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R1154x Schematic ( PDF Datasheet ) - RICOH

Teilenummer R1154x
Beschreibung 150mA Voltage Regulator
Hersteller RICOH
Logo RICOH Logo 




Gesamt 22 Seiten
R1154x Datasheet, Funktion
R1154x SERIES
150mA Voltage Regulator (Wide Input Voltage Range)
NO.EA-100-120521
OUTLINE
The R1154x series are CMOS-based voltage regulator (VR) ICs. The R1154x has features of high output
voltage accuracy and ultra-low supply current. A peak current limit circuit, a short current limit circuit, and a
thermal shutdown circuit are built in the R1154x series.
The regulator output voltage is fixed in the R1154xxxxB, while adjustable type is the R1154x001C.
Output voltage accuracy is ±2.0%.
Since the packages for these ICs are DFN1616-6, SOT-23-5, and SOT-89-5, high density mounting of the ICs
on boards is possible.
FEATURES
Supply Current .................................................Typ. 5.0μA
Standby Current ...............................................Typ. 0.1μA
Output Voltage Accuracy..................................±2.0%
Wide Output Voltage Range ............................2.5V to 12.0V (0.1V steps) (xxxB)
adjustable in the range of 2.5V to VIN or 24.0V (001C)
(For other voltages, please refer to MARK INFORMATIONS.)
Input Voltage ....................................................Max. 24.0V
Output Current .................................................Min. 140mA (VIN=VOUT+2.0V, 2.5V Output type)
Min. 150mA (VIN=VOUT+2.0V, 3.0V Output type)
Package ...........................................................DFN1616-6, SOT-23-5, SOT-89-5
Built-in Peak Current Limit Circuit
Built-in Short Current Limit Circuit
Built-in Thermal Shutdown Circuit
APPLICATIONS
Power source for home appliances such as refrigerators, rice cookers, Electronic water warmers, etc.
Power source for car audio equipment, car navigation system, and ETC system.
Power source for notebook PCs, digital TVs, cordless phones, and LAN system.
Power source for copiers, printers, facsimiles, and scanners.
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R1154x Datasheet, Funktion
R1154x
POWER DISSIPATION (SOT-23-5)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
(Power Dissipation (SOT-23-5) is substitution of SOT-23-6.)
Measurement Conditions
Environment
Board Material
Board Dimensions
Copper Ratio
Through-holes
Standard Land Pattern
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plastic (Double sided)
40mm × 40mm × 1.6mm
Top side : Approx. 50% , Back side : Approx. 50%
φ0.5mm × 44pcs
Measurement Results
Power Dissipation
Thermal Resistance
600
500
400 420
Standard Land Pattern
420mW
θja=(12525°C)/0.42W=238°C/W
On Board
(Topt=25°C, Tjmax=125°C)
Free Air
250mW
400°C/W
40
300
250
200
100
Free Air
0
0
25 50 75 100105 125
Ambient Temperature (°C)
Power Dissipation
RECOMMENDED LAND PATTERN
0.7 Max.
150
Measurement Board Pattern
IC Mount Area (Unit: mm)
1.0
2.4
0.95 0.95
1.9
(Unit: mm)
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6 Page









R1154x pdf, datenblatt
R1154x
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1154x025B
Topt=25˚C
3
2.5
4.5V
2
VIN=3.5V 4.0V
1.5
5.5V
1
0.5
0
0 100 200 300
Output Current IOUT(mA)
3.5
3
2.5
2
1.5
1
0.5
0
0
R1154x030B
Topt=25˚C
VIN=4.0V
5.0V
4.5V
6.0V
100 200
Output Current IOUT(mA)
300
R1154x050B
Topt=25˚C
6
6.5V
5
7.0V
4
VIN=6.0V
3
8.0V
2
1
0
0 100 200 300
Output Current IOUT(mA)
3
2.5
2
1.5
1
0.5
0
0
3.5
3
2.5
2
1.5
1
0.5
0
0
6
5
4
3
2
1
0
0
R1154x025B
VIN=4.5V
-40˚C
105˚C
25˚C
100 200
Output Current IOUT(mA)
300
R1154x030B
VIN=5.0V
105˚C
-40˚C
25˚C
100 200
Output Current IOUT(mA)
300
R1154x050B
VIN=7.0V
-40˚C
25˚C
105˚C
100 200
Output Current IOUT(mA)
300
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