150mA Ultra Low Supply Current
LDO REGULATOR
RP104 SERIES
NO.EA-150-070712
OUTLINE
The RP104 Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low
supply current and low ON-resistance. Each of these ICs consists of a voltage reference unit, an error amplifier,
resistor-net for voltage setting, a current limit circuit and a chip enable circuit.
These ICs perform with ultra low supply current (Typ.1.0µA), which prolong the battery life.
Since the packages for these ICs are PLP1010-4, SOT-23-5 and SC-82AB, therefore high density mounting of
the ICs on boards is possible.
FEATURES
Low Supply Current ..................................................................... Typ. 1.0µA
(Except the current through CE pull down circuit)
Standby Mode..............................................................................Typ. 0.1µA
Low Dropout Voltage ...................................................................Typ. 0.28V(I
OUT
=150mA 2.5V Output type)
Low Temperature-Drift Coefficient of Output Voltage .................. Typ.
±40ppm/°C
Good Line Regulation ..................................................................Typ. 0.02%/V
High Output Voltage Accuracy.....................................................±0.8%
Small Packages ...........................................................................PLP1010-4, SOT-23-5, SC-82AB
Output Voltage .............................................................................1.2V, 1.3V, 1.5V, 1.8V, 1.85V, 1.9V, 2.0V, 2.5V,
2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.2V, 3.3V
Built-in Fold Back Protection Circuit ............................................Typ. 40mA (Current at short mode)
Ceramic capacitors are recommended to be used with this IC ............. C
IN
=C
OUT
=0.1µF or more
APPLICATIONS
●
Power source for portable communication equipment.
●
Power source for electrical appliances such as cameras, VCRs and camcorders.
●
Power source for battery-powered equipment.
1
RP104
SELECTION GUIDE
The output voltage, version, and the taping type for the ICs can be selected at the user’s request.
The selection can be made with designating the part number as shown below;
RP104xxx1x-xx
↑ ↑
a b
Code
a
↑ ↑
c d
←Part
Number
Contents
Designation of Package Type:
K: PLP1010-4
N: SOT-23-5
Q: SC82-AB
Setting Output Voltage (V
OUT
):
1.2V, 1.3V, 1.5V, 1.8V, 1.85V, 1.9V,
2.0V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V,
3.0V, 3.2V, 3.3V
Exception: 1.85V=RP104x181x5, 2.85V=RP104x281x5
Designation of Active Type:
B: active high type*
C: without chip enable circuit
D: active high, with auto discharge*
Designation of Taping Type:
Ex. TR (refer to Taping Specifications; TR type is the standard direction.)
b
c
d
*When the mode is into standby with CE signal, auto-discharge transistor turns on, and it makes the turn-off
speed faster than normal type.
PIN CONFIGURATION
PLP1010-4
V
DD
4
CE/NC
CE/NC
3
V
DD
4
3
TOP
VIEW
1
V
OUT
2
GND
BOTTOM VIEW
2
GND
V
1
OUT
3
Microchip MCU
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