參數(shù)資料
型號: LTC1255IS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: MOSFETs
英文描述: Dual 24V High-Side MOSFET Driver
中文描述: 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, PDSO8
封裝: SOIC-8
文件頁數(shù): 1/16頁
文件大?。?/td> 340K
代理商: LTC1255IS8
1
LTC1255
Dual 24V High-Side
MOSFET Driver
The LTC1255 dual high-side driver allows using low
cost N-channel FETs for high-side industrial and auto-
motive switching applications. An internal charge pump
boosts the gate drive voltage above the positive rail,
fully enhancing an N-channel MOS switch with no
external components. Low power operation, with 12
μ
A
standby current, allows use in virtually all systems with
maximum efficiency.
Included on-chip is independent overcurrent sensing
to provide automatic shutdown in case of short circuits.
A time delay can be added to the current sense to
prevent false triggering on high in-rush current loads.
The LTC1255 operates from 9V to 24V supplies and is
well suited for industrial and automotive applications.
The LTC1255 is available in both an 8-pin DIP and an
8-pin SOIC.
S
FEATURE
I
Fully Enhances N-Channel Power MOSFETs
I
12
μ
A Standby Current
I
Operates at Supply Voltages from 9V to 24V
I
Short Circuit Protection
I
Easily Protected Against Supply Transients
I
Controlled Switching ON and OFF Times
I
No External Charge Pump Components
I
Compatible With Standard Logic Families
I
Available in 8-Pin SOIC
U
S
A
O
PPLICATI
I
Solenoid Drivers
I
DC Motor Drivers
I
Stepper Motor Drivers
I
Lamp Drivers/Dimmers
I
Relay Drivers
I
Low Frequency H-Bridge
I
P-Channel Switch Replacement
D
U
ESCRIPTIO
U
A
O
PPLICATI
TYPICAL
12V
1N4001
+
10
μ
F
IRLR024
24V
24V/0.5A
SOLENOID
V
S
DS2
LTC1255
IN2
GND
DS1
IN1
G1
G2
0.036
0.036
IRLR024
12V
1N4001
24V/0.5A
SOLENOID
FROM
μ
P, ETC.
FROM
μ
P, ETC.
LTC1255 TA01
Standby Supply Current
Dual 24V High-Side Switch with Overcurrent Protection
SUPPLY VOLTAGE (V)
0
0
S
(
μ
A
10
15
20
25
30
35
5
10
15
20
LTC1255 TA02
25
40
45
50
5
30
V
IN1
= V
IN2
= 0V
T
A
= 25°C
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