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参数资料
| 型号： | MAX6476TA18AD3+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V/ADJ .3A 8-TDFN |
| 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： | 1.8V，1.25 V ~ 5.5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小） |
| 电流 - 限制（最小）： | 450mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
MAX6469/MAX6470/MAX6477/MAX6478 Pin Description
PIN
BUMP
MAX6469/MAX6470
SOT23
TDFN-EP
MAX6477/MAX6478
UCSP
NAME
FUNCTION
1
2
3
1, 2
3
4
A1
A2
A3
IN
GND
SHDN
Regulator Input. Bypass IN to GND with a 0.1μF capacitor.
Ground. This pin also functions as a heatsink. Solder to large pads or
the circuit-board ground plane to maximize thermal dissipation.
Active-Low Shutdown Input. Connect SHDN to V IN for normal operation.
Active-Low Reset Output. RESET remains low while V OUT is below the
4
5
C3
RESET
reset threshold. RESET remains low for the duration of the reset timeout
period after the reset conditions are terminated. RESET is available in
open-drain and push-pull configurations.
Feedback Input for Externally Setting the Output Voltage. Connect SET
5
6
C2
SET
to GND to select the preset output voltage. Connect SET to an external
resistor-divider network for adjustable output operation.
6
7, 8
C1
OUT
Regulator Output. Bypass OUT to GND with a minimum 3.3μF low-ESR
capacitor.
Exposed Paddle (TDFN Only). EP is internally connected to GND.
—
—
—
EP
Connect EP to the ground plane to provide a low thermal-resistance
path from the IC junction to the PCB. Do not use as the electrical
connection to GND.
MAX6471/MAX6472/MAX6479/MAX6480 Pin Description
PIN
BUMP
MAX6471/MAX6472
SOT23
TDFN-EP
MAX6479/MAX6480
UCSP
NAME
FUNCTION
1
2
1, 2
3
A1
A2
IN
GND
Regulator Input. Bypass IN to GND with a 0.1μF capacitor.
Ground. This pin also functions as a heatsink. Solder to large pads or
the circuit-board ground plane to maximize thermal dissipation.
Active-Low Manual Reset Input. The reset output is asserted while MR
is pulled low and remains asserted for the duration of the reset timeout
3
4
A3
MR
period after MR transitions from low to high. Leave MR unconnected or
connect to V OUT if not used. MR has an internal pullup resistor of 40k ?
(typ) to V OUT .
Active-Low Reset Output. RESET remains low while V OUT is below the
reset threshold or while MR is held low. RESET remains low for the
4
5
C3
RESET
duration of the reset timeout period after the reset conditions are
terminated. RESET is available in open-drain and push-pull
configurations.
Feedback Input for Externally Setting the Output Voltage. Connect SET
5
6
C2
SET
to GND to select the preset output voltage. Connect SET to an external
resistor-divider network for adjustable output operation.
6
7, 8
C1
OUT
Regulator Output. Bypass OUT to GND with a minimum 3.3μF low-ESR
capacitor.
Exposed Paddle (TDFN Only). EP is internally connected to GND.
—
—
—
EP
Connect EP to the ground plane to provide a low thermal-resistance
path from the IC junction to the PCB. Do not use as the electrical
connection to GND.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6476TA18AD4+T | 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 |
| MAX6476TA18AD4-T | 功能描述:低压差稳压器 - LDO 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit 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 |
| MAX6476TA18BD1+T | 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 |
| MAX6476TA18BD1-T | 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 |
| MAX6476TA18BD2+T | 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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