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参数资料
| 型号： | MAX16910CASA8+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 13/15页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V/5V/ADJ .2A 8SOIC |
| 标准包装： | 100 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 3.3V，5V，可调式 |
| 输入电压： | 3.5 V ~ 30 V |
| 电压 - 压降（标准）： | 0.28V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 供应商设备封装： | 8-SOICN 裸露焊盘 |
| 包装： | 管件 |
MAX16910
200mA, Automotive, Ultra-Low
Quiescent Current, Linear Regulator
After determining the allowable power dissipation, cal-
culate the maximum allowable output current, without
exceeding the +150°C junction temperature, using the
following formula:
Selecting Timeout Capacitor
The reset timeout period is adjustable to accommodate
a variety of microprocessor applications. Adjust the
reset timeout period by connecting a capacitor between
P D
I OUT(MAX) =
V IN ? V OUT
The above equations do not include the negligible power
TIMEOUT and GND.
t RP =
1.25 × C TIMEOUT
I TO
× ( 125 ° C ? 70 =
° C )
= 1.951W ? 0.0244
P D
609mW
dissipation from self-heating due to the device ground
current.
Example 1 (TDFN-EP Package):
T A = +125°C, V IN = 16V, V OUT = 3.3V
Calculate the maximum allowable power dissipation at
the given temperature as follows:
W
° C
And establish the maximum output current:
where t RP is in ms and C TIMEOUT is in nF.
Leave TIMEOUT unconnected to select the internally
fixed timeout period. C TIMEOUT must be a low-leakage
(< 10nA) type capacitor. Ceramic capacitors are recom-
mended; do not use capacitor values lower than 100pF
to avoid the influence of parasitic capacitances.
Exposed Pad
The MAX16910 package features an exposed thermal
pad on its underside that should be used as a heatsink.
This pad lowers the package’s thermal resistance by
providing a direct heat-conduction path from the die
to the PCB. Connect the exposed pad and GND to the
I OUT(MAX)
=
609mW
16V ? 3.3V
? 48mA
system ground using a large pad or ground plane, or
multiple vias to the ground plane layer.
Example 2 (TDFN-EP Package):
T A = +50°C, V IN = 9V, V OUT = 5V
Calculate the maximum allowable power dissipation at
the given temperature as follows:
2.4
2.2
2.0
1.951W
8-PIN TDFN-EP
I OUT(MAX) = = ? I OUT(MAX) SC = 330mA (typ)
=
488mA
I
P D = 1.951W
Find the maximum output current:
1.951W
9V ? 5V
1.8
1.6
1.4
1.2
1.0
1.861W
8-PIN SO-EP
DERATE
23.3mW/°C
DERATE
24.4mW/°C
0.8
In Example 2, the maximum output current is calculated
as 488mA. The allowable output current cannot exceed
the given internal current limit for the device of 330mA
(typ).
0.6
0.4
0.2
0
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
Figure 1. Calculated Maximum Power Dissipation vs. Ambient
Temperature
Maxim Integrated
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16910CASA8/V+ | 功能描述:线性稳压器 - 标准 200mA Ultra-Low Q Current RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX16910CASA8/V+T | 功能描述:线性稳压器 - 标准 200mA Ultra-Low Q Current RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX16910CASA8+ | 功能描述:线性稳压器 - 标准 200mA Linear Reg RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX16910CASA8+T | 功能描述:线性稳压器 - 标准 200mA Linear Reg RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX16910CASA9/V+ | 功能描述:线性稳压器 - 标准 200mA Ultra-Low Q Current RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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