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參數(shù)資料
| 型號(hào)： | LM4510SDX/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | LM4510 Synchronous Step-Up DC/DC Converter with True Shutdown Isolation; Package: LLP; No of Pins: 10; Qty per Container: 4500/Reel |
| 中文描述： | 1.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, DSO10 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-10 |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 2467K |
| 代理商： | LM4510SDX/NOPB |
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Block Diagram
30031013
FIGURE 2. LM4510 Block Diagram
Operation Description
LM4510 is a peak current-mode, fixed-frequency PWM boost
regulator
that
employs
both
Synchronous
and
Non-Synchronous Switching.
The DC/DC regulator regulates the feedback output voltage
providing excellent line and load transient response. The op-
eration of the LM4510 can best be understood by referring to
the Block Diagram.
NON-SYNCHRONOUS OPERATION
The device operates in Non-synchronous Mode at light load
(I
OUT < 10 mA) or when output voltage is lower than 10V (typ.).
At light load, LM4510 automatically changes its switching op-
eration from 'Synchronous' to 'Non-Synchronous' depending
on V
IN and L. Non-Synchronous operation at light load maxi-
mizes power efficiency by reducing PMOS driving loss.
OPERATION IN SYNCHRONOUS CONTINUOUS
CONDUCTION MODE (CYCLE 1, CYCLE 2)
30031014
FIGURE 3. Schematic of Synchronous Boost Converter
www.national.com
10
LM4510
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4540 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:AC ’97 Codec with National 3D Sound |
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| LM4540VHX | 功能描述:IC AUDIO CODEC '97 18BIT 48LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類(lèi)型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
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