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参数资料
| 型号： | MAX1793EUE50+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/11页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ 1A 16TSSOP |
| 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，固定式或可调式 |
| 输出电压： | 5V，1.25 V ~ 5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 带卷 (TR) |
Low-Dropout, Low I Q , 1A Linear Regulator
ABSOLUTE MAXIMUM RATINGS
IN, SHDN , RST to GND ............................................-0.3V to +6V
OUT, SET to GND ........................................-0.3V to (V IN + 0.3V)
Output Short-Circuit Duration ............................................Infinite
Continuous Power Dissipation (T A = +70°C)
TSSOP-EP (derate 19mW/°C above +70°C) .....................1.5W
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Soldering Temperature (reflow)
Lead(Pb)- F ree P ackages..............................................+260°C
Packages C ontaining L ead(Pb)....................................+240°C
Junction Temperature ......................................................+150°C
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(NOM) + 0.5V or V IN = 2.5V (whichever is greater), SHDN = IN, T A = +0°C to +85°C , unless otherwise noted. Typical values
are at T A = +25°C.)
PARAMETER
Input Voltage
Input Undervoltage Lockout
SYMBOL
V IN
V IN
CONDITIONS
MIN
2.5
2.0
TYP
MAX
5.5
2.3
UNITS
V
V
T A = +85 ° C,
Preset V OUT ≥ 2.5V
-1
+1
Output Voltage Accuracy
(Preset Mode, SET = GND)
I OUT = 250mA Preset V OUT < 2.5V
T A = 0 ° C to +85 ° C, I OUT = 250mA
T A = 0 ° C to +85 ° C, I OUT = 1mA to 1A,
V IN > V OUT + 0.5V
-1.5
-2
-3
+1.5
+2
+3
%
SET Voltage Threshold
(For Adjustable Output)
Adjustable Output Voltage
Range
Maximum Output Current
I OUT
T A = +85 ° C, I OUT = 250mA, V IN = 3V
T A = 0 ° C to +85 ° C, I OUT = 250mA, V IN = 3V
T A = 0 ° C to +85 ° C, I OUT = 1mA to 1A, V IN = 3V
Continuous, V IN ≥ 3V
1.229
1.219
1.212
1.25
1
1.250
1.271
1.281
1.288
5
V
V
A RMS
Short-Circuit Current Limit
I LIM
V OUT = 0V, V IN ≥ 3V
1.1
1.8
3.3
A
In-Regulation Current Limit
SET Pin Dual Mode Threshold
V OUT within 4% of nominal output voltage,
V IN = 5.5V
50
2.8
150
A
mV
SET Input Bias Current
I SET
V SET = +1.25V
± 100
nA
Ground Current
I GND
I OUT = 100μA
125
200
μA
Dropout Voltage (Note 1)
V IN - V OUT
I OUT = 1A,
SET = GND
MAX1793-33, -50
MAX1793-25
210
270
350
450
mV
Line Regulation
Load Regulation
? V LNR
? V LDR
V IN from (V OUT + 0.1V) to +5.5V,
I OUT = 5mA, SET = GND
I OUT = 100μA to 1A
-0.15
0
0.7
+0.15
%/V
%
Output Voltage Noise
10Hz to 1MHz, C OUT = 6.8μF (ESR < 0.1 ? )
115
μV RMS
Shutdown Supply Current
Output Pulldown Resistance in
Shutdown
I OFF
SHDN = GND, V IN = +5.5V
SHDN = GND
0.1
5
16
μA
k ?
2
_______________________________________________________________________________________
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