參數(shù)資料
型號(hào)： R1171J281D-T1-F
廠商： RICOH COMPANY LTD
元件分類： 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述： 2.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PSSO5
封裝： HALOGEN FREE AND ROHS COMPLIANT, TO-252, 5 PIN
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 502K
代理商： R1171J281D-T1-F
R1171x SERIES
2.0A/1.5A LDO REGULATOR
NO. EA-125-100308
1
OUTLINE
The R1171x Series are CMOS-based positive voltage regulator ICs. The R1171x Series have features of low
dropout voltage, high output voltage accuracy, low consumption current. Each of these ICs consists of a voltage
reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at short mode, a
chip enable circuit, and thermal shutdown circuit. The output voltage of R1171 is fixed in the IC.
Low consumption current by the merit of CMOS process and built-in transistors with low ON-resistance make
low dropout voltage and chip enable function prolongs the battery life. These regulators are remarkable
improvement on the current regulators in terms of input transient response, and load transient response.
Thus, the R1171x Series are suitable for various power sources.
Since the packages for these ICs are high wattage HSOP-6J package, TO-252-5-P1, high density mounting of
the ICs on boards is possible.
FEATURES
Supply Current ............................................................. Typ. 130μA
Standby Current ........................................................... Typ. 0.1μA
Output Current ............................................................. Min. 1.5A (VIN=VOUT+1.0V, R1171Sxx1A/B)
Min. 2.0A (VIN
=VOUT+1.0V, R1171Jxx1C/D)
Input Voltage ................................................................ 2.1V to 6.0V
Output Voltage ............................................................. 1.5V to 5.0V (0.1V steps) (R1171Sxx1A/B)
1.8V to 5.0V (0.1V steps) (R1171Jxx1C/D)
(For other voltages, please refer to MARK INFORMATIONS.)
Output Voltage Accuracy.............................................. ± 2.0%
Dropout Voltage ........................................................... Typ. 0.09V (VOUT=3.0V, IOUT=300mA)
Temperature-drift Coefficient of Output Voltage........... Typ. ± 100ppm/°C
Line Regulation ............................................................ Typ. 0.05%/V
Packages ..................................................................... HSOP-6J, TO-252-5-P1
Built-in Current Limit Circuit
Built-in Thermal Shutdown Circuit
Ceramic capacitor for phase compensation ................ CIN=COUT=Ceramic 10μF (VOUT<1.8V)
CIN
=COUT=Ceramic 4.7μF (VOUT >
= 1.8V)
APPLICATIONS
Local Power source for Notebook PC.
Local Power source for portable appliances, cameras, and videos.
Local Power source for equipment of battery-use.
Local Power source for home appliances.
相關(guān)PDF資料
PDF描述
R1171J291C-T1-F 2.9 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PSSO5
R1171J301C-T1-F 3 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PSSO5
R1171J301D-T1-F 3 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PSSO5
R1171J321D-T1-F 3.2 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PSSO5
R1171J331C-T1-F 3.3 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PSSO5
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