参数资料
型号: MAX8830EWE+T
厂商: Maxim Integrated
文件页数: 6/16页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 16-UCSP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 线性(LDO),PWM,升压(升压)
输出数: 5
内部驱动器:
类型 - 主要: 背光,闪灯/白光
类型 - 次要: 白色 LED
频率: 750kHz ~ 1.25MHz
电源电压: 2.7 V ~ 5.5 V
输出电压: 3.8 V ~ 5.2 V
安装类型: 表面贴装
封装/外壳: 16-WLP
供应商设备封装: 16-WLP(2x2)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
LED Light Management IC in
2.5mm x 2.5mm UCSP
Typical Operating Characteristics (continued)
(V IN = 3.6V, V OUT = 3.8V, V DD = 3.0V, circuit of Figure 1, T A = +25°C, unless otherwise noted.)
OSCILLATOR FREQUENCY
LED CURRENT ACCURACY AND MATCHING
1.20
1.15
1.10
vs. INPUT VOLTAGE
3.82
3.81
3.80
3.79
OUTPUT VOLTAGE vs. TEMPERATURE
MAX8830 toc09
V OUT = 3.8V
5.07
5.06
5.05
5.04
0.5
0
-0.5
vs. INPUT VOLTAGE (I LED _ = 10mA)
I LED3
I LED1
3.78
5.03
I LED4
1.05
3.77
3.76
5.02
5.01
-1.0
1.00
0.95
3.75
3.74
V OUT = 5V
5.00
4.99
-1.5
-2.0
I LED2
3.73
4.98
0.90
3.72
4.97
-2.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40 -25 -15 0
10 25 35 50 60 70 85
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
INPUT VOLTAGE (V)
LED CURRENT ACCURACY
vs. TEMPERATURE
TEMPERATURE ( ° C)
FLED CURRENT-REGULATOR
DROPOUT VOLTAGE vs. FLED CURRENT
INPUT VOLTAGE (V)
LED_ CURRENT-REGULATOR
DROPOUT VOLTAGE vs. LED_ CURRENT
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
I LED = 10mA
200
180
160
140
120
100
80
60
40
20
0
50
45
40
35
30
25
20
15
10
5
0
-40
-15
10
35
60
85
0
50
100
150
200
0
2
4
6
8
10
TEMPERATURE ( ° C)
STARTUP WAVEFORMS
FLED CURRENT (mA)
SOFT-START
LED_ CURRENT (mA)
STEP-UP DC/DC IN SUPPLY CURRENT
V IN
MAX8830 toc14
5V/div
V IN
V OUT = 5V
MAX8830 toc15
2V/div
500mV/div
12
10
V IN = 3.6V, TOKO DE2812C-1098AS-100M
10 μ H INDUCTOR
8
5V/div
V OUT
6
2V/div V OUT = 3V
500mV/div
4
V LX
V COMP
2
0
20.0 μ s/div
100ms/div
3.5
4.0
4.5
5.0
5.5
V OUT (V)
6
_______________________________________________________________________________________
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