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| 型号： | MAX8556ETE/V+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 4A 16WQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.5 V ~ 3.4 V |
| 输入电压： | 1.43 V ~ 3.6 V |
| 电压 - 压降（标准）： | 0.1V @ 4A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 4A |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 管件 |
19-3257; Rev 2; 8/09
ATION
EVALU
AVAILA
KIT
BLE
4A Ultra-Low-Input-Voltage
LDO Regulators
General Description
The MAX8556/MAX8557 low-dropout linear regulators
operate from input voltages as low as 1.425V and are
able to deliver up to 4A of continuous output current
with a typical dropout voltage of only 100mV. The out-
put voltage is adjustable from 0.5V to V IN - 0.2V.
Designed with an internal p-channel MOSFET pass tran-
sistor, the MAX8556/MAX8557 maintain a low 800μA typi-
cal supply current, independent of the load current and
dropout voltage. Using a p-channel MOSFET eliminates
the need for an additional external supply or a noisy inter-
nal charge pump. Other features include a logic-con-
trolled shutdown mode, built-in soft-start, short-circuit
protection with foldback current limit, and thermal-over-
load protection. The MAX8556 features a POK output that
transitions high when the regulator output is within ±10%
of its nominal output voltage. The MAX8557 offers a
power-on reset output that transitions high 140ms after the
output has achieved 90% of its nominal output voltage.
The MAX8556/MAX8557 are available in a 16-pin thin
QFN 5mm x 5mm package with exposed paddle.
Features
o 1.425V to 3.6V Input Voltage Range
o Guaranteed 4A Output Current
o ±1% Output Accuracy Over Load/Line/
Temperature
o 100mV Dropout at 4A Load (typ)
o Built-In Soft-Start
o 800 μ A (typ) Operating Supply Current
o 150 μ A (max) Shutdown Supply Current
o Short-Circuit Current Foldback Protection
o Thermal-Overload Protection
o ±10% Power-OK (MAX8556)
o 140ms Power-On Reset Output (MAX8557)
o Fast Transient Response
o 16-Pin Thin QFN (5mm x 5mm) Package
Ordering Information
Applications
Servers and Storage Devices
PART
TEMP
RANGE
PIN-
PACKAGE
FEATURE
Networking
MAX8556 ETE+
-40°C to +85°C 16 Thin QFN-EP*
POK
Base Stations
MAX8556ETE/V+ -40°C to +85°C 16 Thin QFN-EP*
MAX8557 ETE+ -40°C to +85°C 16 Thin QFN-EP*
POK
POR
Optical Modules
Point-of-Load Supplies
ATE
Typical Operating Circuit
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V Denotes an automotive qualified part.
*EP = Exposed pad.
Pin Configuration
TOP VIEW
V IN
V OUT
1.425V TO 3.6V
IN
OUT
0.5V TO V IN - 0.2V
12
11
10
9
FB
13
8
OUT
EN
MAX8556
(MAX8557)
FB
GND
N.C.
14
15
MAX8556
(MAX8557)
7
6
OUT
IN
EN
16
EP
5
IN
POK
(POR)
GND
+
1
2
3
4
N.C.
THIN QFN
5mm x 5mm
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8556EVKIT | 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 |
| MAX8557ETE | 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 |
| MAX8557ETE+ | 功能描述:低压差稳压器 - LDO 4A Ultra-Low-Input-V LDO 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 |
| MAX8557ETE+T | 功能描述:低压差稳压器 - LDO 4A Ultra-Low-Input-V LDO 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 |
| MAX8557ETE-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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