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High-Power Synchronous HBLED
Drivers with Rapid Current Pulsing
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 5V, V DD = V CC , T A = 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
LED CURRENT SIGNAL DIFFERENTIAL VOLTAGE AMPLIFIER (DIFF)
Common-Mode Voltage Range
DIFF Output Voltage
V CMR(DIFF)
V CM
V SENSE+ = V SENSE- = 0V
0
0.6
1.0
V
V
Input Offset Voltage
V OS(DIFF)
MAX16821A
MAX16821B/MAX16821C
MAX16821A
-3.7
-1.5
0.992
1
+3.7
+1.5
1.008
mV
Amplifier Voltage Gain
A V(DIFF)
MAX16821B
5.85
6
6.1
V/V
MAX16821C
MAX16821A, C DIFF = 20pF
18.5
20
1.7
21.5
MHz
3dB Bandwidth
f 3dB
MAX16821B, C DIFF = 20pF
MAX16821C, C DIFF = 20pF
MAX16821A
50
1600
550
100
kHz
SENSE+ to SENSE- Input
Resistance
R VS
MAX16821B
30
60
k ?
OUTV AMPLIFIER
MAX16821C
10
20
Gain-Bandwidth Product
3dB Bandwidth
Output Sink Current
Output Source Current
Maximum Load Capacitance
V OUTV = 2V
V OUTV = 2V
30
80
4
1
50
MHz
MHz
μA
μA
pF
OUTV to (CSP - CSN) Transfer
Function
4mV ≤ C SP - C SN ≤ 32mV
132.5
135
137.7
V/V
Input Offset Voltage
VOLTAGE-ERROR AMPLIFIER (EAOUT)
1
mV
Open-Loop Gain
Unity-Gain Bandwidth
A VOLEA
f GBW
70
3
dB
MHz
EAN Input Bias Current
Error Amplifier Output Clamping
Voltage
I B(EA)
V CLAMP(EA)
V EAN = 2V
With respect to V CM
-0.2
905
+0.03
930
+0.2
940
μA
mV
INPUTS (MODE AND OVI)
MODE Input-Voltage High
MODE Input-Voltage Low
2
0.8
V
V
MODE Pulldown Current
4
5
6
μA
OVI Trip Threshold
OVI Hysteresis
OVI Input Bias Current
OVP TH
OVI HYS
I OVI
V OVI = 1V
1.244
1.276
200
0.2
1.308
V
mV
μA
4
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MAX16821EVKIT+ 制造商:Maxim Integrated Products 功能描述:HIGH-POWER SYNCHRONOUS HBLED DRIVER - Boxed Product (Development Kits)
MAX16822AASA/V+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA/V+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822AASA+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822BASA+ 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822BASA+T 功能描述:LED照明驱动器 2MHz HB w/MOSFET & HSide Crnt Sense 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
MAX16822BEVKIT+ 功能描述:LED 照明开发工具 MAX16822B Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: