参数资料
型号: MAX8834YEWP+T
厂商: Maxim Integrated
文件页数: 9/44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
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 3.6V, V OUT = 3.8V, V DD = 3.0V, T A = +25°C, unless otherwise noted.)
HEAVY-LOAD SWITCHING WAVEFORMS
(MAX 88 34Y)
MAX8834Y/Z toc21
HEAVY-LOAD SWITCHING WAVEFORMS
(MAX 88 34Z)
MAX8834Y/Z toc22
V LX
2V/div
0V
V LX
2V/div
0V
500mA/div
I LX
V OUT = 5V
1.5A
500mA/div
I LX
V OUT = 5V
1.5A
I OUT = 1A
I OUT = 1A
V OUT
AC RIPPLE
400ns/div
GSMB WAVEFORM
MAX8834Y/Z toc23
50mV/div
V OUT
AC RIPPLE
400ns/div
MAXFLASH FUNCTION
MAX8834Y/Z toc24
50mV/div
V IN DROPS
V GSMB
I IN
V OUT = 5V
I LIM = 500mA
I FLED1 = I FLED2 = 515.63mA
t HC_TRM = 80 μ s
2V/div
1A/div
V IN
3.6V
BELOW THE
THRESHOLD
VOLTAGE
3.6V
200mV/div
V IN INCREASES TO
THE THRESHOLD
I FLED1
500mA/div
V OUT = 5V
I FLED1
I FLED1 = 750mA
V LB_TH = 3.0V
200mV/div
I FLED2
500mA/div
0mA
V LB_HYS DISABLED
t TMR_DUR = 50ms
5.02
1ms/div
OUTPUT VOLTAGE LINE REGULATION
(MAX8834Y)
V OUT = 5V
5.02
10ms/div
OUTPUT VOLTAGE LINE REGULATION
(MAX8834Z)
V OUT = 5V
5.01
5.00
I OUT = 16mA
5.01
5.00
I OUT = 16mA
4.99
I OUT = 250mA
4.99
I OUT = 250mA
I OUT = 750mA
I OUT = 750mA
4.98
4.97
4.98
4.97
2.5
3.0
3.5
4.0
4.5
2.5
3.0
3.5
4.0
4.5
Maxim Integrated
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
9
相关PDF资料
PDF描述
EEC31DRYS CONN EDGECARD 62POS DIP .100 SLD
ABC50DRTI-S13 CONN EDGECARD 100POS .100 EXTEND
TAP337K006HSB CAP TANT 330UF 6.3V 10% RADIAL
TAP227K010HSB CAP TANT 220UF 10V 10% RADIAL
GCM06DCMN-S288 CONN EDGECARD 12POS .156 EXTEND
相关代理商/技术参数
参数描述
MAX8834ZEWP+T 功能描述:LED照明驱动器 Adaptive Step-Up Converter RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX8836ZEREEE+T 功能描述:电流型 PWM 控制器 1.2A PWM Step-Down Converter RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14
MAX8836ZEWEEE+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX8836ZEWEEE+T 制造商:Maxim Integrated Products 功能描述:
MAX883C/D 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20