RP200x Series
Automatic Mode Shift 300mA LDO
The RP200x Series are CMOS-based automatic mode shift LDO regulators featuring 300mA output.
In auto switching mode, the operation can switch automatically to fast response mode or low power mode of the ECO function
according to output current. (Automatic switching to fast response mode under IOUT>8mA conditions or to low power mode under
IOUT<1mA conditions.)
In lower power mode, supply current is as low as 1μA. In fast response mode, ripple rejection is 70dB and noise is low. By inputting
control signal into the AE pin, the mode of the regulator can be fixed with fast response 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 are also
available.
FEATURES
• Supply Current (ISS2)·······················Typ. 55μA (Fast mode, VIN=SET VOUT+1V)
• Temp. coeff. of Output Voltage······· Typ. ± 50ppm/°C
• Supply Current (ISS1)·······················Typ. 1.5μA (Low power mode, same as above) • Line Regulation ······························ Typ. 0.02%/V (Fast mode)
• Standby Current (Istandby) ·················Typ. 0.1μA (Same as above, CE="L")
• Dropout Voltage (VDIF) ····················Typ. 0.23V (IOUT=300mA, VOUT=2.8V)
• Ripple Rejection (RR)·····················Typ. 70dB (Fast mode, f=1kHz)
• Input Voltage Range (VIN)···············1.4V to 5.25V
• Fold-back Protection Circuit··········· Current limit Typ. 50mA
• Auto-Discharge function················· D Version
• Packages ·······································WLCSP-4-P5, DFN(PLP)1212-6,
SC-88A, SOT-23-5
• Output Voltage Range (VOUT)··········0.8V to 4.0V (internally fixed)
• Output Voltage Accuracy ················± 1%
• Ceramic capacitor can be used.····· 1μF or more
<
<
85 C is also available.)
°
°
°
(The above shows specification at Topt=25 C. Design assurance value at -40 C
Topt
=
BLOCK DIAGRAMS
RP200xxxxB
(Without Auto-Discharge function)
RP200xxxxD
(With Auto-Discharge function)
AE
AE
VDD
VDD
VOUT
VOUT
Vref
Vref
Current Limit
Current Limit
CE
CE
GND
GND
WLCSP-4-P5 type does not have
WLCSP-4-P5 type does not have
.
.
SELECTION GUIDES
.
xx
.
: Specify the output voltage within the range 0.8V (
in 0.1V steps
.
08
.
) to 4.0V (
.
40
.
)
Package
WLCSP-4-P5
DFN(PLP)1212-6
SC-88A
Quantity per Reel
Part No.
5,000 pcs
5,000 pcs
3,000 pcs
3,000 pcs
RP200Z
.
xx.
1.
∗-TR-F
: Select from (
.
B
.
) without auto-discharge function or
.
∗
RP200K
.
xx
.
1
.
∗-TR
(.
D
.
) with auto-discharge function
RP200Q
.
xx.
2.
∗-TR-F
SOT-23-5
RP200N
.
xx
.
1
.
∗-TR-F
PACKAGES (Top View)
TYPICAL CHARACTERISTIC
RP200x26xx Dropout Voltage vs. Output Current
WLCSP-4-P5 DFN
(
PLP
)
1212-6
SC-88A
SOT-23-5
5
4
6
5
4
4
3
5
4
350
85
25
°
°
-40
C
C
300
250
200
150
100
50
°
C
1
2
3
1
2
1
2
3
1
2
3
1
2
3
4
VDD
CE
GND
VOUT
1
2
3
4
5
6
AE
GND
CE
VDD
NC
VOUT
1
2
3
4
5
AE
1
2
3
4
5
VDD
GND
CE
AE
VOUT
GND
VOUT
VDD
CE
0
0
100
200
300
Output Current IOUT(mA)
∗) WLCSP-4-P5 does not have AE pin.
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-182-100119
300mA CMOS LDO Regulator
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