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參數(shù)資料
| 型號： | DS1244Y |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 封裝： | 0.740 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 20/21頁 |
| 文件大小： | 1965K |
| 代理商： | DS1244Y |
MAX17129/MAX17149
Low-Cost, 6-String WLED Drivers with
Quick-PWM Step-Up Converter
8
Typical Operating Characteristics (continued)
(Circuit of Figure 1. VIN = 12V, TA = +25°C, unless otherwise noted.)
LINE TRANSIENT RESPONSE
(VIN = 9V21V, BRIGHTNESS = 100%)
MAX17129 toc12
VIN
10V/div
INDUCTOR
CURRENT
500mA/div
IFB1
20mA/div
0A
0V
VOUT
(AC-COUPLED)
500mV/div
0mA
100s/div
20mA
21V
9V
LINE TRANSIENT RESPONSE
(VIN = 21V9V, BRIGHTNESS = 100%)
MAX17129 toc13
VIN
10V/div
INDUCTOR
CURRENT
500mA/div
IFB1
20mA/div
0A
0V
VOUT
(AC-COUPLED)
200mV/div
0mA
200s/div
20mA
21V
9V
MAXIMUM UNBALANCE RATE
BETWEEN STRINGS vs. BRIGHTNESS
(VIN = 12V, fBRT = 200Hz, ILED = 20mA)
MAX17129
toc14
BRIGHTNESS (%)
MAXIMUM
UNBALANCE
RATE
(%)
90
80
70
60
50
40
30
20
0.2
0.4
0.6
0.8
1.0
0
10
100
MAX. UNBALANCE
RATE (%)
=
IFB_-IFB(AVG) MAX
IFB(AVG)
MAXIMUM UNBALANCE RATE
BETWEEN STRINGS
(ILED = 20mA AT 100% BRIGHTNESS)
vs. INPUT VOLTAGE
MAX17129
toc15
INPUT VOLTAGE (V)
MAXIMUM
UNBALANCE
RATE
(%)
24
21
18
15
12
9
0.3
0.4
0.5
0.6
0.7
0.8
0.2
6
MAX. UNBALANCE
RATE (%)
=
IFB_-IFB(AVG) MAX
IFB(AVG)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1245AB-100 | 128K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DMA32 |
| DS1245Y-120 | 128K X 8 NON-VOLATILE SRAM MODULE, 120 ns, DMA32 |
| DS1245AB-85 | 128K X 8 NON-VOLATILE SRAM MODULE, 85 ns, DMA32 |
| DS1245Y-85 | 128K X 8 NON-VOLATILE SRAM MODULE, 85 ns, DMA32 |
| DS1245Y-70 | 128K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1244Y120 | 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-120 | 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-150 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-200 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256K NV SRAM with Phantom Clock |
| DS1244Y-70 | 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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