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参数资料
| 型号： | MAX16826ATJ+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/26页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR HB PROGR 32TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 恒定电流： | 是 |
| 拓扑： | PWM，SEPIC，升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 高亮度 LED（HBLED），RGB，白色 LED |
| 频率： | 100kHz ~ 1MHz |
| 电源电压： | 4.75 V ~ 24 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 125°C |
MAX16826
Programmable, Four-String HB LED Driver with
Output-Voltage Optimization and Fault Detection
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V, R19 = 2k Ω , C33 = 2200pF, R17 = 1.27k Ω , C DL_ = 0.01μF, T J = -40°C to +125°C, unless otherwise noted. Typical values
are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC (DR1–DR4, OVP)
Maximum Error
ADC Single Bit Acquisition
Latency
DR Channel Sample Time
OVP Channel Sample Time
E MAX
t DR,SMPL
t OVP,SMPL
(Note 4)
2
190
20
±50
mV
μs
ms
μs
Full-Scale Input Voltage
Least Significant Bit
V FS
V LSB
1.215
1.24
9.76
1.2550
V
mV
DR Input Bias Current
I DR
0V < V DR_ < 5.5V
-100
0
+100
nA
DRAIN FAULT COMPARATORS (DR1–DR4) (Shorted LED String Comparator)
Drain Fault Comparator
Threshold
Drain Fault Comparator Delay
V DFTH
t DFD
Voltage to drive DL1–DL4 low
10mV overdrive
1.4
1.52
1
1.63
V
μs
LINEAR REGULATORS (DL1–DL4, CS1–CS4)
Transconductance
Maximum Output Current
Gm
I DL
Δ I = -500μA
Sourcing or sinking
75
15
mS
mA
CS1–CS4 Input Bias Current
CS1–CS4 Regulation Voltage
Maximum
CS1–CS4 Regulation Voltage
Minimum
CS1–CS4 Regulation Voltage LSB
I CS
V CS,MAX
V CS,MIN
V CS,LSB
0V < V CS < 5.5V
CS_ = DL_, FB DAC full scale;
MAX16826 only
CS_ = DL_, FB DAC full scale;
MAX16826B only
CS_ = DL_, FB DAC minus full scale;
MAX16826 only
CS_ = DL_, FB DAC minus full scale;
MAX16826B only
CS_ = DL_, FB DAC 1-bit transition
-100
306
308
90
90
0
316
318
97
99
1.72
+100
324
328
105
109
nA
mV
mV
mV
Note 1: All devices are 100% production tested at T J = +25°C and T J = +125°C. Limits to -40°C are guaranteed by design.
Note 2: I CC includes the internal bias currents and the current used by the gate drivers to drive DL, DL1, DL2, DL3, and DL4.
Note 3: Minimum frequency to allow the internal ADC to complete at least one measurement. t ON is the on-time with the LED current
in regulation.
Note 4: Minimum LED current pulse duration, which is required to correctly acquire 1 bit.
Maxim Integrated
5
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相关代理商/技术参数 |
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|---|---|
| MAX16826ATJ/V+ | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE, FOUR-STRING HB LED DRIVER WITH OUTPUT-VOLTAGE - Rail/Tube |
| MAX16826ATJ/V+T | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE, FOUR-STRING HB LED DRIVER WITH OUTPUT-VOLTAGE - Tape and Reel |
| MAX16826ATJ/VY+ | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE, FOUR-STRING HB LED DRIVER WITH OUTPUT-VOLTAGE - Rail/Tube |
| MAX16826ATJ/VY+T | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE, FOUR-STRING HB LED DRIVER WITH OUTPUT-VOLTAGE - Tape and Reel |
| MAX16826ATJ+ | 功能描述:LED照明驱动器 Prog 4-String HB RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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