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参数资料
| 型号： | MAX6478BL33BD2 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 固定／可调正电压单路输出LDO稳压器 |
| 英文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PBGA6 |
| 封装： | 3 X 3 MM, UCSP-6 |
| 文件页数： | 23/24页 |
| 文件大小： | 491K |
| 代理商： | MAX6478BL33BD2 |
MAX6469–MAX6484
300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
8
_______________________________________________________________________________________
MAX6473/MAX6474/MAX6481/MAX6482 Pin Description
PIN
BUMP
MAX6473/MAX6474
MAX6481/MAX6482
SOT23
TDFN
UCSP
NAME
FUNCTION
1
1, 2
A1
IN
Regulator Input. Bypass IN to GND with a 0.1F capacitor.
23
A2
GND
Ground. This pin also functions as a heatsink. Solder to large pads or
the circuit-board ground plane to maximize thermal dissipation.
34
A3
SHDN
Active-Low Shutdown Input. Connect SHDN to VIN for normal operation.
45
C3
RESET
Active-Low Reset Output. RESET remains low while VOUT is below the
reset threshold or while MR is held low. 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.
56
C2
MR
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
period after MR transitions from low to high. Leave MR unconnected or
connect to VOUT if not used. MR has an internal pullup resistor of 40kΩ
(typ) to VOUT.
6
7, 8
C1
OUT
Regulator Output. Bypass OUT to GND with a minimum 3.3F (min)
low-ESR capacitor.
—EP
—
Exposed Paddle. EP is internally connected to GND. 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.
MAX6475/MAX6476/MAX6483/MAX6484 Pin Description
PIN
BUMP
MAX6475/MAX6476
MAX6483/MAX6484
SOT23
TDFN
UCSP
NAME
FUNCTION
1
1, 2
A1
IN
Regulator Input. Bypass IN to GND with a 0.1F capacitor.
23
A2
GND
Ground. This pin also functions as a heatsink. Solder to large pads or
the circuit-board ground plane to maximize thermal dissipation.
34
A3
SHDN
Active-Low Shutdown Input. Connect SHDN to VIN for normal operation.
45
C3
RESET
Active-Low Reset Output. RESET remains low while FB is below the
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.
56
C2
FB
Feedback Input for Linear Regulator Controller or Remote Sense
Applications. Connect FB to the external load (VCC) to obtain the fixed
output voltage.
6
7, 8
C1
OUT
Regulator Output. Bypass OUT to GND with a minimum 3.3F low-ESR
capacitor.
—EP
—
Exposed Paddle. EP is internally connected to GND. 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 |
|---|---|
| MAX6478BL33BD2-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 |
| MAX6478BL33BD3-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 |
| MAX6478BL33BD4-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 |
| MAX6479BL15AD1-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 |
| MAX6479BL15AD2-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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