参数资料
型号: MAX16807AUI+T
厂商: Maxim Integrated
文件页数: 7/19页
文件大小: 0K
描述: IC LED DRVR WT/RGB BCKLT 28TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
恒定电流:
拓扑: 开路漏极,PWM,降压(降压),SEPIC,升压(升压)
输出数: 8
内部驱动器:
类型 - 主要: 背光
类型 - 次要: RGB,白色 LED
频率: 20kHz ~ 1MHz
电源电压: 8 V ~ 26.5 V
输出电压: 36V
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
Integrated 8-Channel LED Driver with
Switch-Mode Boost and SEPIC Controller
Typical Operating Characteristics
(V CC = +15V, V+ = 3V to 5.5V, R T = 10k ? , C T = 3.3nF, V REF = COMP = open, C REF = 0.1μF, V FB = 2V, V CS = V AGND = V PGND = 0V.
Typical values are at T A = +25°C, unless otherwise noted.)
OPERATING SUPPLY CURRENT
STARTUP CURRENT
vs. TEMPERATURE AFTER STARTUP
BOOTSTRAP UVLO vs. TEMPERATURE
vs. TEMPERATURE
(f OSC = f SW = 300kHz)
10
9
V CC RISING
41
39
V CC = 7.5V
5.1
4.9
C T = 560pF
8
7
6
5
4
V CC FALLING
37
35
33
31
4.7
4.5
4.3
4.1
3
2
1
HYSTERESIS
29
27
3.9
3.7
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
REFERENCE VOLTAGE
vs. TEMPERATURE
25
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
REFERENCE VOLTAGE
vs. REFERENCE LOAD CURRENT
3.5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
5.08
5.06
5.05
5.00
5.000
4.998
I REF = 1mA
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
I REF = 1mA
I REF = 20mA
4.95
4.90
4.85
4.80
4.75
4.70
4.65
4.996
4.994
4.992
4.990
4.988
4.986
4.984
4.982
4.980
-40 -25 -10 5 20 35 50 65 80 95 110 125
0
10
20
30
40
50
60
70
10
12
14
16
18
20
22
24
26
TEMPERATURE ( ° C)
OSCILLATOR FREQUENCY (f OSC )
vs. TEMPERATURE
I REF (mA)
OSCILLATOR R T /C T DISCHARGE CURRENT
vs. TEMPERATURE
V CC (V)
CURRENT-SENSE TRIP THRESHOLD
vs. TEMPERATURE
550
540
R T = 3.65k ?
C T = 560pF
8.04
8.02
V RT/CT = 2V
0.40
0.38
530
520
510
500
490
480
470
460
450
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
8.00
7.98
7.96
7.94
7.92
7.90
7.88
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
0.36
0.34
0.32
0.30
0.28
0.26
0.24
0.22
0.20
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
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7
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