参数资料
型号: MAX16818ETI+T
厂商: Maxim Integrated
文件页数: 4/25页
文件大小: 0K
描述: IC LED DRIVR PWM CONTROL 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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: 带卷 (TR)
工作温度: -40°C ~ 85°C
1.5MHz, 30A High-Efficiency, LED Driver
with Rapid LED Current Pulsing
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 5V, V DD = V CC , T A = T J = T MIN to T MAX , unless otherwise noted. Typical specifications are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Load Capacitance
50
pF
V_IOUT Output to I OUT Transfer
Function
R SENSE = 1m ? , 100mV ≤ V_ IOUT ≤ 5.5V
132.3
135
137.7
mV/A
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
I B(EA)
V EAN = 2.0V
-0.2
+0.03
+0.2
μA
Error Amplifier Output Clamping
Voltage
V CLAMP(EA) With respect to V CM
883
930
976
mV
POWER-GOOD AND OVERVOLTAGE PROTECTION
PGOOD Trip Level
PGOOD Output Low Level
PGOOD Output Leakage Current
OVI Trip Threshold
V UV
V PGLO
I PG
OVP TH
PGOOD goes low when V OUT is below this
threshold
I SINK = 4mA
PGOOD = V CC
With respect to SGND
87.5
1.244
90
1.276
92.5
0.4
1
1.308
%V OUT
V
μA
V
OVI Input Bias Current
I OVI
0.2
μA
ENABLE INPUT
EN Input High Voltage
V EN
EN rising
2.437
2.5
2.562
V
EN Input Hysteresis
0.28
V
EN Pullup Current
I EN
13.5
15
16.5
μA
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
Temperature rising
150
30
°C
°C
Note 1: Specifications at T A = +25°C are 100% tested. Specifications over the temperature range are guaranteed by design.
Note 2: Does not include an error due to finite error amplifier gain. See the Voltage-Error Amplifier (EAOUT) section.
4
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