R1191H051B-T1-FE datasheet, PDF

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R1191H051B-T1-FE: DescriptionFixed Positive LDO Regulator, 5.1V, 1V Dropout, PDSO5, HALOGEN FREE AND ROHS COMPLIANT, SOT-89, 5 PIN; CategoryPower/power management The power supply circuit; File Size3MB，33 Pages; ManufacturerRICOH Electronic Devices Co., Ltd.; Environmental Compliance

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R1191H051B-T1-FE Overview

Fixed Positive LDO Regulator, 5.1V, 1V Dropout, PDSO5, HALOGEN FREE AND ROHS COMPLIANT, SOT-89, 5 PIN

R1191H051B-T1-FE 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	SOT-89
package instruction	SOT-89, 5 PIN
Contacts	5
Reach Compliance Code	unknow
ECCN code	EAR99
Maximum drop-back voltage 1	1 V
Maximum input voltage	16 V
Minimum input voltage	3.5 V
JESD-30 code	R-PDSO-F5
JESD-609 code	e3
length	4.5 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	5
Maximum output voltage 1	5.304 V
Minimum output voltage 1	4.896 V
Nominal output voltage 1	5.1 V
Package body material	PLASTIC/EPOXY
encapsulated code	HLSOF
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
Peak Reflow Temperature (Celsius)	260
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.6 mm
surface mount	YES
Terminal surface	Matte Tin (Sn)
Terminal form	FLAT
Terminal pitch	1.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	2.5 mm

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R1191x SERIES

300mA LDO REGULATOR with the Reverse Current Protection

NO.EA-229-111026

OUTLINE

R1191x Series are a low supply current voltage regulator with high output voltage accuracy. The maximum

operating voltage is 16V. These ICs can switch to the fast mode and the low power mode by the low power / fast

mode changer pin (ECO pin) without changing the output voltage value.

Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor-net for voltage setting, a

short current limit circuit, a thermal shutdown circuit and a chip enable circuit.

Moreover, the R1191x Series has the reverse current protection function, which protects the reverse current

flow into V

pin when the output pin voltage becomes higher than the V

pin voltage. Thus it is suitable for the

back-up circuit.

Since the packages for these ICs are SOT-89-5, SOT-23-5 and DFN1616-6, therefore high density mounting

of the ICs on boards is possible.

FEATURES

•

Supply Current ..................................................... Typ. 50μA (Fast Mode),

Typ. 6.0μA (Low Power Mode)

•

Standby Mode ...................................................... Typ. 0.3μA

•

Reverse Current................................................... Max. 0.1μA

•

Output Current ..................................................... Min. 300mA

•

Input Voltage Range ............................................ 3.5V to 16.0V

•

Output Voltage Range.......................................... 2.0V to 15.0V (0.1V steps)

(

For other voltages, please refer to MARK INFORMATIONS.)

•

Output Voltage Accuracy......................................

±1.5%

(Fast Mode)

±2.5%

(Low Power Mode)

•

Temperature-Drift Coefficient of Output Voltage .. Typ.

±80ppm/°C

•

Dropout Voltage ................................................... Typ. 0.55V (Fast Mode, I

OUT

=300mA

OUT

=5.0V)

Typ. 0.70V (Low Power Mode, I

OUT

=300mA,V

OUT

=5.0V)

•

Ripple Rejection................................................... Typ. 60dB (f=1kHz,V

OUT

=5.0V,

Fast Mode)

•

Line Regulation .................................................... Typ. 0.02%/V (Fast Mode)

•

Packages ............................................................ DFN1616-6, SOT-23-5, SOT-89-5

•

Built-in fold-back protection circuit ....................... Typ. 50mA (Current at short mode)

•

Built-in Thermal Shutdown Circuit........................ Shutdown Temperature at 150°C

•

Ceramic capacitors are recommended to be used with this IC ····C

=2.2μF

or more, C

OUT

=4.7μF

or more

APPLICATIONS

•

Power source for digital home appliances

•

Power source for audio visual equipment

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