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LTC1156CSW

Description
Gate Drivers LTC1156 - Quad High Side Micropower MOSFET Driver with Internal Charge Pump
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size201KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric View All

LTC1156CSW Overview

Gate Drivers LTC1156 - Quad High Side Micropower MOSFET Driver with Internal Charge Pump

LTC1156CSW Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instructionSOP, SOP16,.4
Reach Compliance Codenot_compliant
ECCN codeEAR99
high side driverYES
Input propertiesSTANDARD
Interface integrated circuit typeBUFFER OR INVERTER BASED MOSFET DRIVER
JESD-30 codeR-PDSO-G16
JESD-609 codee0
length10.2995 mm
Number of functions4
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
power supply5/15 V
Certification statusNot Qualified
Maximum seat height2.947 mm
Maximum supply voltage18 V
Minimum supply voltage4.5 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Disconnect time60 µs
connection time2000 µs
width7.493 mm
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 16µA standby current and 95µA 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 “sleep” 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
+
10µF
V
S
5V
V
S
DS1
DS2
DS3
DS4
G1
G2
G3
G4
GND GND
0.1µF
100k
*30mΩ
SUPPLY CURRENT (µA)
Si9956DY
HARD DISK
DRIVE
FLOPPY DISK
DRIVE
LTC1156
IN1
CONTROL
LOGIC
OR
µP
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°C
5
15
10
SUPPLY VOLTAGE (V)
20
LTC1156 G01
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