參數(shù)資料
型號： MAX895LESA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown
中文描述： 0.375 A DUAL SWITCHING CONTROLLER, PDSO8
封裝： SOIC-8
文件頁數(shù)： 2/8頁
文件大?。?/td> 98K
代理商： MAX895LESA
M
Dual, Current-Limited, High-S ide P-Channel
S witc hes with T hermal S hutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN to GND...................................................................-0.3V to 6V
ONA
,
ONB
to GND.....................................................-0.3V to 6V
SET A, SET B, OUT A, OUT B to GND ........-0.3V to (V
IN
+ 0.3V)
Maximum Continuous Switch Current
MAX894L ..........................................................................0.75A
MAX895L ........................................................................0.375A
ELECTRICAL CHARACTERISTICS
(V
IN
= 3V,
T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°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.
Continuous Power Dissipation (T
A
= +70°C)
SO (derate 5.88mW/°C above +70°C) .......................471mW
Operating Temperature Range
MAX89_LESA .................................................-40°C to +85°C
Storage Temperature Range...............................-65°C to+150°C
Lead Temperature (soldering, 10sec)..............................+300°C
V
SET A
= 1.24V,
ONA
= 0,
ONB
= V
IN
, I
OUT A
= 0
V
SET B
= 1.24V,
ONB
= 0,
ONA
= V
IN
, I
OUT B
= 0
V
ONA
= V
ONB
= 5.5V
ONA
=
ONB
= IN, V
IN
= V
OUT A
= V
OUT B
= 5.5V
ONA
=
ONB
= IN, V
IN
= 5.5V, V
OUT A
= V
OUT B
= 0
Rising edge, 1% hysteresis
V
IN
= 4.5V to 5.5V
V
IN
= 2.7V to 3.6V
V
IN
= 5V,
ONA
=
ONB
= GND, I
OUT A
= I
OUT B
= 0
V
IN
= 2.7V to 5.5V
V
IN
= 3.0V
MAX895L
MAX894L
MAX895L
MAX894L
V
SET
required to turn the switch off (Note 1)
MAX894L
CONDITION
0.5
3
I
SETA,
I
SETB
Bias Current
μ
A
0.01
1
ONA, ONB
Input Leakage
V
2.4
ONA, ONB
Input High Voltage
2.0
V
0.8
ONA, ONB
Input Low Voltage
mA
250
1085
500
Maximum Output Current
V
1.178
1.240
1.302
Current-Limit-Amplifier Threshold
μ
A
μ
A
V
0.03
0.04
2.4
120
1
3
Off-Supply Current
Off-Switch Current
Undervoltage Lockout
μ
A
18
30
V
2.7
5.5
Operating Voltage
Quiescent Current
m
300
500
150
300
250
420
2.0
2.6
225
On-Resistance
UNITS
MIN
TYP
MAX
PARAMETER
V
IN
= 4.5V
MAX895L
20% current overdrive, V
CC
= 5V
μ
s
μ
s
5
2
Slow-Current-Loop Response Time
Fast-Current-Loop Response Time
Note 1:
Tested with I
OUT
= 50mA for the MAX894L and 25mA for the MAX895L, and V
SET
raised until V
IN
- V
OUT
≥
0.8V.
MAX895L, I
OUT
= 125mA
MAX894L, I
OUT
= 250mA
A/A
V
OUT
= 1.6V to 2.8V
910
1050
1235
945
1270
I
OUT
to I
SET
Current Ratio
μ
A
V
IN
= 5V, I
OUT
= 250mA (MAX894L), 125mA (MAX895L)
V
IN
= 3V, I
OUT
= 250mA (MAX894L), 125mA (MAX895L)
100
150
1.2
200
μ
s
Turn-On Time
Turn-Off Time
0.8
20
μ
s
0.5
3
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MAX895LESA+T 功能描述:電源開關(guān) IC - 配電 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
MAX895LESA-T 功能描述:電源開關(guān) IC - 配電 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5
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