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| 型号： | MAX8878EZK50+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .15A TSOT23-5 |
| 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，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 6.5V |
| 电压 - 压降（标准）： | 0.165V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小） |
| 电流 - 限制（最小）： | 160mA |
| 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： | 带卷 (TR) |
19-1301; Rev 2; 1/01
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
__________________General Description
The MAX8877/MAX8878 low-noise, low-dropout linear
regulators operate from a 2.5V to 6.5V input and deliver
up to 150mA. These devices are pin-compatible with
the industry-standard '2982 and offer an improved
dropout voltage. Typical output noise is 30μV RMS , and
typical dropout is only 165mV at 150mA. The output
voltage is preset to voltages in the range of 1.5V to
5.0V, in 100mV increments.
Designed with an internal P-channel MOSFET pass
transistor, the MAX8877/MAX8878 maintain a low
100μA supply current, independent of the load current
and dropout voltage. Other features include a 10nA
logic-controlled shutdown mode, short-circuit and ther-
mal-shutdown protection, and reverse battery protec-
tion. The MAX8878 also includes an auto-discharge
function, which actively discharges the output voltage
to ground when the device is placed in shutdown. Both
devices come in regular and thin 5-pin SOT23 pack-
ages.
________________________Applications
____________________________Features
o Pin-Compatible with the Industry-Standard '2982
o Low Output Noise: 30μV RMS
o Low 55mV Dropout at 50mA Output
(165mV at 150mA output)
o Low 85μA No-Load Supply Current
o Low 100μA Operating Supply Current
(even in dropout)
o Thermal-Overload and Short-Circuit Protection
o Reverse Battery Protection
o Output Current Limit
o Preset Output Voltages (±1.4% Accuracy)
o 10nA Logic-Controlled Shutdown
_________________Ordering Information
Cellular Telephones
Cordless Telephones
PCS Telephones
PCMCIA Cards
PART**
MAX8877 C/Dxy
MAX8877EUKxy-T
TEMP.
RANGE
0 ° C to +70 ° C
-40 ° C to +85 ° C
PIN-PACKAGE
Dice*
5 SOT23-5 Regular
Modems
Hand-Held Instruments
Palmtop Computers
Electronic Planners
____________Typical Operating Circuit
MAX8877EZKxy-T -40 ° C to +85 ° C 5 SOT23-5 Thin
MAX8878 C/Dxy 0 ° C to +70 ° C Dice*
MAX8878EUKxy-T -40 ° C to +85 ° C 5 SOT23-5 Regular
MAX8878EZKxy-T -40 ° C to +85 ° C 5 SOT23-5 Thin
* Dice are tested at T A = +25°C only.
** xy is the output voltage code (see Expanded Ordering
Information table at end of data sheet).
_____________________Pin Configuration
INPUT
2.5V TO 6.5V
IN
OUT
OUTPUT
PRESET
1.5V TO 5.0V
TOP VIEW
ON
C IN
1 μ F
OFF
C BP
0.01 μ F
MAX8877
MAX8878
SHDN
BP
GND
C OUT
3.3 μ F
150mA
IN 1
GND 2
SHDN 3
MAX8877
MAX8878
5
4
OUT
BP
SOT23-5
REGULAR AND THIN
________________________________________________________________ Maxim Integrated Products
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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