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| 型号： | A8513KLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 6/25页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR AUTO BCKLGHT 16TSSOP |
| 特色产品： | Allegro A8513 LED Driver |
| 标准包装： | 1 |
| 拓扑： | PWM，SEPIC，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.8MHz ~ 2.2MHz |
| 电源电压： | 4.5 V ~ 40 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 其它名称： | 620-1440-6 |
A8513
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
ELECTRICAL CHARACTERISTICS 1 (continued) Valid at V IN = 16 V, T A = 25oC, indicates specifications guaranteed through the
full operating temperature range wit h T A = T J = –40oC to125 oC, typical specifications are at T A = 25oC; unless otherwise specified
Characteristics
Minimum Switch Off-Time
Symbol
t SW(OFF)
Test Conditions
Min.
?
Typ.
55
Max.
85
Unit
ns
Oscillator Frequency
A8513KLYTR-T, A8513KLPTR-T
1.8
2
2.2
MHz
Oscillator Frequency
f SW
A8513KLYTR-1-T, A8513KLPTR-1-T
A8513KLYTR-2-T, A8513KLPTR-2-T
A8513KLYTR-3-T, A8513KLPTR-3-T
0.9
450
225
1
500
250
1.1
550
275
MHz
kHz
kHz
LED Current Sinks
LED Accuracy
LED Regulation Voltage
I SET to I LED Current Gain
ISET Pin Voltage
Allowable ISET Current
Soft Start LED Current Gain
Err LED
V LED
A ISET
V ISET
I SET
A ILEDSS
ISET = 150 μ A
ISET = 150 μ A
ISET = 150 μ A
Current through enabled LED pin during
soft start
?
?
1014
?
40
?
?
880
1045
1.003
?
48
3
?
1076
?
160
?
%
mV
A/A
V
μ A
A/A
Measured while EN/PWM = low during
Maximum PWM Dimming Off-Time
Minimum PWM On-Time
t PWML
t PWMH
dimming control, and internal references
are powered-on (exceeding t PWML results in
shutdown)
First cycle when powering-up A8513
?
?
16
1.5
?
3
ms
μ s
Time between PWM enable and when LED
EN/PWM High to LED-On Delay
t dPWM(on)
current reaches 90% of maximum;
V PWM = 0 → 2 V
?
250
500
ns
Time between PWM enable going low
EN/PWM Low to LED-Off Delay
t dPWM(off)
and when LED current reaches 10% of
maximum; V PWM = 2 → 0 V
?
250
500
ns
Thermal Protection (TSD)
Thermal Shutdown Threshold 2
Thermal Shutdown Hysteresis 2
T TSD
T TSDHYS
Temperature rising
?
?
165
20
?
?
oC
oC
1 For
input and output current specifications, negative current is defined as coming out of the node or pin (sourcing), and positive current is defined as
going into the node or pin (sinking).
ˉˉˉˉ Lˉˉ
2 Ensured by design and characterization, not production tested.
3 F A U ˉˉ T pin is high voltage tolerant
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A8513KLYTR-1-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver |
| A8513KLYTR-2-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver |
| A8513KLYTR-3-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver |
| A8513KLYTR-T | 功能描述:IC LED DRVR AUTO BCKLGHT 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 特色产品:LM3445 TRIAC Dimmable LED Driver 标准包装:55 系列:PowerWise® 恒定电流:是 恒定电压:- 拓扑:PWM，降压（降压） 输出数:1 内部驱动器:无 类型 - 主要:- 类型 - 次要:高亮度 LED（HBLED） 频率:30kHz ~ 1MHz 电源电压:8 V ~ 12 V 输出电压:- 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOICN 包装:管件 工作温度:-40°C ~ 125°C 产品目录页面:1285 (CN2011-ZH PDF) 其它名称:LM3445M |
| A8514 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A8514 is a multi-output white LED driver for small-size LCD backlighting. |
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