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| 型号： | MAX8868EZK29+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.84V .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： | 2.84V |
| 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) |
19-1302; Rev 3; 7/02
Low-Noise, Low-Dropout,
150mA Linear Regulators in SOT23
_______________General Description
The MAX8867/MAX8868 low-noise, low-dropout linear
regulators operate from a 2.5V to 6.5V input and deliver
up to 150mA. Typical output noise for these devices is
just 30μV RMS , and typical dropout is only 165mV at
150mA. The output voltage is preset to voltages in the
range of 2.5V to 5.0V, in 100mV increments. The
MAX8867 and MAX8868 are pin-compatible with the
MAX8863 and MAX8864, except for the BP pin.
Designed with an internal P-channel MOSFET pass tran-
sistor, the MAX8867/MAX8868 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 thermal-
shutdown protection, and reverse battery protection.
The MAX8868 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 packages.
________________________Applications
____________________________Features
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
Modems
Hand-Held Instruments
Palmtop Computers
Electronic Planners
PART**
MAX8867 EUKxy-T
MAX8867EZKxy-T
MAX8867C/Dxy
MAX8868 EUKxy-T
MAX8868EZKxy-T
MAX8868C/Dxy
TEMP
RANGE
-40 ° C to +85 ° C
-40 ° C to +85 ° C
0 ° C to +70 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
0 ° C to +70 ° C
PIN-PACKAGE
SOT23-5 Regular
SOT23-5 Thin
Dice*
SOT23-5 Regular
SOT23-5 Thin
Dice*
* 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).
__________Typical Operating Circuit
__________________Pin Configuration
INPUT
2.5V TO 6.5V
C IN
1 μ F
IN
MAX8867
MAX8868
OUT
C OUT
1 μ F
OUTPUT
PRESET
2.5V TO 5.0V
150mA
TOP VIEW
SHDN 1
GND 2
MAX8867
MAX8868
5
BP
ON
OFF
SHDN
C BP
0.01 μ F
BP
GND
IN 3
4
OUT
SOT23-5
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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