参数资料
型号: MAX8834YEWP+T
厂商: Maxim Integrated
文件页数: 3/44页
文件大小: 0K
描述: IC LED DRIVR BCKLGT FLASH 20-WLP
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),低端,PWM,升压(升压)
输出数: 3
内部驱动器:
类型 - 主要: 闪灯/白光
类型 - 次要: 白色 LED
频率: 1.8MHz ~ 2.2MHz
电源电压: 2.5 V ~ 5.5 V
输出电压: 5.5V
安装类型: 表面贴装
封装/外壳: 20-WFBGA,WLBGA
供应商设备封装: 20-WLP
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
MAX8834Y/MAX8834Z
Adaptive Step-Up Converters
with 1.5A Flash Driver
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, V AGND = V PGND = V FGND = 0V, V DD = 1.8V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at
T A = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Shutdown Leakage Current
IN and V DD in UVLO,
V LED_EN = V GSMB = 0V
T A = +25 ° C
T A = +85 ° C
-1
0.01
0.1
+1
μA
I 2 C INTERFACE
SDA Output Low Voltage
I 2 C Clock Frequency
Bus-Free Time Between STOP
and START
I SDA = 3mA
t BUF
1.3
0.03
0.4
400
V
kHz
μs
Hold Time Repeated START
Condition
SCL Low Period
SCL High Period
Setup Time Repeated START
Condition
SDA Hold Time
SDA Setup Time
Setup Time for STOP Condition
t HD_STA
t LOW
t HIGH
t SU_STA
t HD_DAT
t SU_DAT
t SU_STO
0.6
1.3
0.6
0.6
0
100
0.6
0.1
0.2
0.2
0.1
-0.01
50
0.1
μs
μs
μs
μs
μs
ns
μs
STEP-UP DC-DC CONVERTER
OUT Voltage Range
100mV steps
3.7
5.2
V
OUT Voltage Accuracy
OUT Overvoltage Protection
Adaptive Output Voltage
Regulation Threshold
PGOOD Window Comparator
Line Regulation
Load Regulation
No load, V OUT = 5V
When running in adaptive mode
I FLED1 = I FLED2 = 492.24mA setting, I INDLED = 16mA
V OUT = 5V, in programmable mode
V IN = 2.5V to 4.2V
I OUT = 0mA to 1500mA
-2.75
5.2
-15
±0.5
5.35
150
-12.5
0.1
0.5
+2.75
5.5
-10
%
V
mV
%
%/V
%/A
nFET Current Limit
3.6
A
LX nFET On-Resistance
LX pFET On-Resistance
LX to PGND, I LX = 200mA
LX to OUT, I LX = 200mA
0.055
0.12
0.130
0.200
LX Leakage
Input Current Limit Range During
GSMB Trigger
V LX = 5.5V
T A = +25 ° C
T A = +85 ° C
50
0.1
0.1
1
800
μA
mA
Input Current Limit Step Size
During GSMB Trigger
50
mA
Input Current Limit Accuracy
I ILIM = 100mA, in dropout mode
-15
+15
%
Operating Frequency, No Load
MAX8834Y
MAX8834Z
T A = +25 ° C
T A = -40 ° C to +85 ° C
T A = +25 ° C
T A = -40 ° C to +85 ° C
1.8
1.6
3.6
3.2
2
4
2.2
2.4
4.4
4.8
MHz
Maxim Integrated
3
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