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参数资料
| 型号： | MAX16826ATJ+C24 |
| 厂商： | Maxim Integrated |
| 文件页数： | 4/26页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR HB PROGR 32-HQFN |
| 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
ERROR AMPLIFIER (FB, COMP)
Open-Loop Gain
Unity-Gain Bandwidth
Phase Margin
A OL
BW
PM
80
2
65
dB
MHz
Degrees
Error-Amplifier Output Current
I COMP
Sourcing, V COMP = 3V
Sinking, V COMP = 2V
1.9
0.9
mA
COMP Clamp Voltage
COMP Short-Circuit Current
V COMP
I COMP_SC
V FB = 0V
3.25
12
4.5
V
mA
PWM CURRENT LIMIT (CS)
Cycle-by-Cycle Current-Limit
Threshold
Cycle-by-Cycle Current-Limit
Propagation Time To DL
Gross Current-Limit Threshold
Gross Current-Limit Propagation
Time To DL
Input Bias Current
V CL
t PROP, CL
V GCL
t PROP,GCL
V DL = 0V
10mV overdrive
V CSS = 0V
10mV overdrive
0V < V CS < 5.5V
187
250
-100
200
80
270
80
0
217
280
+100
mV
ns
mV
ns
nA
PWM OSCILLATOR (RTCT)
RTCT Voltage Ramp (Peak to
Peak)
RTCT Voltage Ramp Valley
Discharge Current
Frequency Range
V RAMP
V RAMP_VALLEY
I DIS
f OSC
5.5V < V IN < 24V
5.5V < V IN < 24V
V RTCT = 2V
5.5V < V IN < 24V
1.60
1.11
7.8
100
1.65
1.20
8.4
1.80
1.27
9.1
1000
V
V
mA
kHz
SYNCHRONIZATION (SYNC/ENABLE)
Input Rise/Fall Time
200
ns
Input Frequency Range
100
1000
kHz
Input High Voltage
Input Low Voltage
Input Minimum Pulse Width
1.5
200
0.5
V
V
ns
Input Bias Current
Delay to Shutdown
0V < V SYNC < 5.5V
V SYNC = 0V
-100
13
0
32
+100
65
nA
μs
LED DIMMING (DIM1–DIM4)
Input High Voltage
Input Low Voltage
V DIM,MAX
V DIM,MIN
1.5
0.5
V
V
Minimum Dimming Frequency
f DIM
t ON = 2μs (Note 3)
45
Hz
Input Bias Current
I DIM
0V < V DIM_ < 5.5V
-100
0
+100
nA
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16826BATJ/V+ | 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 |
| MAX16826BATJ/V+T | 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 |
| MAX16826BATJ+ | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE, FOUR-STRING HB LED DRIVER WITH OUTPUT-VOLTAGE - Rail/Tube |
| MAX16826BATJ+T | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE, FOUR-STRING HB LED DRIVER WITH OUTPUT-VOLTAGE - Tape and Reel |
| MAX16826EVKIT+ | 制造商:Maxim Integrated Products 功能描述:EVAL KIT FOR THE MAX16826 - Boxed Product (Development Kits) |
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