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參數(shù)資料
| 型號(hào)： | CBC2518T |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual 600mA Step-Down Converter with Synchronization |
| 中文描述： | 雙600mA降壓轉(zhuǎn)換器的同步 |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大小： | 719K |
| 代理商： | CBC2518T |
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General Description
The AAT2513 is a high efficiency dual synchronous
step-down converter for applications where power
efficiency, thermal performance and solution size
are critical. Input voltage ranges from 2.7V to 5.5V,
making it ideal for systems powered by single-cell
lithium-ion/polymer batteries.
Each converter is capable of 600mA output current
and has its own enable pin. Efficiency of the con-
verters is optimized over full load range. Total no
load quiescent current is 60μA, allowing high effi-
ciency even under light load conditions.
The integrated power switches are controlled by
pulse width modulation (PWM) with a 1.7MHz typi-
cal switching frequency at full load, which minimizes
the size of external components. Fixed frequency,
low noise operation can be forced by a logic signal
on the MODE pin. Furthermore, an external clock
can be used to synchronize the switching frequency
of both converters.
A phase shift pin (PS) is available to operate the
two converters 180° out of phase at heavy load to
achieve low input ripple.
The AAT2513 is available in a Pb-free, thermally
enhanced 16-pin QFN33 package and is specified
for operation over the -40°C to +85°C temperature
range.
Features
V
IN
Range: 2.7V to 5.5V
Output Current:
— Channel 1: 600mA
— Channel 2: 600mA
96% Efficient Step-Down Converter
Low No Load Quiescent Current
— 60μA Total for Both Converters
Integrated Power Switches
100% Duty Cycle
1.7MHz Switching Frequency
Optional Fixed Frequency or External SYNC
Logic Selectable 180° Phase Shift Between
the Two Converters
Current Limit Protection
Automatic Soft-Start
Over-Temperature Protection
QFN33-16 Package
-40°C to +85°C Temperature Range
Applications
Cellular Phones / Smart Phones
Digital Cameras
Handheld Instruments
Micro Hard Disc Drives
Microprocessor / DSP Core / IO Power
PDAs and Handheld Computers
AAT2513
Dual 600mA Step-Down
Converter with Synchronization
Typical Application
Input:
2.7V to 5.5V
VIN2
LX1
C
IN
1μF
C2
4.7μF
AAT2513
2μH
L1
R1
R2
R3
R4
L2
LX2
FB1
FB2
VOUT2
2μH
C1
4.7μF
PGND1
AGND
VCC
EN1
EN2
MODE/SYNC
PS
PGND2
VIN1
VOUT1
2513.2007.04.1.1
1
SystemPower
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CBC2518T100 | 制造商:TAIYO-YUDEN 制造商全稱:Taiyo Yuden (U.S.A.), Inc 功能描述:WOUND CHIP INDUCTORS |
| CBC2518T100K | 功能描述:固定電感器 INDCTR HI CUR WND 1007 10uH 10% RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| CBC2518T100KR | 制造商:TAIYO-YUDEN 制造商全稱:Taiyo Yuden (U.S.A.), Inc 功能描述:WIRE-WOUND CHIP POWER INDUCTORS (CB SERIES) |
| CBC2518T100KV | 功能描述:10μH Unshielded Wirewound Inductor 375mA 468 mOhm Max 1007 (2518 Metric) 制造商:taiyo yuden 系列:CB 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:繞線 材料 - 磁芯:鐵氧體 電感:10μH 容差:±10% 額定電流:375mA 電流 - 飽和值:480mA 屏蔽:無(wú)屏蔽 DC 電阻（DCR）:468 毫歐最大 不同頻率時(shí)的 Q 值:- 頻率 - 自諧振:30MHz 等級(jí):- 工作溫度:-40°C ~ 105°C 頻率 - 測(cè)試:2.52MHz 安裝類型:表面貼裝 封裝/外殼:1007（2518 公制） 大小/尺寸:0.098" 長(zhǎng) x 0.071" 寬（2.50mm x 1.80mm） 高度 - 安裝（最大值）:0.079"（2.00mm） 標(biāo)準(zhǔn)包裝:1 |
| CBC2518T100M | 功能描述:固定電感器 INDCTR HI CUR WND 1007 10uH 20% RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
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