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| 型号： | MAX1818EUT25#TG16 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V/ADJ .5A 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，固定式或可调式 |
| 输出电压： | 2.5V，1.25 V ~ 5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.21V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 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 |
| 其它名称： | MAX1818EUT25#TG16DKR |
500mA Low-Dropout
Linear Regulator in SOT23
ABSOLUTE MAXIMUM RATINGS
IN, SHDN , POK, SET to GND ...................................-0.3V to +6V
OUT to GND ................................................-0.3V to (V IN + 0.3V)
Output Short-Circuit Duration ...............................................1min
Continuous Power Dissipation (T A = +70°C) (Note 1)
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) (Note 2) ...................+300°C
6-Pin SOT23 (derate 10mW/°C above +70°C)..............800mW
Note 1: Thermal properties are specified with product mounted on PC board with one square-inch of copper area and still air. With
minimal copper, the SOT23 package dissipates 712mW at +70°C. With a quarter square inch of copper, it will dissipate
790mW at +70°C. Copper should be equally shared between the IN, OUT, and GND pins.
Note 2: This device is constructed using a unique set of packaging techniques that imposes a limit on the thermal profile to which
the device can be exposed during board-level solder attach and rework. The limit permits only the use of the solder profiles
recommended in the industry standard specification, IPC JEDEC-J-STD-020A, paragraph 7.6, Table 3 for the IR/VPR and
convection reflow. Preheating is required. Hand or wave soldering is not allowed.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = V OUT + 500mV or V IN = +2.5V, whichever is greater; SHDN = IN, T A = -40°C to +85°C, unless otherwise noted. Typical values
are at T A = +25°C.) (Note 3)
PARAMETER
Input Voltage
Input Undervoltage Lock-Out
SYMBOL
V IN
V UVLO
CONDITIONS
Rising, 75mV hysteresis
MIN
2.5
2.0
TYP
2.15
MAX
5.5
2.3
UNITS
V
V
I OUT = 100mA, T A = +25 ° C, V OUT ≥ 2.0V
-1
+1
Output Voltage Accuracy
(Preset Mode)
V OUT
I OUT = 100mA, V OUT < 2.0V
I OUT = 100mA, T A = -40 ° C to +85 ° C
-1.5
-2.5
+1.5
+2.5
%
I OUT = 1mA to 500mA, V IN > V OUT + 0.5V,
T A = -40 ° C to +85 ° C
-3
+3
Adjustable Output Voltage
Range
1.25
5
V
SET Voltage Threshold
(Adjustable Mode)
V SET
V IN = 2.7V,
I OUT = 100mA,
V OUT set to 2.0V
T A = 0 ° C to +85°C
T A = -40 ° C to +85 ° C
1.225
1.213
1.250
1.275
1.288
V
Guaranteed Output Current
(RMS)
I OUT
V IN ≥ 2.7V
500
mA
Short-Circuit Current Limit
I LIM
V OUT = 0, V IN ≥ 2.7V
0.55
0.8
1.8
A
In-Regulation Current Limit
V OUT > 96% of nominal value, V IN ≥ 2.7V
1.6
A
SET Dual Mode? Threshold
50
100
150
mV
SET Input Bias Current
Ground-Pin Current
I SET
I Q
V SET = 1.25V
I OUT = 100μA
I OUT = 500mA
-100
125
140
+100
250
nA
μA
V OUT = 5V
100
220
Dropout Voltage (Note 4)
V IN - V OUT
I OUT = 500mA
V OUT = 3.3V
120
215
mV
V OUT = 2.5V
210
360
Line Regulation
Δ V LNR
V IN from (V OUT + 100mV) to 5.5V,
I LOAD = 5mA
-0.15
0
+0.15
%/V
Dual Mode is a trademark of Maxim Integrated Products
2
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