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| 型号： | MAX15029ATB/V+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A 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）： | 0.04V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA |
| 电流 - 限制（最小）： | 700mA |
| 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) |
19-4586; Rev 4; 1/12
1.425V to 3.6V Input, 500mA Low-Dropout
Regulators with BIAS Input
General Description
The MAX15029/MAX15030 low-dropout linear regula-
tors operate from input voltages as low as 1.425V and
deliver up to 500mA of continuous output current with a
typical dropout voltage of only 40mV. The output volt-
age is adjustable from 0.5V to V IN and is ±2% accurate
over load and line variations, from -40°C to +125°C.
The MAX15030 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 the shutdown.
These regulators use small, 1μF ceramic input capaci-
tors and 2.2μF ceramic output capacitors to deliver
500mA output current. High bandwidth provides excel-
Features
? 1.425V to 3.6V Input Voltage Range
? Output Voltage Programmable from 0.5V to V IN
? Guaranteed Maximum 150mV Dropout for
Standard Package and 190mV Dropout for Side-
Wettable Package at 500mA Output Current
? 2% Output Accuracy Over Load, Line, and Temperature
? Stable with Ceramic Capacitors
? Fast Transient Response
? 60μA Operating Bias Supply Current
? 1.2μA Shutdown Bias Supply Current
lent transient response and limits the output voltage devi-
ation to 10mV for a 100mA to 500mA load step, with only
a 2.2μF ceramic output capacitor, and the voltage devia-
tions can be reduced further by increasing the output
?
?
?
Short-Circuit and Thermal Protection
-40°C to +125°C Operating Temperature Range
Soft-Start Limits Inrush Current
capacitor.
These devices offer a logic-controlled shutdown input
to reduce input current (I IN ) consumption down to less
? Thermally Enhanced 3mm x 3mm TDFN Package
Ordering Information
than 5.5μA in standby mode. Other features include a
soft-start to reduce inrush current, short-circuit protec-
tion, and thermal-overload protection.
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
The MAX15030 features a BIAS input allowing a sec-
ondary supply to keep the LDO’s internal circuitry alive
MAX15029 ATB+
MAX15029ATB/V+
-40°C to +125°C 10 TDFN-EP* +AUF
-40°C to +125°C 10 TDFN-EP* +AXK
if the voltage on IN goes to 0. Both devices are fully
specified from -40°C to +125°C and are available in a
10-pin thermally enhanced TDFN package (3mm x
3mm) that includes an exposed pad for optimal power
dissipation. For a 1A version of these LDOs, refer to the
MAX15027/MAX15028 data sheet.
Applications
Automotive (Dead-Man LDO)
Servers
Storage
Networking
MAX15029AGA/VY+ ? -40°C to +125°C 8 TDFN-EP** +ACQ
MAX15030 ATB+ -40°C to +125°C 10 TDFN-EP* +AUG
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
For tape and reel orders, add a “T” after the “+.”
*EP = Exposed pad.
**Exposed pad side-wettable flanked package.
? Future product—contact factory for availability.
Pin Configurations
TOP VIEW
Base Stations
Optical Modules
ATE
IN
IN
IN
I.C.
EN
1
2
3
4
5
+
MAX15029
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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