参数资料
型号: MAX16816ATJ+T
厂商: Maxim Integrated
文件页数: 4/33页
文件大小: 0K
描述: IC LED DRIVR HIGH BRIGHT 32-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 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
类型 - 次要: 高亮度 LED(HBLED)
频率: 125kHz ~ 500kHz
电源电压: 5.5 V ~ 76 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(5x5)
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
Programmable Switch-Mode LED Driver
with Analog-Controlled PWM Dimming
ELECTRICAL CHARACTERISTICS (continued)
(V CC = V UVEN = 14V, C REG1 = 1μF, C REG2 = 1μF, C CLMP = 0.1μF, R T = 25k Ω , T A = T J = -40°C to +125°C, unless otherwise noted.
Typical specifications are at T A = +25°C.)
PARAMETER
Driver Output Impedance
Peak Sink Current
Peak Source Current
SYMBOL
Z OUT_L
Z OUT_H
I SK
I SR
CONDITIONS
V DRI = 7.0V, DRV sinking 250mA
V DRI = 7.0V, DRV sourcing 250mA
V DRI = 7.0V
V DRI = 7.0V
MIN
TYP
2.8
5.0
2.5
1.4
MAX
4
8
UNITS
Ω
A
A
PWM, ILIM, AND HICCUP COMPARATOR
PWM Comparator Offset
Voltage
V COMP - (V SNS+ -V SNS- )
0.8
V
Peak Current-Limit
Comparator Trip Threshold
160
200
245
mV
Peak Current-Limit
Comparator Propagation
Delay (Excluding Blanking
50mV overdrive
40
ns
Time)
HICCUP Comparator Trip
Threshold
235
300
385
mV
SNS+ Input Bias Current
SNS- Input Bias Current
V SNS+ = 0V, V SNS- = 0V
V SNS+ = 0V, V SNS- = 0V
-100
-100
-65
-65
μA
μA
BLANKING TIME
Blanking Time Control Register is ‘00’
150
Blanking Time
Blanking Time Control Register is ‘01’
Blanking Time Control Register is ‘10’
Blanking Time Control Register is ‘11’
125
100
75
ns
ERROR AMPLIFIER
FB Input Bias Current
EAMP Output Sink Current
EAMP Output Source Current
V FB = 1V
V FB = 1.735V, V COMP = 1V
V FB = 0.735V, V COMP = 1V
-100
3
2
7
7
+100
nA
mA
mA
EAMP Input Common-Mode
Voltage
EAMP Output Clamp Voltage
Voltage Gain
Unity-Gain Bandwidth
V COM
A V
GBW
(Note 5)
R COMP = 100k Ω to AGND
R COMP = 100k Ω to AGND, C COMP = 100pF
to AGND
0
1.3
2.0
80
0.5
1.6
2.7
V
V
dB
MHz
OSCILLATOR, OSC SYNC, CLK, AND CLKOUT
SYNC Frequency Range
f SW_MIN
f SW_MAX
500
125
kHz
RTSYNC Oscillator Frequency
RTOF bit set to ‘0’, R T = 100k Ω
RTOF bit set to ‘0’, R T = 25k Ω
106
475
125
500
143
525
kHz
SYNC High-Level Voltage
SYNC Low-Level Voltage
V SIHL
V SILL
2.8
0.4
V
V
4
_______________________________________________________________________________________
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