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参数资料
| 型号： | MAX8830EWE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/16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： | 是 |
| 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
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, V GND = V PGND = 0V, V DD = 3.0V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SCL High Period
Setup Time Repeated START Condition
SDA Hold Time
SDA Setup Time
Setup Time for STOP Condition
t HIGH
t SU_STA
t HD_DAT
t SU_DAT
t SU_STO
DESCRIPTION
MIN
0.6
0.6
0
100
0.6
TYP
0.2
0.1
-0.01
50
0.1
MAX
UNITS
μs
μs
μs
ns
μs
STEP-UP DC-DC CONVERTER
IN Supply Current
OUT Voltage Range
1MHz switching, V OUT = 5V (see Note 4)
100mV steps
3.8
5.5
10.0
5.2
mA
V
OUT Voltage Accuracy
I OUT = 100mA
T A = +25°C
T A = +85°C
-1.5
-3
±0.3
+1.5
+3
%
Line Regulation
Load Regulation
V IN = 2.7V to 4.2V
I OUT = 0 to 400mA
0.1
0.5
%/V
%/A
Maximum OUT Current
nFET Current Limit
LX nFET On-Resistance
LX pFET On-Resistance
V IN ≥ 3.2V, V OUT = 5.0V
LX to PGND, I LX = 100mA
LX to OUT, I LX = 100mA
400
700
2.2
0.1
0.15
mA
A
Ω
Ω
LX Leakage
Operating Frequency
Maximum Duty Cycle
Minimum Duty Cycle
V LX = 5.5V
T A = -40°C to +85°C
T A = +25°C
T A = +85°C
0.75
65
0.1
1
1.00
75
4
5
1.25
8
μA
MHz
%
%
COMP Transconductance
COMP Discharge Resistance
OUT Discharge Resistance
V COMP = 1.5V
During shutdown or UVLO, from COMP to GND
During shutdown or UVLO, from OUT to IN
60
180
10
μS
Ω
k Ω
FLED CURRENT SINK DRIVER
IN Supply Current
Maximum Current Setting
Step-up off, FLED on
Flash (enabled by FLEN)
Movie (enabled by MVON or I 2 C)
0.35
320
160
0.6
mA
mA
Current Accuracy
50mA setting, Movie
T A = +25°C
T A = -40°C to +85°C
-3.0
-5
±0.5
+3.0
+5
%
Current-Regulator Dropout
50mA setting (Note 2)
75
mV
FLED Leakage in Shutdown
Flash Duration Timer Range
Open-LED Detection Threshold
Shorted-LED Detection Threshold
T A = +25°C
T A = +85°C
In 500ms steps (Note 3)
FLED enabled
FLED enabled
0.5
0.01
0.1
100
V OUT -
1V
5
2.0
μA
s
mV
V
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