LTC1693-5
High Speed Single
P-Channel MOSFET Driver
FEATURES
DESCRIPTIO
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Single MOSFET Driver in MSOP Package The LTC 1693-5 drives power P-channel MOSFETs at
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1.5A Peak Output Current high speed. The 1.5A peak output current reduces switch-
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16ns Rise/Fall Times at V = 12V, C = 1nF ing losses in MOSFETs with high gate capacitance.
CC L
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Wide V Range: 4.5V to 13.2V
CC
The LTC1693-5 is a single driver with an output polarity
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CMOS Compatible Input with Hysteresis
select pin. The MOSFET driver offers V independent
CC
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Input Threshold Is Independent of V
CC
CMOS input thresholds with 1.2V of typical hysteresis. It
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Driver Input Can Be Driven Above V
CC
can level-shift the input logic signal up or down to the rail-
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Undervoltage Lockout
to-rail V drive for the external MOSFET.
CC
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Thermal Shutdown
The LTC1693-5 contains an undervoltage lockout circuit
U
and a thermal shutdown circuit that disables the external
APPLICATIO S
P-channel MOSFET gate drive if activated.
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Power Supplies
The LTC1693-5 comes in an 8-lead MSOP package.
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High Side Drivers , LTC and LT are registered trademarks of Linear Technology Corporation.
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Motor/Relay Control
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Line Drivers
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Battery Chargers
TYPICAL APPLICATIO
High Efficiency 1.5A Li-Ion Battery Charger
V
IN
5V TO 6V
MBRS130LT3
POSITION CAPACITOR CLOSE TO LTC1732
1F
332 332 0.47F
0.082 22F
8
0.25W CERAMIC
V
CC 4.7
9
SENSE
POSITION CAPACITOR
LTC1732
8
CLOSE TO SENSE RESISTOR
3
3 7 1 7
CHRG DRV
Si2305DS
LTC1693-5CMS8
10 1
4
ACPR BAT
MBRS130LT3
4 6
TIMER PROG
18.2k
GND SEL
22F
5 2
V CDRH6D38-220NC
CC
0.1F
AVX 0603ZC104KAT1A
SEL
USE LOW TEMPERATURE
+ +
1-CELL
COEFFICIENT CAPACITOR
100F
Li-Ion BATTERY
1693-5 TA01
CHARGE RATE 1.5A (DEPENDING ON V AND BATTERY VOLTAGE)
IN
1
U
ULTC1693-5
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
(Note 1)
ORDER PART
Supply Voltage (V ) .............................................. 14V TOP VIEW
CC
NUMBER
IN 1 8 V
Inputs (IN, PHASE) ................................... 0.3V to 14V CC
NC 2 7 OUT
LTC1693-5CMS8
Driver Output ................................. 0.3V to V + 0.3V
6 NC
CC PHASE 3
GND 4 5 NC
Junction Temperature.......................................... 150 C
MS8 PACKAGE
Operating Temperature Range ..................... 0 C to 70 C
MS8 PART
8-LEAD PLASTIC MSOP
Storage Temperature Range ................. 65 C to 150 C MARKING
T = 150 C, q = 200 C/ W
JMAX JA
Lead Temperature (Soldering, 10 sec).................. 300 C
LTSG
Consult factory for parts specified with wider operating temperature ranges.
The l denotes specifications which apply over the full operating
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T = 25 C. V = 12V, unless otherwise noted.
A CC
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V Supply Voltage Range 4.5 13.2 V
CC
I Quiescent Current PHASE = 12V, IN = 0V l 200 360 550 m A
CC
I Switching Supply Current C = 4.7nF, f = 100kHz l 7.2 10 mA
CC(SW) OUT IN
Input
V High Input Threshold l 2.2 2.6 3.1 V
IH
V Low Input Threshold l 1.1 1.4 1.7 V
IL
I Input Pin Bias Current l 0.01 10 m A
IN
V PHASE Pin High Input Threshold l 4.5 5.5 6.5 V
PH
I PHASE Pin Pull-Up Current PHASE = 0V l 10 20 45 m A
PH
Output
V High Output Voltage I = 10mA l 11.92 11.97 V
OH OUT
V Low Output Voltage I = 10mA l 30 75 mV
OL OUT
R Output Pull-Down Resistance 2.85 W
ONL
R Output Pull-Up Resistance 3.00 W
ONH
I Output Low Peak Current 1.70 A
PKL
I Output High Peak Current 1.40 A
PKH
Switching Timing (Note 2)
t Output Rise Time C = 1nF l 17.5 35 ns
RISE OUT
C = 4.7nF l 48.0 85 ns
OUT
t Output Fall Time C = 1nF l 16.5 35 ns
FALL OUT
C = 4.7nF l 42.0 75 ns
OUT
t Output Low-High Propagation Delay C = 1nF l 38.0 70 ns
PLH OUT
C = 4.7nF l 40.0 75 ns
OUT
t Output High-Low Propagation Delay C = 1nF l 32 70 ns
PHL OUT
C = 4.7nF l 35 75 ns
OUT
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All AC timing specificatons are guaranteed by design and are not
production tested.
2
U W U
U WWW