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| 型号： | MAX15027ATB/V+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1A 10-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，可调式 |
| 输出电压： | 0.5 V ~ 3.3 V |
| 输入电压： | 1.43 V ~ 3.6 V |
| 电压 - 压降（标准）： | 0.075V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A |
| 电流 - 限制（最小）： | 1.4A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
19-4488; Rev 1; 5/10
1.425V to 3.6V Input, 1A Low-Dropout
Regulators with BIAS Input
General Description
The MAX15027/MAX15028 low-dropout linear regulators
operate from input voltages as low as 1.425V and deliver
up to 1A of continuous output current with a typical
dropout voltage of only 75mV. The output voltage is
adjustable from 0.5V to V IN and is ±2% accurate over load
and line variations, from -40°C to +125°C. The MAX15028
features a BIAS input of 3V to 5.5V from an always-on
power supply. The BIAS input current is reduced down to
less than 2μA during shutdown.
These regulators use small, 1μF ceramic input capaci-
tors and 4.7μF ceramic output capacitors to deliver 1A
output current. High bandwidth provides excellent tran-
sient response and limits the output voltage deviation to
15mV for a 500mA load step, with only a 4.7μF ceramic
output capacitor, and the voltage deviations can be
reduced further by increasing the output capacitor.
These devices offer a logic-controlled shutdown input
to reduce input current (I IN ) consumption down to less
than 5.5μA in standby mode. Other features include a
soft-start to reduce inrush current, short-circuit protec-
tion, and thermal-overload protection.
Features
o 1.425V to 3.6V Input Voltage Range
o Output Voltage Programmable from 0.5V to V IN
o Guaranteed Maximum 225mV Dropout at 1A
Output Current
o ±2% Output Accuracy Over Load, Line, and
Temperature
o Stable with Ceramic Capacitors
o Fast Transient Response
o 60μA Operating Bias Supply Current (MAX15028)
o 1.2μA Shutdown Bias Supply Current (MAX15028)
o Short-Circuit and Thermal Protection
o -40°C to +125°C Operating Temperature Range
o Soft-Start Limits Inrush Current
o Thermally Enhanced 3mm x 3mm TDFN Package
o AEC-Q100 Qualified
Ordering Information
The MAX15028 features a BIAS input allowing a sec-
ondary supply to keep the LDO’s internal circuitry alive
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
if the voltage on IN goes to 0V. Both devices are fully
specified from -40°C to +125°C and are available in a
10-pin thermally enhanced TDFN package (3mm x
MAX15027 ATB+T
MAX15027ATB/V+T
-40°C to +125°C 10 TDFN-EP*
-40°C to +125°C 10 TDFN-EP*
+AUD
+AWC
3mm) that includes an exposed pad for optimal power
dissipation. For a 500mA version of these LDOs, refer
to the MAX15029/MAX15030 data sheet.
MAX15028 ATB+T -40°C to +125°C 10 TDFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
For tape-and-reel orders, add a “T” after the “+”.
+AUE
Applications
Automotive (Dead-Man LDO)
Servers
Storage
Networking
*EP = Exposed pad.
/V denotes an automotive qualified part.
Pin Configurations
TOP VIEW
Base Stations
Optical Modules
ATE
IN
IN
IN
I.C.
EN
1
2
3
4
5
+
MAX15027
EP
10
9
8
7
6
OUT
OUT
GND
FB
SS
Typical Operating Circuits appear at end of data sheet.
TDFN
(3mm x 3mm)
Pin Configurations continued at end of data sheet.
________________________________________________________________ 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 |
|---|---|
| MAX15028ATB/V+ | 制造商:Maxim Integrated Products 功能描述:1.425V TO 3.6V INPUT 1A LOW-DROPOU - Rail/Tube |
| MAX15028ATB/V+T | 功能描述:低压差稳压器 - LDO 1.425-3.6V 1A w/BIAS Input 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 |
| MAX15028ATB+T | 功能描述:低压差稳压器 - LDO 1.425-3.6V 1A w/BIAS Input 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 |
| MAX15029ATB/V+ | 制造商:Maxim Integrated Products 功能描述:1.425V TO 3.6V INPUT 0.5A LOW-DROP - Rail/Tube |
| MAX15029ATB/V+T | 功能描述:低压差稳压器 - LDO 1.425-3.6V .5A w/BIAS Input 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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