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| 型号： | MAX8887EZK18+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V .3A TSOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 420mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | MAX8887EZK18+TDKR |
19-1859; Rev 4; 7/09
Low-Dropout, 300mA Linear Regulators in SOT23
General Description
The MAX8887/MAX8888 low-dropout linear regulators
operate from a 2.5V to 5.5V input and deliver up to
300mA continuous (500mA pulsed) current. The
MAX8887 is optimized for low-noise operation, while the
MAX8888 includes an open-drain power-OK (POK) ouput
flag. Both regulators feature exceptionally low 100mV
dropout at 200mA. These devices are available in a vari-
ety of preset output voltages in the 1.5V to 3.3V range.
An internal PMOS pass transistor allows the low 55μA
supply current to remain independent of load, making
these devices ideal for portable battery-powered equip-
ment such as personal digital assistants (PDAs), cellu-
lar phones, cordless phones, and notebook computers.
Other features include a micropower shutdown mode,
short-circuit protection, thermal shutdown protection,
and an active-low open-drain POK output that indicates
when the output is out of regulation. The
Features
? Guaranteed 300mA Output Current (500mA for
Pulsed Loads)
? Low 100mV Dropout at 200mA Load
? POK Output (MAX8888)
? 42 μ V RMS Output Noise (MAX8887)
? Preset Output Voltages (1.5V, 1.8V, 2.85V, and
3.3V)
? 55 μ A No-Load Supply Current
? Thermal-Overload and Short-Circuit Protection
? Foldback Output Current-Limit Protection
? 60dB PSRR at 1kHz
? 0.1 μ A Shutdown Current
? Thin 5-Pin SOT23 Package, 1mm High
Ordering Information
MAX8887/MAX8888 are available in a thin 5-pin SOT23
package that is only 1mm high.
PART
TEMP
RANGE
PIN-
PACKAGE
TOP
MARK
MAX8887 EZK15+T
MAX8887EZK18+T
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
ADQD
ADPX
________________________Applications
Notebook Computers
Wireless Handsets
PDAs and Palmtop Computers
Digital Cameras
PCMCIA Cards
Hand-Held Instruments
MAX8887EZK29+T
MAX8887EZK33+T
MAX8887EZKxy+T*
MAX8888 EZK15+T
MAX8888EZK18+T
MAX8888EZK18/V+T
MAX8888EZK29+T
MAX8888EZK33+T
MAX8888EZKxy+T*
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
-40 ° C to +85 ° C 5 SOT23
ADPY
ADPZ
—
ADQE
ADQA
—
ADQB
ADQC
—
*Other versions (xy) between +1.5 and +3.3V are available in
100mV increments. Contact factory for other versions. Minimum
order quantity is 25,000 units.
Typical Operating Circuit
+Denotes a lead(Pb)-free RoHS-compliant package.
/V denotes an automotive qualified part .
INPUT
2.5V TO 5.5V
V OUT
300mA
Pin Configurations
C IN
2.2 μ F
IN
MAX8887
OUT
C OUT
2.2 μ F
TOP VIEW
MAX8888
IN
1
5
OUT
IN
1
5
OUT
POK
ON
OFF
SHDN
GND
(BP)
C BP
GND 2
MAX8887
GND 2
MAX8888
0.01 μ F
SHDN 3
4
BP
SHDN 3
4
POK
( ) ARE FOR MAX8887 ONLY.
________________________________________________________________ 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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