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參數(shù)資料
| 型號： | AT1397A |
| 廠商： | Aimtron Technology Corp. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 6-Channel DC-DC Converter for DSC |
| 中文描述： | 6聲道的DC - DC轉換器的數(shù)碼相機 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 696K |
| 代理商： | AT1397A |
AT1397A/B
Preliminary Product Information
6-Channel DC-DC Converter for DSC
Features
95% Efficient possible DC/DC Converter
Bulit-in LED Driver and Open LED
Overvoltage Protection
Transformerless Inverting Controller for CCD
Bias
2 Channel Built-in MOSFET Current- Mode
PWM and 4 Channel Extra PWM Controllers
(CH-3 Synchronous Output)
Up to 1MHz Operating Frequency
Shutdown Current <1uA
Built-in Soft-Start Function
Built-in Short-Circuit Protection Function
QFN48 Package
Applications
DSC Power Supply
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
1/10/2006
REV:1.0
Email:
service@aimtron.com.tw
1
General Description
The AT1397A/B provide a complete power
supply solution for digital cameras. They improve
performance, component count, and size compared
to other multi-channel controllers in 1-cell Li-Ion
designs. On-chip MOSFETs provide up to 92~95%
efficiency for critical power supplies, while
additional channels operate with external FETs for
optimum design flexibility. All channels DC/DC
operate at one fixed frequency settable from
100KHz to 1MHz to optimize size, cost, and
efficiency.
Pin Assignment
AT1397
11
10
9
8
7
6
5
4
3
2
1
34
35
36
37
38
39
40
41
42
43
44
21
20
19
18
17
16
15
14
13
12
22
23
24
25
26
27
28
29
30
31
32
33
45
46
47
48
CH1
Synchronous Rectified
Current Mode Step-Down
On-Chip MOSFET
CH1
Synchronous Rectified
Current Mode Step-Down
On-Chip MOSFET
CH2
Synchronous Rectified
Current Mode Step-Down
On-Chip MOSFET
CH2
Synchronous Rectified
Current Mode Step-Down
On-Chip MOSFET
CH3
Synchronous Rectified
Voltage Mode Step-Down
CH3
Synchronous Rectified
Voltage Mode Step-Down
CH4
Seletable Voltage Mode
Step-Up/Down/Inverting
CH4
Seletable Voltage Mode
Step-Up/Down/Inverting
CH5
Voltage Mode PWM
LED Driver
CH5
Voltage Mode PWM
Step-Up
CH6
Voltage Mode Step-Up
CH6
Voltage Mode Step-Up
AT1397AN
AT1397BN
Ordering Information
Part Number
AT1397 N
：
A:1397AN B:1397BN
：
Date Code
*
For more marking information, contact our sales representative directly.
Aimtron reserves the right without notice to change this circuitry and specifications.
Package
QFN48,Green
Marking
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT1397AN | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:6-Channel DC-DC Converter for DSC |
| AT1397BN | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:6-Channel DC-DC Converter for DSC |
| AT14 | 功能描述:整流器/與可變電容器 250vlts 1.0pF-14.0pF RoHS:否 制造商:Xicon 電容范圍:2.8 pF to 12.5 pF 容差: 電壓額定值:200 V 工作溫度范圍:- 35 C to + 85 C 端接類型:SMD/SMT 產(chǎn)品:Trimmer Capacitors - Ceramic Dielectric |
| AT-14 | 功能描述:揚聲器與變頻器 110 dBA 16Vpp 3300Hz RoHS:否 制造商:PUI Audio 產(chǎn)品:Speakers 類型:Electromagnetic 頻率:900 Hz to 12 kHz 聲壓級:88 dBA 阻抗:8 Ohms 功率額定值:1.2 W 形狀:Round 端接類型:Solder Pad 直徑:15 mm 長度: 寬度: 深度:4.4 mm 磁體材料:Neodymium Iron Boran (NdFeB) 圓錐體材料:Mylar |
| AT-14.31818MAGE-T | 功能描述:晶體 14.31818MHz 30ppm 12pF -40 to 85C RoHS:否 制造商:AVX 頻率:26 MHz 容差: 頻率穩(wěn)定性:50 PPM 負載電容:8 pF 端接類型:SMD/SMT 封裝 / 箱體:1210 (3225 metric) 工作溫度范圍:- 40 C to + 150 C 尺寸:2.5 mm W x 3.2 mm L x 0.85 mm H 封裝:Reel |
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