R1131N181A5-TR-F datasheet, PDF

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R1131N181A5-TR-F: DescriptionFixed Positive LDO Regulator, 1.85V, 0.45V Dropout, CMOS, PDSO5, LEAD FREE, SOT-23, 5 PIN; CategoryPower/power management The power supply circuit; File Size80KB，1 Pages; ManufacturerRICOH Electronic Devices Co., Ltd.; Environmental Compliance

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R1131N181A5-TR-F Overview

Fixed Positive LDO Regulator, 1.85V, 0.45V Dropout, CMOS, PDSO5, LEAD FREE, SOT-23, 5 PIN

R1131N181A5-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.
Objectid	1739971202
Parts packaging code	SOT-23
package instruction	LEAD FREE, SOT-23, 5 PIN
Contacts	5
Reach Compliance Code	unknown
ECCN code	EAR99
compound_id	6816067
Maximum drop-back voltage 1	0.45 V
Maximum input voltage	6 V
Minimum input voltage	1.4 V
JESD-30 code	R-PDSO-G5
JESD-609 code	e6/e2
length	2.9 mm
Number of functions	1
Number of terminals	5
Maximum output current 1	0.3 A
Maximum output voltage 1	1.887 V
Minimum output voltage 1	1.813 V
Nominal output voltage 1	1.85 V
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.3 mm
surface mount	YES
technology	CMOS
Terminal surface	TIN BISMUTH/TIN SILVER
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 mm

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R1131x Series

Low Voltage 300mA LDO

The R1131x Series are CMOS-based LDO regulators featuring 300mA output. The input voltage (V

IN

) is as low as Min. 1.4V and the

output voltage can be set from 0.8V. The CE pin can switch the regulator into standby mode. Ceramic capacitors can be used.

(V

OUT

>

1.0V)

=

FEATURES

•

Supply Current (I

SS

) ························ Typ. 80μA (V

IN

=SET V

OUT

+1V, V

OUT

<

1.8V)

•

Standby Current (I

standby

) ················· Typ. 0.1μA (Same as above, in standby)

•

Dropout Voltage (V

DIF

) ···················· Typ. 0.23V (I

OUT

=300mA, V

OUT

=2.8V)

•

Ripple Rejection (RR)····················· Typ. 65dB (f=1kHz)

•

Input Voltage Range (V

IN

) ··············· 1.4V to 6.0V

•

Output Voltage Range (V

OUT

)·········· 0.8V to 3.3V (internally fixed)

Typ. 60μA (Same as above,

V

OUT

>

1.8V)

=

•

Output Voltage Accuracy ················± 2%

•

Temp. coeff. of Output Voltage ·······Typ.

±

100ppm/°C

•

Line Regulation·······························Typ. 0.01%/V

•

Fold-back Protection Circuit············Current limit Typ. 50mA

•

Auto-Discharge function ·················D Version

•

Packages ········································SON-6, SOT-23-5, HSON-6

•

Ceramic capacitors can be used. ···1μF or more (V

OUT

>

1.0V)

=

BLOCK DIAGRAMS

R1131xxxxA

(

CE

pin "L" active)

V

DD

-

+

Vref

Current Limit

CE

GND

CE

Vref

Current Limit

GND

CE

R1131xxxxB

(CE pin "H" active)

V

OUT

V

DD

-

+

V

OUT

V

DD

R1131xxxxD

(With Auto-Discharge function)

V

OUT

-

+

Vref

Current Limit

GND

SELECTION GUIDES

Package

SON-6

SOT-23-5

HSON-6

Quantity per Reel

Part No.

3,000 pcs

R1131D.xx.1.

∗

-TR-F

3,000 pcs

R1131N.xx.1.

∗

-TR-F

3,000 pcs

R1131D.xx.2.

∗

-TR-F

.xx.

: Specify the output voltage within the range 0.8V (.08.) to 3.3V (.33.)

in 0.1V steps.

.

∗

.

: Select the polarity of the CE pin from (.A.) "L" active, (.B.) "H" active or

(.D.) "H" active with auto-discharge function.

PACKAGES (Top View)

SON-6

6

5

4

TYPICAL CHARACTERISTIC

HSON-6

6

5

4

SOT-23-5

5

4

R1131x33xx

0.40

Dropout Voltage V

DIF

(V)

Dropout Voltage vs. Output Current

85°C

25°C

-40°C

∗

0.35

0.30

0.25

0.20

0.15

0.10

0.05

0

50

1

2

3

1

2

3

1

2

3

1

2

3

4

5

6

V

DD

NC

V

OUT

NC

GND

CE

or CE

1

2

3

4

5

V

DD

GND

CE

or CE

NC

V

OUT

1

2

3

4

5

6

V

DD

NC

V

OUT

NC

GND

CE

or CE

100

150 200 250

Output Current I

OUT

(mA)

300

∗

) The tab and tab suspension leads on back side are substrate level (GND).

APPLICATIONS

•

Power source for hand-held communication equipment, cameras, and VCRs

•

Power source for home appliances

•

Power source for battery-powered equipment

No.EK-116-100119

CMOS LDO Regulator

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