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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