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RP105Q132F-TR-FE Datasheet(PDF) 1 Page - RICOH electronics devices division

Part # RP105Q132F-TR-FE
Description  Supply Current Typ. 28 uA
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

RP105Q132F-TR-FE Datasheet(HTML) 1 Page - RICOH electronics devices division

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RP105x Series
Low Voltage 400 mA LDO Regulator
NO.EA-179-160420
1
*
RP105Q (SC-88A) is the discontinued product as of June, 2016.
OUTLINE
The RP105x is a 400 mA output type CMOS-based voltage regulator with capability of low input voltage
(Min. 0.9 V) and low output voltage (Min. 0.6 V). This device is remarkably improved the performance at low
input voltage compared with conventional low voltage LDOs, and two power supply voltage type. (Another
power source, VBIAS pin voltage must be Min. 2.4 V). The device consists of a voltage reference unit, an error
amplifier, resistor-net for voltage setting, a current limit circuit to avoid the destruction, a UVLO circuit with
monitoring input voltage, and so on.
The RP105x has the ultra-low on resistance output driver, the on resistance is Typ. 0.4 Ω (VOUT = 0.8 V, IOUT
= 300 mA). The built-in driver is Nch MOSFET, thus the load transient response is excellent, (under the
condition of the current between 1 mA and 400 mA, tr = 0.5 µs, the undershoot level is approximately 50 mV).
The output voltage of this device is fixed with high accuracy. Since the packages for the device are
DFN(PLP)1212-6, DFN1212-5, SOT-23-5 and SC-88A therefore high density mounting of the IC on boards is
possible.
FEATURES
Supply Current .........................................................Typ. 28 µA
Standby Current.......................................................Typ. 0.1 µA
Ripple Rejection.......................................................Typ. 80 dB (f = 1 kHz, VIN Ripple)
··········································································· .Typ. 50 dB (f = 1 kHz, VBIAS Ripple)
Output Voltage Range..............................................0.6 V to 1.5 V (0.1 V step)
Contact Ricoh sales representatives for other voltages.
Input Voltage Range (VBIAS) .....................................2.4 V to 5.25 V (VOUT < 0.8 V)
······································································Set VOUT + 1.6 V to 5.25 V (VOUT ≥ 0.8 V)
Input Voltage Range (VIN) ........................................RP105xxxxB/D: 0.9 V to VBIAS (VOUT < 0.8 V)
Set VOUT + 0.1 V to VBIAS (VOUT ≥ 0.8 V)
RP105xxxxE/F: 0.9 V to VBIAS
Output Voltage Accuracy..........................................Typ. ±15 mV (Ta = 25°C)
Temperature-Drift Coefficient of Output Voltage ......Typ. ±50 ppm/°C
Dropout Voltage .......................................................DFN1212-5: Typ. 105 mV
(IOUT = 400 mA, VOUT = 1.5 V, VBIAS = 3.6 V)
Line Regulation ........................................................Typ. 0.02%/V
Packages .................................................................DFN(PLP)1212-6, SC-88A, SOT-23-5, DFN1212-5
Built-in Fold Back Protection Circuit ........................Typ. 120 mA (Current at short mode)
Ceramic capacitors are recommended....................CBIAS = CIN = 1.0 µF or more, COUT = 2.2 µF or more
APPLICATIONS
Power source for battery-powered equipment.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for portable communication equipment.


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