參數(shù)資料
型號(hào)： RP151K006A
廠商： Ricoh Co., Ltd.
英文描述： 300mA 2ch LDO with VD
中文描述： 300mA的LDO的2聲道與性病
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 747K
代理商： RP151K006A
RP151K S ERIES
300mA 2ch LDO with VD
NO. EA-132-070724
OUTLINE
1
The RP151 Series are CMOS-based dual voltage regulator (LDO) ICs equipped with a voltage detector (VD).
LDO function has features of high output voltage accuracy, low supply current, low dropout, and high ripple
rejection. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for
setting Output Voltage, a current limit circuit, and a chip enable circuit.
These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable
function prolongs the battery life of each system. The line transient response and load transient response of the
RP151 Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication
equipment.
The output of built-in voltage detector is Nch open drain type.
The output voltage of these ICs is internally fixed with high accuracy (1%). Since the packages for these ICs
are PLP2020-8 package, 2ch LDO regulators and VD are included in each packages, high density mounting of
the ICs on boards is possible.
FEATURES
Supply Current.....................................................................Typ. 24
μ
A
×
2 (VR1&VR2)
Standby Current...................................................................Typ. 0.1
μ
A
Dropout Voltage ...................................................................Typ. 0.21V (I
OUT
=
300mA, V
OUT
=
2.8V)
Typ. 0.24V (I
OUT
=
300mA, V
OUT
=
2.5V)
Ripple Rejection...................................................................Typ. 80dB (f
=
1kHz)
Temperature-Drift Coefficient of Output Voltage..................Typ.
±
30ppm/
°
C
Line Regulation....................................................................Typ. 0.02%/V
Output Voltage Accuracy......................................................
±
1.0%
Input Voltage Range ............................................................2.5V to 5.25V
Output Voltage Range..........................................................1.5V to 3.3V
Package .............................................................................PLP2020-8
Built-in Fold Back Protection Circuit ....................................Typ. 50mA
Built-in Auto Discharge function...........................................B Version
Ceramic capacitors are recommended to be used with this IC
...C
IN
=
C
OUT
=
1.0
μ
F or more
Detector Threshord..............................................................Set V
OUT2
×
90%
Output Delay Time for release.............................................Typ. 10ms (C
CD
=
0.01
μ
F)
APPLICATIONS
Power source for portable communication equipment.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
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