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參數(shù)資料
| 型號： | LP3996SDX-3333 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Dual Linear Regulator with 300mA and 150mA Outputs and Power-On-Reset |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10 |
| 封裝： | 3 X 3 MM, LEAD FREE, LLP-10 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 871K |
| 代理商： | LP3996SDX-3333 |
Electrical Characteristics
(Notes 2, 8) (Continued)
Note 1:
Absolute Maximum Ratings are limits beyond which damage can occur. Operating Ratings are conditions under which operation of the device is
guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see the Electrical
Characteristics tables.
Note 2:
All Voltages are with respect to the potential at the GND pin.
Note 3:
For detailed soldering specifications and information, please refer to National Semiconductor Application Note AN-1187, Leadless Leadframe Package.
Note 4:
Internal thermal shutdown circuitry protects the device from permanent damage.
Note 5:
The human body model is 100pF discharged through a 1.5k
resistor into each pin. The machine model is a 200pF capacitor discharged directly into each
pin.
Note 6:
The maximum ambient temperature (T
A(max)
) is dependant on the maximum operating junction temperature (T
J(max-op)
= 125C), the maximum power
dissipation of the device in the application (P
D(max)
), and the junction to ambient thermal resistance of the part/package in the application (
θ
JA
), as given by the
following equation: T
A(max)
= T
J(max-op)
- (
θ
JA
x P
D(max)
).
Note 7:
Junction to ambient thermal resistance is dependant on the application and board layout. In applications where high maximum power dissipation is possible,
special care must be paid to thermal dissipation issues in board design.
Note 8:
Min Max limits are guaranteed by design, test or statistical analysis. Typical numbers are not guaranteed, but do represent the most likely norm.
Note 9:
V
IN(MIN)
= V
OUT(NOM)
+ 0.5V, or 2.0V, whichever is higher.
Note 10:
Dropout voltage is voltage difference between input and output at which the output voltage drops to 100mV below its nominal value. This parameter only
for output voltages above 2.0V
Note 11:
This electrical specification is guaranteed by design.
Output Capacitor, Recommended Specifications
Symbol
Parameter
Conditions
Nom
Limit
Units
Min
Max
C
OUT
Output Capacitance
Capacitance
(Note 12)
ESR
1.0
0.7
μF
5
500
m
Note 12:
The Capacitor tolerance should be 30% or better over temperature. The full operating conditions for the application should be considered when selecting
a suitable capacitor to ensure that the minimum value of capacitance is always met. Recommended capacitor is X7R. However, depending on the application, X5R,
Y5V and Z5U can also be used. (See capacitor section in Applications Hints).
Transient Test Conditions
20145808
FIGURE 1. PSRR Input Signal
L
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|---|---|
| LP3996SDX-3333/NOPB | 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 |
| LP3997MM-3.3 | 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 |
| LP3997MM-3.3/NOPB | 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 |
| LP3997MM-3.3/NOPB | 制造商:Texas Instruments 功能描述:Linear Voltage Regulator IC |
| LP3997MMX-3.3/NOPB | 功能描述:IC REG LDO 3.3V .25A 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最?。?420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
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