参数资料
型号: MAX16821CATI+
厂商: Maxim Integrated
文件页数: 4/24页
文件大小: 0K
描述: IC LED DRIVR HIGH BRIGHT 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
拓扑: 高端,低端,PWM,SEPIC,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载,背光
类型 - 次要: 高亮度 LED(HBLED)
频率: 125kHz ~ 1.5MHz
电源电压: 4.75 V ~ 5.5 V,7 V ~ 28 V
输出电压: 5.1V
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
工作温度: -40°C ~ 125°C
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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