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PDF RP115L111B Data sheet ( Hoja de datos )
| Número de pieza | RP115L111B | |
| Descripción | Low On Resistance / Low Voltage 1ch 500mA/ 1.0A Alternative LDO | |
| Fabricantes | RICOH electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RP115L111B (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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RP115x SERIES
Low On Resistance/ Low Voltage 1ch 500mA/ 1.0A Alternative LDO
NO. EA-274-141205
OUTLINE
The RP115x Series are CMOS-based positive voltage regulators featuring 500mA/ 1.0A that provide high
ripple rejection, low dropout voltage, high output voltage accuracy, and low supply current. Internally, the RP115x
Series consist of a voltage reference unit, an error amplifier, a resistor-net for output voltage setting, a current
limit circuit, a thermal shutdown circuit, and a reverse current protection circuit.
The RP115x Series uses CMOS process for achieving low supply current, low On Resistance for low dropout
voltage (TYP. 0.195V (DFN1216-8, IOUT=1.0A, VSET=1.2V)) and CE function for long battery life.
Excellent ripple rejection, input transient response, and load transient response make this series ideal for the
power sources of mobile communication equipments.
The RP115x Series are available in the DFN1216-8 package for space saving and the SOT-89-5 (Output
current: 1.0A fixed) package for higher power applications.
The RP115L Series (DFN1216-8 package) can choose the output current limit between 1.0A or 500mA by
alternating the LCON pin between “H” or “L”.
The RP115H Series (SOT-89-5 package) can output only 1.0A since it does not include the LCON pin.
FEATURES
• Supply Current ········································ TYP. 110μA
• Supply Current (Standby Mode) ·················· TYP. 0.5μA
• Dropout Voltage ······································ TYP. 0.195V (DFN1216-8: IOUT=1.0A, VSET=1.2 V)
TYP. 0.235V (SOT-89-5: IOUT=1.0A, VSET=1.2 V)
• Ripple Rejection ······································ TYP. 80dB (f=1kHz, VSET ≤ 1.8V)
TYP. 75dB (f=1kHz, VSET > 1.8V)
• Output Voltage Accuracy ··························· ±1.0% (VSET ≥ 1.75V)
• Output Voltage Temperature Coefficient········ TYP. ±30ppm/ ºC (VSET ≥ 1.75V)
• Line Regulation ······································· TYP. 0.02%/V
• Package ················································ DFN1216-8, SOT-89-5
• Output Voltage Range······························· 0.7V to 4.3V*1 (0.1V increments)
• Built-in Short Current Limit Circuit················ TYP. 60mA (DFN1216-8: LCON = "L")
• Built-in Peak Current Limit
• Built-in Thermal Shutdown Circuit················ Thermal Shutdown Temperature: 165ºC
• Built-in Constant Slope Circuit for Start-up
• Built-in Inrush Current Suppression Circuit ···· TYP. 300mA (DFN1216-8: LCON="L")
• Reverse Current Protection
• Recommended Ceramic Capacitors············· 1.0µF or more
*1 For the voltages in 0.05V increments, please refer to SELECTION GUIDE.
APPLICATIONS
• Power source for portable communication equipments.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipments.
• Local power source for home appliances, printers, scanners, office equipment machines.
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1 page  
RP115x
NO. EA-274-141205
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
VIN Input Voltage
6.0
VCE Input Voltage (CE Pin)
-0.3 to 6.0
VLCON Input Voltage (LCON Pin)
−0.3 to 6.0
VOUT Output Voltage
−0.3 to 6.0
PD Power Dissipation (Standard Land Pattern)*7
DFN1216-8
SOT-89-5
625
900
Ta Operating Temperature Range
-40 to +85
Tstg Storage Temperature Range
-55 to +125
*7 For Power Dissipation and Standard Land Pattern, please refer to PACKAGE INFORMATION.
Unit
V
V
V
V
mW
ºC
ºC
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent
damages and may degrade the lifetime and safety for both device and system using the device in the field. The
functional operation at or over these absolute maximum ratings is not assured.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the recommended
operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And
the semiconductor devices may receive serious damage when they continue to operate over the recommended
operating conditions.
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5 Page 
VIN
VREV_DET
VOUT
RP115x
NO. EA-274-141205
VREV_REL
IOUT
Normal Mode
Reverse Current Protection Mode
Normal
Mode
0
IREV
Figure 3. Detection/ Release Timing of Reverse Current Protection Function
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet RP115L111B.PDF ] | |
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