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參數(shù)資料
| 型號(hào)： | LM2700LD-ADJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
| 中文描述： | 4.3 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, DSO14 |
| 封裝： | LLP-14 |
| 文件頁(yè)數(shù)： | 5/17頁(yè) |
| 文件大?。?/td> | 478K |
| 代理商： | LM2700LD-ADJ |
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Electrical Characteristics
(Continued)
Note 3:
The maximum allowable power dissipation is a function of the maximum junction temperature, T
J
(MAX), the junction-to-ambient thermal resistance,
θ
JA
,
and the ambient temperature, T
A
. See the Electrical Characteristics table for the thermal resistance. The maximum allowable power dissipation at any ambient
temperature is calculated using: P
D
(MAX) = (T
J(MAX)
T
A
)/
θ
JA
. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the
regulator will go into thermal shutdown.
Note 4:
The human body model is a 100 pF capacitor discharged through a 1.5k
resistor into each pin. The machine model is a 200pF capacitor discharged
directly into each pin.
Note 5:
All limits guaranteed at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits are 100% tested
or guaranteed through statistical analysis.All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods.
All limits are used to calculate Average Outgoing Quality Level (AOQL).
Note 6:
Typical numbers are at 25C and represent the most likely norm.
Note 7:
Duty cycle affects current limit due to ramp generator.
Note 8:
Current limit at 0% duty cycle. See TYPICAL PERFORMANCE section for Switch Current Limit vs. V
IN
Note 9:
Bias current flows into FB pin.
Note 10:
Does not include the bond wires. Measured directly at the die.
Note 11:
Refer to National’s packaging website for more detailed thermal information and mounting techniques for the LLP and TSSOP packages.
Typical Performance Characteristics
Efficiency vs. Load Current
(V
OUT
= 8V, f
S
= 600 kHz)
Efficiency vs. Load Current
(V
OUT
= 8V, f
S
= 1.25 MHz)
20012326
20012325
Efficiency vs. Load Current
(V
OUT
= 5V, f
S
= 600 kHz)
Efficiency vs. Load Current
(V
OUT
= 12V, f
S
= 600 kHz)
20012334
20012335
L
www.national.com
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2700LD-ADJ/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM2700LDX-ADJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
| LM2700LDX-ADJ/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM2700MT-ADJ | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM2700MT-ADJ | 制造商:Texas Instruments 功能描述:IC PWM DC/DC CONTROLLER SMD 2700 |
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