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| 型号： | MAX6349ZPUT-T |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V/ADJ .15A SOT23-6 |
| 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： | 2.5V，1.23 V ~ 5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.3V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小） |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
150mA, SOT23, Low Dropout Linear Regulators
with Internal Microprocessor Reset Circuit
Capacitor Selection and
Regulator Stability
For stable operation over the full temperature range
and with load currents up to 150mA, use a 1μF (min)
output capacitor. To reduce noise and improve load
transient response, stability, and power-supply rejec-
tion, use large output capacitor values such as 10μF.
Note that some ceramic dielectrics exhibit large capac-
itance and ESR variation with temperature. With
dielectrics such as Z5U and Y5V, it may be necessary
to use 2.2μF or more to ensure stability at temperatures
below -10 ° C. With X7R or X5R dielectrics, 1μF should
be sufficient at all operating temperatures. A graph of
the Region of Stable C OUT ESR vs. Load Current is
shown in the Typical Operating Characteristics .
To improve power-supply rejection and transient
response use a 1μF capacitor between IN and GND.
Input-Output (Dropout) Voltage
A regulator ’ s minimum input-output voltage differential
(or dropout voltage) determines the lowest useable
supply voltage. In battery powered systems, this will
determine the useful end-of-life battery voltage. Since
the MAX6329/MAX6349 use a P-channel MOSFET pass
transistor, their dropout voltage is a function of R DS(ON)
multiplied by the load current (see Electrical
Characteristics ).
Negative Going OUT Transients
These supervisors are relatively immune to short-dura-
tion, negative going OUT transients. The Typical
Typical Operating Circuit
2.5V TO 5.5V
Operating Characteristics section shows a graph of the
Maximum Transient Duration vs. Reset Threshold
Overdrive for which reset is not asserted. The graph
was produced using negative going OUT transients
starting at OUT and ending below the reset threshold
by the magnitude indicated (Reset Threshold
Overdrive). The graph shows the maximum pulse width
that a negative going OUT transient can typically have
without triggering a reset pulse. As the amplitude of the
transient increases (i.e., goes further below the reset
threshold), the maximum allowable pulse width
decreases. Typically, an OUT transient that goes only
10mV below the reset threshold and lasts for 75μs will
not trigger a reset pulse.
Chip Information
TRANSISTOR COUNT: 800
PROCESS: BiCMOS
SHDN
IN
MAX6329
OUT
1 μ F
V CC
μ P
SET
RESET
RESET
GND
GND
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX634C/D | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX634CPA | 功能描述:直流/直流开关调节器 CMOS uPower Invert Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX634CPA+ | 功能描述:直流/直流开关调节器 CMOS uPower Invert Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX634CPA-2 | 制造商:Maxim Integrated Products 功能描述: |
| MAX634CSA | 功能描述:直流/直流开关调节器 CMOS uPower Invert Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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