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参数资料
| 型号： | MAX8887EZK25+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V .3A 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： | 2.5V |
| 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： | 带卷 (TR) |
Low-Dropout, 300mA Linear Regulators in SOT23
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V OUT + 1V, SHDN = IN, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SHUTDOWN
Shutdown Supply Current
SHDN = GND, V IN = 5.5V
0.1
2
μA
SHDN Input Threshold
SHDN Input Bias Current
OUT Discharge Resistance in
Shutdown
V IH
V IL
2.5V ≤ V IN ≤ 5.5V
2.5V ≤ V IN ≤ 5.5V
SHDN = IN or GND
SHDN = GND
1.6
10
650
0.6
100
1100
V
nA
?
POK (MAX8888 ONLY)
POK Trip Level, Referred to OUT
Set Point
Operating IN Voltage Range for
Valid POK
POK Output Voltage Low
POK Output Leakage Current
V OL
V OUT falling
(1% typical hysteresis)
I SINK = 1mA
V POK = 5.5V, SHDN = IN
90
1.0
92.5
95
5.5
0.1
100
%
V
V
nA
THERMAL PROTECTION
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
170
20
° C
° C
Note 1: All parts are 100% tested at T A = +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2: Typical and maximum dropout voltage for different output voltages are shown in the Typical Operating Characteristics
curves.
Typical Operating Characteristics
(Typical Operating Circuit, T A = +25°C, unless otherwise noted.)
OUTPUT VOLTAGE ACCURACY
OUTPUT VOLTAGE ACCURACY
3.5
OUTPUT VOLTAGE vs. INPUT VOLTAGE
1.0
vs. LOAD CURRENT
0.05
vs. TEMPERATURE
3.0
I OUT = 0
0.8
0.04
I OUT = 0
V IN = V OUT + 500mV
2.5
2.0
1.5
1.0
0.5
0
I OUT = 300mA
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0.03
0.02
0.01
0.0
-0.01
-0.02
-0.03
-0.04
-0.05
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
50
100
150
200
250
300
-40
-15
10
35
60
85
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
3
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| MAX8887EZK27+T | 功能描述:低压差稳压器 - LDO 300mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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