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| 型号： | MAX667ESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ .25A 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 5V，1.3 V ~ 16 V |
| 输入电压： | 3.5 V ~ 16.5 V |
| 电压 - 压降（标准）： | 0.15V @ 250mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1409 (CN2011-ZH PDF) |
+5V/Programmable Low-Dropout
Voltage Regulator
___________________Chip Topography
+5V OUTPUT
0.1V/div
100mA
OUTPUT
CURRENT
10mA
200 μ s/div
Figure 12. Output Response to 10mA/100mA Load Step with
10 μ F Output Capacitor (1.5 Ω ESR)
(PSRR) is therefore not specified. Since the output must
be connected to a 10μF or larger filter capacitor, the
capacitor characteristics dominate the PSRR. Large
values of input and output capacitors reduce the ripple.
In addition, both DD and LBI/LBO can trigger on the
lowest DC component of the ripple, particularly at high
load currents. In the case of the low-battery detector,
the ripple can be effectively filtered out by placing a
OUT
LBI
DD
GND
IN
0.070"
(1.78mm)
SHDN
0.107"
(2.71mm)
LBO
SET
capacitor to ground in parallel with the LBI input pin.
The high resistance values that can be used for the
voltage divider allow relatively small capacitance val-
ues to form an effective lowpass filter at 120Hz. When
power is first applied, however, this filter tends to hold
LBO low longer than normal.
Transient Considerations
The low operating current and gain-bandwidth product
of the internal reference and amplifier result in limited
rejection of fast-step input changes. Negative-going
TRANSISTOR COUNT: 65
SUBSTRATE MUST BE LEFT UNCONNECTED
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages .
steps, which occur in under 100μs, may turn off the out-
put for several milliseconds. An input filter (nominally
10μF) is recommended if input changes greater than
1V and faster than 100μs (other than turn-on or turn-off)
are anticipated. Figure 12 shows the output response to
PACKAGE TYPE
8 PDIP
8 SO
8 CERDIP
PACKAGE CODE
P8-T
S8-4
J8-2
DOCUMENT NO.
a 10mA/100mA instantaneous load step. The relation-
ship between output-capacitor ESR and load-transient
response is explained in the Output Capacitor section.
8
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX667ESA+ | 功能描述:低压差稳压器 - LDO 5V Programmable Voltage Regulator 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 |
| MAX667ESA+T | 功能描述:低压差稳压器 - LDO 5V Programmable Voltage Regulator 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 |
| MAX667ESA-T | 功能描述:低压差稳压器 - LDO 5V Programmable Voltage Regulator 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 |
| MAX667MJA | 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 |
| MAX667MJA/883B | 功能描述:低压差稳压器 - LDO 5V Programmable Voltage Regulator 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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