LD1117F33C Datasheet

IC型號：
LD1117F33C
PDF描述：
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
文件大小：
626.95KB
PDF頁數(shù)：
28頁
芯片廠家：
STMICROELECTRONICS

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LD1117

SERIES

LOW DROP FIXED AND ADJUSTABLE

POSITIVE VOLTAGE REGULATORS

LOW DROPOUT VOLTAGE (1V TYP.)

2.85V DEVICE PERFORMANCES ARE

SUITABLE FOR SCSI-2 ACTIVE

TERMINATION

OUTPUT CURRENT UP TO 800 mA

FIXED OUTPUT VOLTAGE OF: 1.2V, 1.8V,

2.5V, 2.85V, 3.0V, 3.3V, 5.0V

ADJUSTABLE VERSION AVAILABILITY

rel

=1.25V)

INTERNAL CURRENT AND THERMAL LIMIT

AVAILABLE IN 鹵 1% (AT 25擄C) AND 2% IN

FULL TEMPERATURE RANGE

SUPPLY VOLTAGE REJECTION: 75dB (TYP.)

TO-220FM

TO-220

DESCRIPTION

The LD1117 is a LOW DROP Voltage Regulator

able to provide up to 800mA of Output Current,

available even in adjustable version (Vref=1.25V).

Concerning fixed versions, are offered the

following Output Voltages: 1.2V,1.8V,2.5V,2.85V,

3.0V 3.3V and 5.0V. The 2.85V type is ideal for

SCSI-2 lines active termination. The device is

supplied in: SOT-223, DPAK, SO-8, TO-220 and

TO-220FM. The SOT-223 and DPAK surface

mount

packages

optimize

the

thermal

characteristics even offering a relevant space

saving effect. High efficiency is assured by NPN

Figure 1: Block Diagram

DPAK

SOT-223

SO-8

pass transistor. In fact in this case, unlike than

PNP one, the Quiescent Current flows mostly into

the load. Only a very common 10碌F minimum

capacitor is needed for stability. On chip trimming

allows the regulator to reach a very tight output

voltage tolerance, within 鹵 1% at 25擄C. The

ADJUSTABLE LD1117 is pin to pin compatible

with the other standard. Adjustable voltage

regulators maintaining the better performances in

terms of Drop and Tolerance.

October 2004

Rev. 16

1/28

標準包裝
1,000
類別
集成電路 (IC)
家庭
PMIC - 穩(wěn)壓器 - 線性
系列
-
穩(wěn)壓器拓撲結(jié)構(gòu)
正，固定式
輸出電壓
3.3V
輸入電壓
最高 15V
電壓 - 壓降（標準）
1.1V @ 800mA
穩(wěn)壓器數(shù)量
1
電流 - 輸出
950mA
電流 - 限制（最?。?/label>
-
工作溫度
-40°C ~ 125°C
安裝類型
通孔
封裝/外殼
TO-220-3
供應商設備封裝
TO-220AB
包裝
管件
其它名稱
497-4647-5

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LD1117F33C Datasheet

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