Regulator. RP124L183E Datasheet

RP124L183E Datasheet PDF


Part

RP124L183E

Description

100mA Ultra-low Supply Current LDO Regulator

Manufacture

RICOH

Page 30 Pages
Datasheet
Download RP124L183E Datasheet


RP124L183E Datasheet
RP124x Series
100 mA Ultra-low Supply Current (0.3 µA) LDO Regulator with Battery Monitor
No. EA-503-190312
OVERVIEW
The RP124x is an LDO regulator with a battery monitor (BM) featuring ultra-low supply current.
The battery monitor has a function which divides the input voltage (VIN) into 1/3 or 1/4. The battery
charge remaining can be monitored by MCU. The buffering output enables directly inputting a signal
into the low voltage A/D converter (ADC) with built-in MCU.
KEY BENEFITS
Achieving Low Supply Current of 0.3 µA, Longer Battery Life and Downsizing
Requiring Only Three External Capacitors and Suitable for Space-saving Mounting for the Smaller Packages
KEY SPECIFICATIONS
PACKAGES
LDO Section
Input Voltage Range: 1.7 V to 5.5 V
Supply Current: Typ. 0.2 μA
Output Voltage Accuracy: ±0.8%
Output Current: 100 mA
Ceramic Capacitor Compatible: 1.0 μF or more
BM Section
Output Voltage: VIN/3 (RP124xxx3x)
VIN/4 (RP124xxx4x)
Supply Current: Typ. 0.1 μA
Ceramic Capacitor Compatible: 0.1 μF to 0.22 μF
DFN1212-6
1.2 mm x 1.2 mm x 0.4 mm
TYPICAL APPLICATIONS
VDD
Battery
CIN
CE
CE control
RP124
MCU
LDO
VOUT
VCC
Battery
Monitor
GND
BM
COUT
CBM
ADC
GND
SOT-23-5
2.9 mm x 2.8 mm x 1.1 mm
The diagram is assumed to be used for RP124xxxxE.
APPLICATIONS
Battery powered IoT devices
Energy harvesting devices
Low power wireless communication modules including: Bluetooth® LE, Zigbee, and LPWA
Low power consumption CPUs, memories, and sensors
1

RP124L183E Datasheet
RP124x
No. EA-503-190312
SELECTION GUIDE
The LDO set output voltage, the divided ratio of BM output voltage, the CE pin function and the auto-discharge
function are user-selectable options.
Selection Guide
Product Name
RP124Lxx#-TR
RP124Nxx#-TR-FE
Package
DFN1212-6
SOT-23-5
Quantity per Reel
5,000 pcs
3,000 pcs
Pb Free
Yes
Yes
Halogen Free
Yes
Yes
xx: Specify the LDO set output voltage (VSET).
1.2 V (12) / 1.5 V (15) / 1.8 V (18) / 2.1 V (21) / 2.3 V (23) / 2.4 V (24) / 2.5 V (25) / 2.7 V (27) /
2.8 V (28) / 3.0 V (30) /3.1 V (31) / 3.3 V (33) / 3.6 V (36)
Contact Ricoh sales representatives for other voltages.
#: Specify the divided ratio of BM output voltage.
3: VIN/3
4: VIN/4
: Specify the CE pin and the auto-discharge option.
CE pin
B Controlling LDO with the CE pin (Active-high)
D Controlling LDO with the CE pin (Active-high)
E Controlling BM with the CE pin (Active-high)
Auto-discharge
LDO
No
BM No
LDO
Yes
BM No
LDO
No
BM Yes
2


Features Datasheet pdf RP124x Series 100 mA Ultra-low Supply C urrent (0.3 µA) LDO Regulator with Bat tery Monitor No. EA-503-190312 OVERVIE W The RP124x is an LDO regulator with a battery monitor (BM) featuring ultra-l ow supply current. The battery monitor has a function which divides the input voltage (VIN) into 1/3 or 1/4. The batt ery charge remaining can be monitored b y MCU. The buffering output enables dir ectly inputting a signal into the low v oltage A/D converter (ADC) with built-i n MCU. KEY BENEFITS ● Achieving Low S upply Current of 0.3 µA, Longer Batter y Life and Downsizing ● Requiring Onl y Three External Capacitors and Suitabl e for Space-saving Mounting for the Sma ller Packages KEY SPECIFICATIONS PACK AGES LDO Section ● Input Voltage Ran ge: 1.7 V to 5.5 V ● Supply Current: Typ. 0.2 μA ● Output Voltage Accurac y: ±0.8% ● Output Current: 100 mA Ceramic Capacitor Compatible: 1.0 μF or more BM Section ● Output Voltage: VIN/3 (RP124xxx3x) VIN/4 (RP124xxx4x) ● Supply Current: Typ. 0.1 μA ● Ceramic Capac.
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