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參數資料
| 型號： | R1171S371D-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓單路輸出LDO穩壓器 |
| 英文描述： | 3.7 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6 |
| 封裝： | HSOP, 6 PIN |
| 文件頁數： | 1/22頁 |
| 文件大小： | 324K |
| 代理商： | R1171S371D-E2 |
R1171x SERIES
2.0A/1.5A LDO REGULATOR
NO. EA-125-1018
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-shunt 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-252-5L (Under Development), high
density mounting of the ICs on boards is possible.
FEATURES
Low Supply Current...................................................... Typ. 130A
Low Standby Current.................................................... Typ. 0.1A
Output Current.............................................................. Min. 1.5A (VIN=VOUT+1.0V, R1171SxxxA/B)
Min. 2.0A (VIN
=VOUT+1.0V, R1171JxxxC/D)
(Under Development)
Output Voltage.............................................................. Stepwise setting with a step of 0.1V in the range of
1.5V to 5.0V for A/B Versions,
1.8V to 5.0V for C/D Versions.
Output Voltage Accuracy.............................................. ± 2.0%
Low Dropout Voltage .................................................... Typ. 0.09V (VOUT=3.0V, IOUT=300mA)
Line Regulation ............................................................ Typ. 0.05%/V
Packages...................................................................... HSOP-6J, TO-252-5L (Under Development)
Built-in Current Limit Circuit
Built-in Thermal Shunt Circuit
Low Temperature-drift Coefficient of Output Voltage ... Typ. ± 100ppm/°C
Ceramic capacitor for phase compensation................. CIN=COUT=Ceramic 10.0F (VOUT<1.8V)
CIN
=COUT=Ceramic 4.7F (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PDF資料 |
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| R1171S381A-E2 | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6 |
| R1171S381B-E2 | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6 |
| R1171S381C-E2 | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6 |
| R1171S381D-E2 | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6 |
| R1171S391A-E2 | 3.9 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO6 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| R1172H | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:POWER MANAGEMENT ICs MARK INFORMATIONS |
| R1172H081A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:POWER MANAGEMENT ICs MARK INFORMATIONS |
| R1172H081B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:POWER MANAGEMENT ICs MARK INFORMATIONS |
| R1172H081D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:POWER MANAGEMENT ICs MARK INFORMATIONS |
| R1172H091A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:POWER MANAGEMENT ICs MARK INFORMATIONS |
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