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參數資料
| 型號： | FAN1117AS33X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1A Adjustable/Fixed Low Dropout Linear Regulator |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PDSO4 |
| 封裝： | PLASTIC, SOT-223, 4 PIN |
| 文件頁數： | 1/9頁 |
| 文件大小： | 49K |
| 代理商： | FAN1117AS33X |
www.fairchildsemi.com
REV. 1.1.0 11/7/03
Features
Low dropout voltage
Load regulation: 0.05% typical
Trimmed current limit
On-chip thermal limiting
Standard SOT-223, TO-220, and TO-252 packages
Three-terminal adjustable or fixed 1.8V, 2.5V, 2.85V,
3.3V, 5V
Applications
Active SCSI terminators
High efficiency linear regulators
Post regulators for switching supplies
Battery chargers
12V to 5V linear regulators
Motherboard clock supplies
Description
The FAN1117A and FAN1117A-1.8, -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 FAN1117A flows into the load, increasing efficiency.
The FAN1117A series regulators are available in the
industry-standard SOT-223, TO-220, and TO-252 (DPAK)
power packages.
Typical Applications
V
IN
= 12V
V
IN
V
OUT
ADJ
9V at 1A
FAN1117A
10
μ
F
22
μ
F
R1
124
R2
768
V
IN
= 12V
V
IN
V
OUT
GND
5V at 1A
FAN1117A-5
10
μ
F
+
+
+
+
22
μ
F
V
OUT
= V
REF
(1
+
R2/R1) + I
ADJ
R2
FAN1117A
1A Adjustable/Fixed Low Dropout Linear Regulator
相關PDF資料 |
PDF描述 |
|---|---|
| FAN1117AS5X | 1A Adjustable/Fixed Low Dropout Linear Regulator |
| FAN1537 | Dual 1A Adjustable/Fixed Low Dropout Linear Regulators |
| FAN1537DB | FETs - Nch 150V<VDSS=250V; Surface Mount Type: N; Package: PW-MOLD; R DS On (Ω): (max 1.7); P D (W): (max 3) |
| FAN1537MA | VOLT REGULATOR|FIXED|+2.5V & +3.3V|BIPOLAR|SOP|8PIN|PLASTIC |
| FAN1537MC | FETs - Nch 150V<VDSS=250V; Surface Mount Type: Y; Package: TSSOP-8; Number Of Pins: 8; R DS On (Ω): (max 0.58); P D (W): (max 1.7) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN1117AS-5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| FAN1117AS5X | 功能描述:低壓差穩壓器 - LDO 1A Adjustable 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1117AS5X_NL | 功能描述:低壓差穩壓器 - LDO 1A Adjustable 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1117ASX | 功能描述:低壓差穩壓器 - LDO 1A Adjustable 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1117ASX | 制造商:Fairchild Semiconductor Corporation 功能描述:Linear Voltage Regulator IC |
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