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| 型号： | MAX1983EUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A SOT23-6 |
| 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，可调式 |
| 输出电压： | 0.8 V ~ 2 V |
| 输入电压： | 1.25 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 330mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 标准包装 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
| 其它名称： | MAX1983EUT+TDKR |
ATION
AILABL
19-2560; Rev 1; 10/08
EVALU E
AV
KIT
Low-Voltage, Low-Dropout Linear Regulators
with External Bias Supply
General Description
The MAX1982/MAX1983 are low-voltage, low-dropout
linear regulators with an external bias supply input. The
5V bias supply drives the gate of the internal N-channel
pass transistor, making these devices ideal for applica-
tions that require low-voltage outputs from low-voltage
inputs. The MAX1982 delivers 1.2V (±3%) at 300mA
from an input voltage of 1.25V to 5.5V. The MAX1983
delivers an adjustable output voltage from 0.8V to 2V.
The MAX1982/MAX1983 include a current-limit and
thermal shutdown that protects the regulator in the
event of a fault condition. Both devices are offered in a
6-pin SOT23 package and are specified over the
extended (-40°C to +85°C) temperature range.
Applications
Notebook Computers
Features
o Low-Cost 1.2V, 300mA VID Supply
o ±3% Output Voltage Accuracy
o No Minimum Load Current Required
o 1.25V to 5.5V Input Supply Voltage
o 5V Input Bias Supply Voltage
o Power-Good (PGOOD) Open-Drain Output with
1ms Rising Edge Propagation Delay (MAX1982)
o Adjustable Output Voltage (MAX1983)
o Low Supply Current (I BIAS + I IN = 165μA typ)
o 5μA (max) Shutdown Supply Current
o Tiny 6-Pin SOT23 Package
Ordering Information
VID Power Supplies
PDAs
Cell Phones
Low-Dropout Regulators with External Bias
Supply
PART
MAX1982 EUT-T
MAX1983 EUT-T
MAX1982 EUT+T
MAX1983 EUT+T
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
TOP
MARK
ABEA
ABEB
ABEA+
ABEB+
+Denotes lead(Pb)-free package/RoHS-compliant package.
Typical Operating Circuit
TOP VIEW
Pin Configurations
4.5V TO 5.5V
BIAS
IN
1.25V TO 5.5V
BIAS 1
6
IN
0.1 μ F
MAX1982
10 μ F
GND 2
MAX1982
5
OUT
GND
OUT
1.2V
10 μ F
SHDN 3
4
PGOOD
ON
SHDN
PGOOD
PGOOD
SOT23
Fixed Output Voltage
OFF
100k Ω
BIAS 1
6
IN
GND 2
SHDN 3
MAX1983
5
4
OUT
ADJ
SOT23
Adjustable Output
________________________________________________________________ Maxim Integrated Products
1
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.
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