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參數資料
| 型號： | MAX869 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown |
| 中文描述： | 甲，限流，高端P溝道開關與熱關斷 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 90K |
| 代理商： | MAX869 |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
_______________General Desc ription
The MAX869L P-channel load switch features an accu-
rate user-set current limit and low on-resistance. This
switch is designed to protect your power source from
shorts and surges by limiting current and preventing
the system supply from being pulled low. The input volt-
age range is 2.7V to 5.5V.
The MAX869L features a 2A, 45m
switch controlled
by a logic signal. Current-limit accuracy is ±21%, and
can be set from 400mA to 2.4A using a single resistor.
The device has a low 12μA quiescent supply current,
which reduces to 2μA max in shutdown. It features ther-
mal-shutdown protection and a logic-signal output pin
(
FAULT
) that signals when there is an overcurrent or
overtemperature condition.
For other devices in this family, consult the Selector
Guide.
________________________Applic ations
Universal Serial Bus (USB)
Notebook Computers
Personal Communicators
Palmtop Computers
Hand-Held Instruments
Portable Medical Instruments
____________________________Features
o
Very Small Footprint (16-pin QSOP is the same
size as an 8-pin SO)
o
Low Resistance: 45m
at 3V
o
±21%-Accurate, User-Set Current Limit
o
12μA (typ) Quiescent Current
o
0.01μA (typ) Shutdown Current
o
0.04μA (typ) Leakage to Output when Switch
is Off
o
2.7V to 5.5V Input Range
o
Thermal Shutdown
o
FAULT
Output
M
2A, Current-Limited, High-S ide
P-Channel S witc h with T hermal S hutdown
________________________________________________________________ Maxim Integrated Products
1
_____________________S elec tor Guide
19-1278; Rev 0; 8/97
PART
MAX869LC/D
MAX869LEEE
*Dice are specified at T
A
= +25°C.
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
Dice*
16 QSOP
______________Ordering Information
__________Typic al Operating Circ uit
Pin Configuration appears at end of data sheet.
300
MAX892L
PART
150
MAX891L
45
MAX869L
R
ON
AT 3V
(m
)
0.25
0.5
2
NOMINAL
CURRENT
(A)
Single
Single
Single
COUNT
8 μMAX
8 μMAX
16 QSOP
PACKAGE
0.5
8 SO
Dual
150
MAX894L
0.25
8 SO
Dual
300
MAX895L
1
Single
8 SO
90
MAX890L
MAX869L
IN
FAULT
OUT
INPUT
2.7V TO5.5V
1
μ
F
*
0.1
μ
F
*
ON/OFF
R
SET
OUTPUT
UP TO2A
100k
*
FOR USB APPLICATIONS, C
IN
= 1
μ
F, C
OUT
= 120
μ
F
ON
SET
GND
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