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參數(shù)資料
| 型號(hào)： | RC1117M25 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | GIGATRUE 550 CAT6 PATCH 2 FT, NON BOOT, ORANGE |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PSSO3 |
| 封裝： | PLASTIC, TO-263, 3 PIN |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大小： | 48K |
| 代理商： | RC1117M25 |
www.fairchildsemi.com
REV. 1.3.2 10/16/03
Features
Low dropout voltage
Load regulation: 0.05% typical
Trimmed current limit
On-chip thermal limiting
Standard SOT-223, TO-263, and TO-252 packages
Three-terminal adjustable or fixed 2.5V, 2.85V, 3.3V, 5V
Applications
Active SCSI terminators
High efficiency linear regulators
Post regulators for switching supplies
Battery chargers
5V to 3.3V linear regulators
Motherboard clock supplies
Description
The RC1117 and RC1117-2.5, -2.85, -3.3 and -5 are low
dropout three-terminal regulators with 1A output current
capability. These devices have been optimized for low voltage
where transient response and minimum input voltage are
critical. The 2.85V version is designed specifically to be
used in Active Terminators for SCSI bus.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal limiting
provides protection against any combination of overload and
ambient temperatures that would create excessive junction
temperatures.
Unlike PNP type regulators where up to 10% of the output
current is wasted as quiescent current, the quiescent current
of the RC1117 flows into the load, increasing efficiency.
The RC1117 series regulators are available in the industry-
standard SOT-223, TO-263 (D2PAK), and TO-252 (DPAK)
power packages.
Typical Applications
V
IN
= 3.3V
V
IN
V
OUT
ADJ
1.5V at 1A
RC1117
10
μ
F
22
μ
F
R1
124
R2
24.9
V
IN
= 5V
V
IN
V
OUT
GND
2.85V at 1A
RC1117-2.85
10
μ
F
+
+
+
+
22
μ
F
V
OUT
= V
REF
(1
+
R2/R1) + I
Adj
R2
RC1117
1A Adjustable/Fixed Low Dropout Linear Regulator
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| RC1117M25T | 1A Adjustable/Fixed Low Dropout Linear Regulator |
| RC1117M285 | 1A Adjustable/Fixed Low Dropout Linear Regulator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RC1117M25T | 功能描述:低壓差穩(wěn)壓器 - LDO 1a Linear Reg 2.5V Fixed RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| RC1117M25T_32 | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 1a Linear Reg 2.5V Fixed RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| RC1117M285 | 功能描述:低壓差穩(wěn)壓器 - LDO 1A Low Dropout Lin RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| RC1117M285T | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| RC1117M285T_32 | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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