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参数资料
| 型号： | MAX5084ATT+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ .2A 6-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 5V，2.54 V ~ 11 V |
| 输入电压： | 6.5 V ~ 65 V |
| 电压 - 压降（标准）： | 0.9V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WDFN 裸露焊盘 |
| 供应商设备封装： | 6-TDFN 裸露焊盘（3x3） |
| 包装： | 带卷 (TR) |
65V, 200mA, Low-Quiescent-Current
Linear Regulators in TDFN
V IN = 6.5V
TO 65V
10 μ F
IN
OUT
10 μ F
V OUT = 2.5V TO 11V
(200mA)
2.4
2.2
2.0
1.8
MAXIMUM POWER
MAX5084
LOAD
1.6
1.905W
EN
MAX5085
OUT_SENSE
R1
1.4
1.2
1.0
DERATE
23.8mW/ ° C
0.8
GND
SET
R2
0.6
0.4
0.2
0
-40 -20
0
20
40
60
80 100 120 140
TEMPERATURE ( ° C)
P D = ?
? 1 . 905 W – 0 . 0238 W / ° C x ( T A ? 70 ° C ) for + 70 ° C < T A ≤ + 125 ° C ?
IOUT ( MAX ) =
= 172 mA
Figure 2. Adjustable Output Voltage Operation
Use Figure 3 to determine the allowable package dissi-
pation for a given ambient temperature. Alternately, use
the following formula to calculate the allowable pack-
age dissipation:
? 1 . 905 W for T A ≤ + 70 ° C ?
?
After determining the allowable package dissipation,
calculate the maximum output current using the follow-
ing formula:
Figure 3. Calculated Maximum Power Dissipation vs.
Temperature
Find the maximum allowable output current. First calcu-
late package dissipation at the given temperature as
follows:
P D = 1.905W – 0.0238W/°C (85°C – 70°C) = 1.548W
Then determine the maximum output current:
1 . 548 W
14 V ? 5 V
Example 2:
I OUT(MAX) =
P D
V IN – V OUT
≤ 2 0 0m A
T A = +125°C
V IN = 14V
V OUT = 3.3V
The above equations do not include the negligible
power dissipation from self-heating due to the device’s
ground current.
Example 1:
Calculate package dissipation at the given temperature
as follows:
P D = 1.905W – 0.0238W/°C (125°C – 70°C) = 596mW
And establish the maximum output current:
T A = +85°C
V IN = 14V
V OUT = 5V
I OUT ( MAX ) =
596 mW
14 V ? 3 . 3 V
= 56 mA
Example 3:
T A = +50°C
V IN = 9V
V OUT = 5V
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5085ATT+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 2.54V TO 11V/5V/3.3V 0.2A 6TDFN EP - Rail/Tube |
| MAX5085ATT+T | 功能描述:线性稳压器 - 标准 65V 200mA Low-Q 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 |
| MAX5086_08 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:45V, 250mA, Low-Quiescent-Current Linear Regulator with Adjustable Reset Delay |
| MAX5086AATE | 功能描述:线性稳压器 - 标准 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 |
| MAX5086AATE/V+ | 功能描述:线性稳压器 - 标准 65V 200mA Low-Q 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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