RP400K401C-TR-F datasheet, PDF

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RP400K401C-TR-F: DescriptionSwitching Regulator, Current-mode, 805kHz Switching Freq-Max, 1.80 X 2 MM, LEAD FREE, DFN-6; CategoryPower/power management The power supply circuit; File Size248KB，15 Pages; ManufacturerRICOH Electronic Devices Co., Ltd.; Environmental Compliance

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RP400K401C-TR-F Overview

Switching Regulator, Current-mode, 805kHz Switching Freq-Max, 1.80 X 2 MM, LEAD FREE, DFN-6

RP400K401C-TR-F Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	RICOH Electronic Devices Co., Ltd.
Parts packaging code	DFN
package instruction	HVSON,
Contacts	6
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	IT CAN ALSO OPERATE WITH PFM CONTROL TECHNIQUE
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	5.5 V
Minimum input voltage	1.2 V
Nominal input voltage	1.5 V
JESD-30 code	R-XDSO-N6
JESD-609 code	e4
length	2 mm
Number of functions	1
Number of terminals	6
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Nominal output voltage	4 V
Package body material	UNSPECIFIED
encapsulated code	HVSON
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	0.6 mm
surface mount	YES
Switch configuration	BOOST
Maximum switching frequency	805 kHz
Temperature level	INDUSTRIAL
Terminal surface	GOLD
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.8 mm
Base Number Matches	1

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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

=1.5V，25°C)

●

Output current ····················································· 200mA/3.3V(V

=1.5V) Typ. 100mA/2.0V(V

=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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