply Current (I
SS
) ························Typ. 48μA (V
IN
=SET V
OUT
+1V)
•
Standby Current (I
standby
) ·················Typ. 0.1μA (Same as above, CE="L")
•
Dropout Voltage (V
DIF
) ····················Typ. 0.22V (I
OUT
=400mA, V
OUT
=1.5V)
•
Ripple Rejection (RR)·····················Typ. 60dB (f=10kHz)
•
Input Voltage Range (V
IN
) ···············1.0V to 3.6V
•
Output Voltage Range (V
OUT
)··········0.7V to 1.8V (internally fixed)
•
Output Voltage Accuracy ················± 0.8%
•
Temp. coeff. of Output Voltage ······· Typ.
±
60ppm/°C
•
Line Regulation ······························ Typ. 0.10%/V
•
Fold-back Protection Circuit ··········· Current limit Typ. 110mA
•
Auto-Discharge function················· D Version
•
Packages ······································· WLCSP-4-P5, DFN(PLP)1212-6,
SC-88A, SOT-23-5
•
Ceramic capacitors can be used ···· 1μF or more
(The above shows specification at Topt=25
°
C. Design assurance value at -40
°
C
<
Topt
<
85
°
C is also available. For details, please refer to the datasheet.)
=
=
BLOCK DIAGRAMS
RP106xxxxB
(Without Auto-Discharge function)
V
DD
V
OUT
V
DD
RP106xxxxD
(With Auto-Discharge function)
V
OUT
Vref
Current Limit
Vref
Current Limit
CE
GND
CE
GND
SELECTION GUIDES
Package
WLCSP-4-P5
DFN(PLP)1212-6
SC-88A
SOT-23-5
Quantity per Reel
5,000 pcs
5,000 pcs
3,000 pcs
3,000 pcs
Part No.
RP106Z.xx.1.
∗
-TR-F
RP106K.xx.1.
∗
-TR
RP106Q.xx.2.
∗
-TR-F
RP106N.xx.1.
∗
-TR-F
.xx.
: Specify the output voltage within the range 0.7V (.07.) to 1.8V (.18.)
in 0.1V steps.
.∗
: Select from (.B.) without auto-discharge function or
(.D.) with auto-discharge function.
PACKAGES (Top View)
WLCSP-4-P5 DFN(PLP)1212-6
4
3
6
5
4
TYPICAL CHARACTERISTIC
SOT-23-5
5
4
SC-88A
5
4
RP106x12xx Dropout Voltage vs. Output Current
350
Dropout Voltage V
DIF
(mV)
300
250
200
150
100
50
0
0
T
opt
=85
°
C
T
opt
=25
°
C
T
opt
=-40
°
C
1
2
1
2
3
1
1
2
3
2
3
1
2
3
4
V
DD
CE
GND
V
OUT
1
2
3
4
5
6
NC
GND
CE
V
DD
NC
V
OUT
1
2
3
4
5
CE
NC
GND
V
OUT
V
DD
1
2
3
4
5
V
DD
GND
CE
NC
V
OUT
50 100 150 200 250 300 350 400
Output Current I
OUT
(mA)
APPLICATIONS
•
Power source for hand-held communication equipment, camera and VCRs
•
Power source for home appliances and digital home appliances
•
Power source for battery-powered equipment
No.EK-180-091101
400mA CMOS LDO Regulator
1. The products and the product specifications described in this document are subject to change or
discontinuation of production without notice for reasons such as improvement. Therefore, before
deciding to use the products, please refer to Ricoh sales representatives for the latest
information thereon.
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example application circuits for the products. The release of such information is not to be
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customers intending to use a product in an application requiring extreme quality and reliability,
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concerning the products or the technical information.
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