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参数资料
| 型号： | MAX1589EZT250+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V .5A TSOT23-6 |
| 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： | 最高 3.6V |
| 电压 - 压降（标准）： | 0.175V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 电流 - 限制（最小）： | 550mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | TSOT-23-6 |
| 包装： | 带卷 (TR) |
Low-Input-Voltage, 500mA LDO Regulator
with R E S E T in SOT and TDFN
ELECTRICAL CHARACTERISTICS (continued)
(V IN = (V OUT + 0.5V) or V IN = 1.8V, whichever is greater; SHDN = IN, C IN = 1μF, C OUT = 4.7μF, T A = -40°C to +85°C, unless other-
wise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RESET Output High
Leakage Current
I OH
V RESET = 3.6V,
RESET not asserted
T A = +25°C
T A = +85°C
0.001
0.01
1
μA
Reset Delay
t RP
From V OUT high to RESET rising
70
100
160
ms
THERMAL PROTECTION
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
T SHDN
Δ T SHDN
+165
15
°C
°C
Note 1: Limits are 100% production tested at T A = +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2: The dropout voltage is defined as V IN - V OUT , when V OUT is 4% lower than the value of V OUT when V IN = V OUT + 0.5V.
Typical Operating Characteristics
(V IN = (V OUT + 0.5V) or 1.8V, whichever is greater; SHDN = IN, C IN = 1μF, C OUT = 4.7μF, T A = +25°C, unless otherwise noted.)
0.2
0.1
OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
0.50
0.25
OUTPUT VOLTAGE ACCURACY
vs. INPUT VOLTAGE
V OUT = +1.5V
1.5
1.0
OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
V OUT = +1.5V
V OUT = +1.5V
I OUT = 0mA
0.5
I OUT = 0mA, 100mA, 500mA
0
V OUT = +3.0V
0
I OUT = 100mA
0
-0.5
-0.1
-0.2
V OUT = +0.75 V
-0.25
-0.50
I OUT = 500mA
-1.0
-1.5
0
100
200
300
400
500
1.4
1.8
2.2
2.6
3.0
3.4
-40
-15
10
35
60
85
LOAD CURRENT (mA)
GROUND-PIN CURRENT
vs. LOAD CURRENT
INPUT VOLTAGE (V)
GROUND-PIN CURRENT
vs. INPUT VOLTAGE
TEMPERATURE ( ° C)
GROUND-PIN CURRENT
vs. TEMPERATURE
120
110
100
V OUT = +3.0V
V OUT = +1.5V
120
100
80
I OUT = 100mA
I OUT = 500mA
100
90
80
V OUT = +1.5V
I OUT = 1mA TO 500mA
90
60
80
V OUT = +0.75 V
40
I OUT = 0mA
70
I OUT = 0mA
70
20
V OUT = +1.5V
60
60
0.01
0.1
1
10
100
1000
0
1.2
1.6
2.0
2.4
2.8
3.2
3.6
50
-40
-15
10
35
60
85
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
3
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