參數(shù)資料
型號(hào)： MAX4835
廠商： Maxim Integrated Products, Inc.
英文描述： 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85
中文描述： 250mA LDO線(xiàn)性穩(wěn)壓器，帶有限流開(kāi)關(guān)
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 350K
代理商： MAX4835
M
250mA LDO Linear Regulators with
Current-Limiting Switch
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
,
FLAG
, OUT to GND ................................-0.3V to +6V
RESET
to GND .........................................-0.3V to (V
OUT
+ 0.3V)
SS to GND ...................................................-0.3V to (V
IN
+ 0.3V)
IN to OUT...............................................................................±6V
OUT Short Circuit to GND..........................................Continuous
All Pins ESD Handling (Human Body Model).........................2kV
ELECTRICAL CHARACTERISTICS
(V
IN
= V
OUT
+ 1V,
SHDN
= IN, C
OUT
= 3.3μF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
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.
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SOT23 (derate 9.1mW/°C above +70°C)................727mW
6-Pin TDFN (derate 24.4mW/°C above +70°C)..........1951.2mW
Operating Temperature Range ...........................-40°C to +85°C
Operating Junction Temperature Range...........-40°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
2.5
TYP
MAX
5.5
UNITS
V
Operating Voltage
Input Undervoltage Lockout
Threshold
V
UVLO
V
IN
rising
2.00
2.25
V
Input Undervoltage Lockout
Threshold Hysteresis
50
mV
SHDN
= IN, I
OUT
= 0
SHDN
= IN, I
OUT
= 0,
V
UVLO
< V
IN
< V
OUT
(nominal)
SHDN
= GND, I
OUT
= 0
90
150
150
Quiescent Current
I
Q
0.1
103
2
μA
T
A
= +25°C
T
A
= -40°C to +85°C
140
165
Dropout Voltage (Note 2)
I
OUT
= 250mA
mV
I
OUT
= 1mA to 250mA, T
A
= +25°C
I
OUT
= 1mA to 250mA, T
A
= -40°C to +85°C
-1.3
+1.3
Output Voltage Accuracy
-2
250
270
+2
%V
NOM
Output Current
Output Current Limit
Reverse Current at V
IN
I
OUT
mA
mA
μA
V
OUT
= 0V
V
OUT
= 5.5V, V
IN
= 0V to V
OUT
C
SS
= not connected
C
SS
= 0.01μF
C
SS
= 0.1μF
V
OUT
+ 0.5V < V
IN
<
5.5V, I
LOAD
= 100μA
100μA < I
LOAD
< 250mA, V
IN
= V
OUT
+ 1V
10Hz to 100kHz, C
SS
= 0.01μF
330
2
2.0
15
150
+0.065
+0.08
0.1
1
10
100
+0.02
+0.03
1.3
70
0.5
4
40
-0.04
-0.05
Soft-Start Time (Note 3)
t
SS
ms
T
A
= +25°C
T
A
= -40°C to +85°C
Line Regulation (Note 4)
%V
NOM
/
V
Load Regulation
Output Noise
SHUTDOWN INPUT (
SHDN
)
%V
NOM
μV
RMS
OUT Discharge Resistance in
Shutdown (MAX4835)
SHDN
= GND
900
SHDN
Input-Voltage High
SHDN
Input-Voltage Low
SHDN
Input Hysteresis
SHDN
Input Leakage Current
V
IH
V
IL
1.4
V
V
0.5
30
mV
nA
SHDN
= IN or GND
-100
+100
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4835ETT18BD2+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX4835ETT18BD2V+T 功能描述:低壓差穩(wěn)壓器 - LDO 250mA LDO Linear Regulators with Current-Limiting Switch RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX4835ETT18D1-T 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX4835ETT18D2-T 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX4835ETT18D3-T 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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