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| 型号： | MAX882CSA |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/17页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V/ADJ .2A 8SOIC |
| 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： | 3.3V，1.25 V ~ 11 V |
| 输入电压： | 2.7 V ~ 11.5 V |
| 电压 - 压降（标准）： | 0.32V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA |
| 工作温度： | 0°C ~ 70°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 |
| 其它名称： | 154784 Q1154784 |
5V/3.3V or Adjustable, Low-Dropout,
Low I Q , 200mA Linear Regulators
IN
LBI
LBO
N
LOW-BATTERY
COMPARATOR
MOSFET DRIVER
WITH FOLDBACK
CURRENT LIMIT
P
REVERSE-
CURRENT
PROTECTION
ERROR AMP
SHUT-
OFF
(STBY)
DOWN
LOGIC
1.20V
OUT
REFERENCE
THERMAL
SENSOR
GND
( ) ARE FOR MAX882.
Figure 1. MAX882/MAX883/MAX884 Functional Diagram
DUAL-MODE
COMPARATOR
65mV
R1
R2
SET
V OUT = V SET ? 1 +
?
R 2 ?
In adjustable mode, the user selects an output voltage
in the 1.25V to 11V range by connecting two external
resistors, used as a voltage-divider, to the SET pin
(Figure 2).
The output voltage is set by the following equation:
? R 1 ?
?
where V SET = 1.20V.
To simplify resistor selection:
Standby Mode (MAX882)
The MAX882 has a standby feature that disconnects
the input from the output when STBY is brought low, but
keeps all other circuitry awake. In this mode, V OUT
drops to 0, and the internal biasing circuitry (including
the low-battery comparator) remains on. The maximum
quiescent current during standby is 15μA. STBY is a
comparator input with the other input internally tied to
the reference voltage. Use a resistor network as shown
in Figure 3 to set a standby-mode threshold voltage for
undervoltage lockout. Connect STBY to IN for normal
R1 = R2 ? OUT ? 1 ?
? V ?
? V SET ?
operation.
OFF Mode (MAX883/MAX884)
Since the input bias current at SET is nominally zero,
large resistance values can be used for R1 and R2 to
minimize power consumption without losing accuracy.
Up to 1.5M ? is acceptable for R2. Since the V SET toler-
ance is less than ±40mV, the output can be set using
fixed resistors instead of trim pots.
A low-logic input on the OFF pin shuts down the
MAX883/MAX884. In this mode, the pass transistor,
control circuit, reference, and all biases are turned off,
and the supply current is reduced to less than 1μA.
LBO is undefined in OFF mode. Connect OFF to IN for
normal operation.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX882CSA+ | 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear 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 |
| MAX882CSA+T | 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear 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 |
| MAX882CSA-T | 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear 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 |
| MAX882CSA-TG074 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX882EPA | 功能描述:低压差稳压器 - LDO 5/3.3/AdjV 200mA Linear 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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