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RP400N411C-TR

Description
Switching Regulator, Current-mode, 805kHz Switching Freq-Max, PDSO5, SOT-23, 5 PIN
CategoryPower/power management    The power supply circuit   
File Size248KB,15 Pages
ManufacturerRICOH Electronic Devices Co., Ltd.
Download Datasheet Parametric View All

RP400N411C-TR Overview

Switching Regulator, Current-mode, 805kHz Switching Freq-Max, PDSO5, SOT-23, 5 PIN

RP400N411C-TR Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerRICOH Electronic Devices Co., Ltd.
Parts packaging codeSOT-23
package instructionLSSOP,
Contacts5
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresIT CAN ALSO OPERATE WITH PFM CONTROL TECHNIQUE
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage1.2 V
Nominal input voltage1.5 V
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Number of functions1
Number of terminals5
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Nominal output voltage4.1 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.4 mm
surface mountYES
Switch configurationBOOST
Maximum switching frequency805 kHz
Temperature levelINDUSTRIAL
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.6 mm
RP400Xxx1C SERIES
High Efficiency and Tiny Step-Up DC/DC Converters
NO.EA-193-090130
OUTLINE
RP400Xxx1C, RP400K001C are high efficiency, step-up DC-DC converter ICs packaged in compact 5pin
SOT23 or 6pin DFN (PLP) 1820. This converter starts up from low voltage (Typ.1.2V). Two alkaline or a
single Li+ battery source is also suitable.
This IC consists of a reference voltage unit with soft start, error amplifier, PWM comparator, current limit
circuit and internal switch and PWM/VFM mode control circuit. A low ripple high efficiency step up DC/DC
converter can be composed of RP400xseries with only an inductor, a diode, divider resistors and a
capacitor. This converter is based on a fixed frequency current mode PWM control which goes to power
save mode (VFM mode) at light load automatically. RP400Xxx1C, RP400K001C has built-in Anti-ringing
Switch to prevent switching node from ringing, when the converter enters the discontinuous current mode.
Output voltage of RP400K001C can be set within 1.8~5.0V (recommended range of output voltage) by
external divider resistors.
FEATURES
Low Start-up Voltage guaranteed························ 1.2V
Input Voltage Range············································ 1.2V~5.5V
High Efficiency ···················································· 85% (100mA/3.3V,V
IN
=1.5V,25°C)
Output current ····················································· 200mA/3.3V(V
IN
=1.5V) Typ. 100mA/2.0V(V
IN
=1.2V)
Internal Switch····················································· NMOS=0.4Ω (V
OUT
=3.3V, 25°C)
Built-in Frequency Compensation, Soft Start, Protection Circuit
PWM Low Ripple Oscillator Frequency ·············· 700kHz
Output Voltage Range········································· Fixed: 1.8V to 5.0V with 0.1V Stepwise
Adjustable: 1.8V~5.0V (RP400K001 only)
(recommended range of output voltage)
Stable with Ceramic Capacitors
Small Package ···················································· DFN(PLP)1820-6, SOT23-5
Internal EMI suppression (Anti-ringing switch is included)
APPLICATIONS
MP3 players, PDA
Digital Still Cameras
LCD Bias Supplies
Personal Medical Equipments
Wireless Handset
GPS
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