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参数资料
| 型号： | MAX1818EUT33+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.3V/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： | 3.3V，1.25 V ~ 5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.12V @ 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： | MAX1818EUT33+TDKR |
500mA Low-Dropout
Linear Regulator in SOT23
ELECTRICAL CHARACTERISTICS (continued)
(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
Load Regulation
SYMBOL
Δ V LDR
CONDITIONS
I OUT = 1mA to 500mA
MIN
TYP
0.4
MAX
1.0
UNITS
%
Output Voltage Noise
10Hz to 1MHz, C OUT = 3.3μF (ESR < 0.1 Ω )
115
μV RMS
SHUTDOWN
Shutdown Supply Current
SHDN Input Threshold
SHDN Input Bias Current
I OFF
V IH
V IL
I SHDN
SHDN = GND, V IN = 5.5V
2.5V < V IN < 5.5V
2.5V < V IN < 5.5V
SHDN = IN or GND, T A = +25°C
T A = +85°C
1.6
0.1
1
5
15
0.6
25
μA
V
nA
POK OUTPUT
POK Output Low Voltage
Operating Voltage Range for
Valid POK
POK Output High Leakage
Current
V OL
POK sinking 1mA
POK sinking 100μA
POK = 5.5V, T A = +25°C
T A = +85°C
1.0
0.01
1
5
0.1
5.5
25
V
V
nA
POK Threshold
Rising edge, referred to V OUT(NOMINAL)
90
93
96
%
THERMAL PROTECTION
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
T SHDN
Δ T SHDN
170
20
° C
° C
Note 3: All devices are 100% production tested at T A = +25 ° C. Limits over the operating temperature range are guaranteed by
design.
Note 4: The Dropout Voltage is defined as V IN - V OUT , when V OUT is 100mV below the value of V OUT measured for V IN = V OUT(NOM)
+ 500mV. Since the minimum input voltage is 2.5V, this specification is only meaningful when V OUT(NOM) > 2.5V. For
V OUT(NOM) between 2.5V and 3.5V, use the following equations: Typical Dropout = -93mV/V ? V OUT(NOM) + 445mV;
Guaranteed Maximum Dropout = -137mV/V ? V OUT(NOM) +7004mV. For V OUT(NOM) > 3.5V, Typical Dropout = 120mV;
Maximum Dropout = 220mV.
Typical Operating Characteristics
(V IN = (V OUT + 500mV) or +2.5V, whichever is greater; SHDN = IN, C IN = 1μF, C OUT = 3.3μF, T A = +25°C, unless otherwise noted.)
GROUND PIN CURRENT
vs. INPUT VOLTAGE
GROUND PIN CURRENT
vs. LOAD CURRENT
GROUND PIN CURRENT
vs. TEMPERATURE
250
225
200
175
150
125
I LOAD = 150mA
1.8V OUTPUT
3.3V OUTPUT
160
145
130
115
100
1.8V OUTPUT
2.5V OUTPUT
3.3V OUTPUT
170
160
150
140
I LOAD = 150mA
5.0V OUTPUT
100
75
50
25
0
2.5V OUTPUT
85
70
55
40
130
120
110
1.5V OUTPUT
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
-40
-15
10
35
60
85
INPUT VOLTAGE (V)
LOAD CURRENT (A)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
3
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