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LTC1156CS Datasheet

  • LTC1156CS

  • Quad High Side Micropower MOSFET Driver with Internal Charge...

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LTC1156
Quad High Side
Micropower MOSFET Driver
with Internal Charge Pump
DESCRIPTIO
The LTC1156 quad High side gate driver allows using low
cost N-channel FETs for high side 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. Micropower opera-
tion, with 16碌A(chǔ) standby current and 95碌A(chǔ) operating
current, allows use in virtually all systems with maximum
efficiency.
Included on chip is independent over-current 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 LTC1156 operates off of a 4.5V to 18V supply and is
well suited for battery-powered applications, particularly
where micropower 鈥渟leep鈥?operation is required.
The LTC1156 is available in both 16-pin DIP and 16-pin
SOL packages.
FEATURES
s
s
s
s
s
s
s
s
s
No External Charge Pump Components
Fully Enhances N-Channel Power MOSFETs
16 Microamps Standby Current
95 Microamps ON Current
Wide Power Supply Range 4.5V to 18V
Controlled Switching ON and OFF Times
Replaces P-Channel High Side Switches
Compatible with Standard Logic Families
Available in 16-pin SOL Package
APPLICATI
s
s
s
s
s
s
s
S
Laptop Computer Power Switching
SCSI Termination Power Switching
Cellular Telephone Power Management
P-Channel Switch Replacement
Battery Charging and Management
Low Frequency H-Bridge Driver
Stepper Motor and DC Motor Control
TYPICAL APPLICATI
5V
Laptop Computer Power Management
100
+
10碌F
V
S
5V
V
S
DS1
DS2
DS3
DS4
G1
G2
G3
G4
GND GND
0.1碌F
100k
*30m鈩?/div>
SUPPLY CURRENT (碌A(chǔ))
Si9956DY
HARD DISK
DRIVE
FLOPPY DISK
DRIVE
LTC1156
IN1
CONTROL
LOGIC
OR
碌P
IN2
IN3
IN4
Si9956DY
DISPLAY
PERIPHERAL
ALL COMPONENTS SHOWN ARE SURFACE MOUNT. MINIMUM PARTS COUNT
SHOWN. CURRENT LIMITS CAN BE SET SEPARATELY AND TAILORED TO
INDIVIDUAL LOAD CHARACTERISTICS.
* IMS026 INTERNATIONAL MANUFACTURING SERVICES, INC. (401) 683-9700
1156 TA01
U
UO
UO
Standby Supply Current
90
80
70
60
50
40
30
20
10
0
0
V
IN1
= V
IN2
= V
IN3
= V
IN4
= 0V
T
J
= 25擄C
5
15
10
SUPPLY VOLTAGE (V)
20
LTC1156 G01
1

LTC1156CS相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    Dual Micropower Comparator
    LINER
  • 英文版
    DUAL MICROPOWER COMPARATOR
    LINER [Lin...
  • 英文版
    Dual Micropower Comparator
    LINER [Lin...
  • 英文版
    BANG-BANG Controller
    LINER
  • 英文版
    BANG-BANG Controller
    LINER [Lin...
  • 英文版
    Window Comparator
    LINER
  • 英文版
    Window Comparator
    LINER [Lin...
  • 英文版
    Window Comparator
    LINER [Lin...
  • 英文版
    2-Channel Differential Input 16-Bit No Latency DS ADC
    LINER
  • 英文版
    2-Channel Differential Input 24-Bit No Latency DS ADC
    LINER [Lin...
  • 英文版
    2-Channel Differential Input 16-Bit No Latency DS ADC
    LINER [Lin...
  • 英文版
    Dual Precision Intrumentation Switched-Capacitor Building Bl...
    LINER [Lin...
  • 英文版
    Switched Capacitor Voltage Converter
    LINER
  • 英文版
    Switched Capacitor Voltage Converter
    LINER [Lin...
  • 英文版
    Programmable Micropower Hex Translator/ Receiver/Driver
    LINER
  • 英文版
    Programmable Micropower Hex Translator/ Receiver/Driver
    LINER [Lin...
  • 英文版
    “Inductorless” 5V to + 5V Converter
    LINER
  • 英文版
    “Inductorless” 5V to + 5V Converter
    LINER [Lin...
  • 英文版
    Dual Micropower Chopper Stabilized Operational Amplifier wit...
    LINER
  • 英文版
    Dual Micropower Zero-Drift Operational Amplifier with Intern...
    LINER [Lin...

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