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| 型号： | CAT4101TV-T75 |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR HP CONST CURR D2PAK |
| 特色产品： | 1 Amp Constant-Current, Low Dropout Driver (LDD?) |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，通用 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 电源电压： | 3 V ~ 5.5 V |
| 输出电压： | 25V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | TO-263-5 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 805 (CN2011-ZH PDF) |
| 其它名称： | CAT4101TV-T75DKR |
CAT4101
Table 4. RECOMMENDED EN/PWM TIMING
(For 3.0 V ≤ V IN ≤ 5.5 V, over full ambient temperature range ? 40 ° C to +85 ° C.)
Symbol
T PS
T P1
Name
Turn ? On time, EN/PWM rising to I LED from
Shutdown
Turn ? On time, EN/PWM rising to I LED
Conditions
I LED = 1 A
I LED = 350 mA
I LED = 1 A
Min
Typ
1.6
1.1
920
Max
Units
m s
ns
I LED = 350 mA
620
T P2
Turn ? Off time, EN/PWM falling to I LED
I LED = 1 A
440
ns
I LED = 350 mA
310
T R
LED rise time
I LED = 1 A
840
ns
I LED = 350 mA
390
T F
LED fall time
I LED = 1 A
470
ns
I LED = 350 mA
350
T LO
T HI
T PWRDWN
EN/PWM low time
EN/PWM high time
EN/PWM low time to shutdown delay
T HI
1
5
8
T PWRDWN
m s
m s
ms
T LO
EN/PWM
SHUTDOWN
T P2
T F
SHUTDOWN
T PS
T P1
T R
I LED = (1.2 V / R SET ) x 400
LED CURRENT
50%
50%
90%
SHUTDOWN 0 mA
VIN QUIESCENT CURRENT
SHUTDOWN 0 mA
10%
0 mA
SHUTDOWN
Figure 2. CAT4101 EN/PWM Timing
EN/PWM Operation
The EN/PWM pin has two primary functions. One
function enables and disables the device. The other function
turns the LED channel on and off for PWM dimming
control. The device has a very fast turn ? on time (from
EN/PWM rising to LED on) and allows “instant on” when
dimming LED using a PWM signal.
Accurate linear dimming is compatible with PWM
frequencies from 100 Hz to 5 kHz for PWM duty cycle
When performing a combination of low frequencies and
small duty cycles, the device may enter shutdown mode.
This has no effect on the dimming accuracy, because the
turn ? on time T PS is very short, in the range of 1 m s.
To ensure that PWM pulses are recognized, pulse width
low time T LO should be longer than 1 m s. The CAT4101
enters a “zero current” shutdown mode after a 5 ms delay
(typical) when EN/PWM is held low.
down to 1%. PWM frequencies up to 50 kHz can be
supported for duty cycles greater than 10%.
http://onsemi.com
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相关代理商/技术参数 |
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| CAT4101TV-T75 | 制造商:ON Semiconductor 功能描述:IC LED DRIVER CONSTANT CURRENT TO263- 制造商:ON Semiconductor 功能描述:IC, LED DRIVER, CONSTANT CURRENT, TO263- |
| CAT4101TV-T75-CUT TAPE | 制造商:ON 功能描述:CAT4101 Series 1 A 5.5 V 5 kHz PWM Dimming Constant Current LED Driver TO-263-5 |
| CAT4103 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:3-Channel Constant-Current RGB LED Driver |
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| CAT4103AGEVB | 功能描述:CAT4103 3, Non-Isolated Output LED Driver Evaluation Board 制造商:on semiconductor 系列:- 零件状态:有效 电流 - 输出/通道:175mA 输出和类型:3，非隔离 电压 - 输出:- 特性:- 电压 - 输入:3 V ~ 5.5 V 所含物品:板 使用的 IC/零件:CAT4103 标准包装:1 |
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