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参数资料
| 型号： | A8513KLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/25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 Valid at V IN = 16 V, T A = 25oC, indicates specifications guaranteed through the full
operating temperature range with T A = T J = –40oC to125 oC, typical specifications are at T A = 25oC; unless otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input Voltage Specifications
Operating Input Voltage Range
V IN
4.5
?
40
V
VIN Pin UVLO Start Threshold
VIN Pin UVLO Stop Threshold
VIN Pin UVLO Hysteresis
V UVLOrise
V UVLOfall
V UVLOhys
V IN rising
V IN falling
?
?
?
?
?
450
4.35
3.90
?
V
V
mV
Input Current
Input Quiescent Current
Input Sleep Supply Current
I Q
I QSLEEP
EN/PWM = V IH , SW = 2 MHz, no load
VIN = 16 V, EN/PWM = 0 V
?
?
5
1
?
10
mA
μ A
Input Logic Levels (EN/PWM and ˉFˉ ˉA ˉ ˉUˉˉLˉ ˉTˉ 3 )
Input logic Level (Low)
Input logic Level (High)
EN/PWM Pull-Down Resistor
ˉFˉ ˉA ˉ ˉUˉˉLˉ ˉTˉ Pin Pull-Down Voltage
ˉFˉ ˉA ˉ ˉUˉˉLˉ ˉTˉ Pin Leakage Current
V IL
V IH
R EN/PWM
V FAULT
I FAULTlkg
5 V < V IN < 40 V
5 V < V IN < 40 V
EN/PWM = 5 V
I FAULT = 0.5 mA
V FAULT = 5 V
?
1.5
?
?
?
?
?
100
?
?
400
?
?
0.4
1
mV
V
k Ω
V
μ A
Error Amplifier
Open Loop Voltage Gain
A VOL
?
45
?
dB
Transconductance
Source Current
Sink Current
Source Current During Soft Start 2
COMP Pin Pull-Down Resistance
g m
I EA(SRC)
I EA(SINK)
I EA(SS)
R COMP
Δ I COMP = ±10 μ A
V COMP = 1.5 V
V COMP = 1.5 V
V COMP = 1.5 V
ˉFˉ ˉA ˉ ˉUˉˉLˉ ˉTˉ asserted
?
?
I EA(SINK)
?
?
990
–360
360
–80
2000
?
?
?
?
?
μ A/V
μ A
μ A
μ A
Ω
Output Overvoltage Protection
Overvoltage Protection Threshold
OVP Pin Leakage Current
OVP Pin Undervoltage Threshold
Secondary Overvoltage Protection
V OVPHI(th)
I OVPH
V UVP(th)
V OVP(sec)
Measured at OVP Pin
Standard CMOS input, measured at
V OVP = 1.2 V
Measured at OVP Pin
Measured at SW Pin
1.168
?
?
53
1.218
?
?
55.5
1.268
100
110
58
V
nA
mV
V
BOOST Switch
Switch On-Resistance
Switch Leakage Current
Switch Current Limit
Secondary Switch Current Limit
Minimum Switch On-Time
R DS(on)SW
I SWlkg
I SW(LIM)
I SW(LIM2)
t SW(ON)
I SW = 750 mA, V IN = 16 V
V SW = 16 V, EN/PWM = V IL , T A = T J
between –40oC and 85oC
V SW = 16 V, EN/PWM = V IL , T A = T J = 125oC
Higher than I SW(LIM) (max) in all conditions,
A8513 latches when detected
?
?
?
1.9
3
?
450
0.1
10
2.2
3.5
75
800
1
?
2.8
4.64
100
m Ω
uA
uA
A
A
ns
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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| 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 |
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| 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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