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参数资料
| 型号： | MAX5086AATE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V/ADJ .25A 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 3.3V，2.5 V ~ 11 V |
| 输入电压： | 6.5 V ~ 45 V |
| 电压 - 压降（标准）： | 0.9V @ 250mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 管件 |
45V, 250mA, Low-Quiescent-Current
Linear Regulator with Adjustable Reset Delay
Example 2:
T A = +125°C
V IN = +14V
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
P D = 2 . 666 W ? 0.0333
(125 ° C ? 70 ° C) = 0 . 8345 W
V OUT = +5V
Calculate package dissipation at the given temperature
as follows:
W
° C
And establish the maximum current:
0.30
0.25
0.20
0.15
0.10
V OUT = +5V
T A = +70 ° C
T A = +85 ° C
T A = +125 ° C
I OUT(MAX) =
(0.8345W)
(14V) ? (5V)
= 92 mA
0.05
0
Example 3:
0
5
10
15
20
25
30
35
40
45
T A = +50°C
V IN = +14V
V OUT = +5V
Calculate package dissipation at the given temperature
V IN (V)
Figure 4. Maximum Output Current vs. Input Voltage
as follows:
P D = 2.666W
output capacitor with an ESR < 0.25 Ω . To reduce noise
and improve load-transient response, stability, and
And find the maximum output current:
power-supply rejection, use larger output capacitor val-
ues such as 22μF.
I OUT(MAX) =
(2.666W)
(14V) ? (5V)
= 296 mA ? I OUT(MAX) = 250mA
Some ceramic capacitor dielectrics exhibit large
capacitance and ESR variation with temperature. For
capacitor dielectrics such as Y5V, use 22μF or more
In Example 3, the maximum output current is calculated
as 296mA, however, the maximum output current can-
not exceed 250mA.
Use Figure 4 to quickly determine maximum allowable
output current for selected ambient temperatures.
Output Capacitor Selection and
Regulator Stability
For stable operation over the full temperature range
and with load currents up to 250mA, use a 15μF (min)
to ensure stability at temperatures below -10°C. With
X7R or X5R dielectrics, 15μF should be sufficient at all
operating temperatures. To improve power supply
rejection and transient response, use a minimum 47μF
low ESR capacitor from IN to GND.
Chip Information
TRANSISTOR COUNT: 1386
PROCESS: BiCMOS
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX5086AATE/V+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 |
| MAX5086AATE+ | 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 |
| MAX5086AATE+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 |
| MAX5086AATE-T | 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 |
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