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参数资料
| 型号： | MAX1658ESA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 350mA, 16.5V Input, Low-Dropout Linear Regulators |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PDSO8 |
| 封装： | 0.150 INCH, SOIC-8 |
| 文件页数： | 9/12页 |
| 文件大小： | 111K |
| 代理商： | MAX1658ESA |
__________Applic ations Information
Output Capac itor S elec tion and S tability
To maintain stability, connect a
≥
10μF capacitor with
less than 200m
equivalent series resistance (ESR)
from OUT to GND. Larger output capacitors improve
load-transient response. Currents lower than 350mA
make the use of smaller output capacitors possible.
Table 1 shows the maximum output current typically
achieved using various output capacitors. Output volt-
ages higher than 3.3V require less output capacitance
to remain stable.
Table 1. Typical Load Current Capabilities
Input Bypass Capac itor
The use of a 0.1μF to 10μF input bypass capacitor is
recommended. Larger capacitors provide better sup-
ply-noise rejection and line-transient response, as well
as improved performance when the supply has a high
AC impedance. Polarized input bypass capacitors will
be damaged under reverse battery conditions. If
reverse input voltages are expected, use a non-polar-
ized capacitor at the input.
Noise and PS RR
The MAX1658/MAX1659 exhibit 2.5mVp-p of noise dur-
ing normal operation. This noise level is negligible in
most applications.
The MAX1658/MAX1659 are designed to maintain
excellent power-supply rejection (55dB) at 50Hz/60Hz
(or 50dB at 120Hz). These regulators are ideal for wall-
cube applications that may contain significant ripple.
Larger input and output capacitors will further improve
the circuit’s AC response. See the Power-Supply
Rejection Ratio vs. Frequency graphs in the Typical
Operating Characteristics.
M
350mA, 16.5V Input,
Low-Dropout Linear Regulators
_______________________________________________________________________________________
9
OUTPUT CAPACITOR
0mA to 120mA
2.2μF tantalum
LOAD CURRENT RANGE
0mA to 250mA
4.7μF tantalum
0mA to 350mA
10μF tantalum
___________________Chip Information
TRANSISTOR COUNT: 207
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1658ESA+ | 功能描述:低压差稳压器 - LDO 350mA 16.5V 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 |
| MAX1658ESA+T | 功能描述:低压差稳压器 - LDO 350mA 16.5V 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 |
| MAX1658ESA-T | 功能描述:低压差稳压器 - LDO 350mA 16.5V 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 |
| MAX1659C/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 |
| MAX1659C/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 |
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