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Linear Technology Electronic Components Datasheet

LTC1693 Datasheet

High Speed Single/Dual MOSFET Drivers

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LTC1693 pdf
FEATURES
s Dual MOSFET Drivers in SO-8 Package
or Single MOSFET Driver in MSOP Package
s 1GElectrical Isolation Between the Dual Drivers
Permits High/Low Side Gate Drive
s 1.5A Peak Output Current
s 16ns Rise/Fall Times at VCC = 12V, CL = 1nF
s Wide VCC Range: 4.5V to 13.2V
s CMOS Compatible Inputs with Hysteresis,
Input Thresholds are Independent of VCC
s Driver Input Can Be Driven Above VCC
s Undervoltage Lockout
s Thermal Shutdown
U
APPLICATIO S
s Power Supplies
s High/Low Side Drivers
s Motor/Relay Control
s Line Drivers
s Charge Pumps
LTC1693
High Speed
Single/Dual MOSFET Drivers
DESCRIPTIO
The LTC®1693 family drives power MOSFETs at high
speed. The 1.5A peak output current reduces switching
losses in MOSFETs with high gate capacitance.
The LTC1693-1 contains two noninverting drivers. The
LTC1693-2 contains one noninverting and one inverting
driver. The LTC1693-1 and LTC1693-2 drivers are electri-
cally isolated and independent. The LTC1693-3 is a single
driver with an output polarity select pin.
The LTC1693 has VCC independent CMOS input thresh-
olds with 1.2V of typical hysteresis. The LTC1693 can
level-shift the input logic signal up or down to the rail-to-
rail VCC drive for the external MOSFET.
The LTC1693 contains an undervoltage lockout circuit and
a thermal shutdown circuit. Both circuits disable the
external N-channel MOSFET gate drive when activated.
The LTC1693-1 and LTC1693-2 come in an 8-lead SO pack-
age. The LTC1693-3 comes in an 8-lead MSOP package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
VIN
48VDC
±10%
RETURN
+ C1
330µF
63V
Two Transistor Foward Converter
C2
1.5µF
63V
R1
0.068
D1
MURS120
12V
C11
0.1µF
C9
1800pF
5%
NPO
C10 R9
0.1µF 12k
C14
3300pF
C5 D2
1µF MURS120
17
R5
2.49k
1%
C12
100pF
12VIN
BOOST
1 LT1339 TG
SYNC
2
5VREF
4
SL/ADJ
TS
SENSE +
3
CT
5
IAVG
6
SS
SENSE
BG
PHASE
7
VC
10
VREF
RUN/SHDN
VFB
SGND PGND
20
19
BAT54
18
11 R6 100
12 R7 100
16
14
13
9
C15 8
0.1µF
15
R8
301k
1%
R10
10k
1%
1 LTC1693CS8-2 8
IN1 VCC1
27
GND1 OUT1
3
IN2
4
GND2
6
VCC2
5
OUT2
C7
1µF
1 LTC1693CS8-2 8
IN1 VCC1
27
GND1 OUT1
3
IN2
4
GND2
6
VCC2
5
OUT2
C8
1µF
C13
1µF
Q1
MTD20NO6HD
T1
13:2
D3
MURS120
Q3
MTD20NO6HD
••
Q4
Si4420
C3
4700pF
25V
R2
5.1
Q2
Si4420
×2
D4
MBRO530T1
C1: SANYO 63MV330GX
C2: WIMA SMD4036/1.5/63/20/TR
C6: KEMET T510X477M006AS (×8)
L1: GOWANDA 50-318
T1: GOWANDA 50-319
L1
1.5µH
C4
0.1µF
+ C6
470µF
6.3V
×8
VOUT
1.5V/15A
R3
249
1%
R4
1.24k
1%
RETURN
1693 TA01
1


Linear Technology Electronic Components Datasheet

LTC1693 Datasheet

High Speed Single/Dual MOSFET Drivers

No Preview Available !

LTC1693 pdf
LTC1693
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (VCC) .............................................. 14V
Inputs (IN, PHASE) ................................... – 0.3V to 14V
Driver Output ................................. – 0.3V to VCC + 0.3V
GND1 to GND2 (Note 5) ..................................... ±100V
Junction Temperature .......................................... 150°C
Operating Ambient Temperature Range ....... 0°C to 70°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
TOP VIEW
IN1 1
GND1 2
IN2 3
GND2 4
8 VCC1
7 OUT1
6 VCC2
5 OUT2
IN1 1
GND1 2
IN2 3
GND2 4
8 VCC1
7 OUT1
6 VCC2
5 OUT2
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 135°C/ W
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 135°C/ W
ORDER PART
NUMBER
S8 PART
MARKING
ORDER PART
NUMBER
S8 PART
MARKING
LTC1693-1CS8
16931
LTC1693-2CS8
16932
Consult factory for Industrial and Military grade parts.
TOP VIEW
IN 1
NC 2
PHASE 3
GND 4
8 VCC
7 OUT
6 NC
5 NC
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 200°C/ W
ORDER PART
NUMBER
LTC1693-3CMS8
MS8 PART
MARKING
LTEB
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 12V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
VCC Supply Voltage Range
ICC Quiescent Current
LTC1693-1, LTC1693-2, IN1 = IN2 = 0V (Note 2)
LTC1693-3, PHASE = 12V, IN = 0V
4.5
q 400
q 200
13.2
720 1100
360 550
ICC(SW) Switching Supply Current
Input
LTC1693-1, LTC1693-2, COUT = 4.7nF, fIN = 100kHz q
LTC1693-3, COUT = 4.7nF, fIN = 100kHz
q
14.4 20
7.2 10
VIH
VIL
IIN
VPH
IPH
Output
High Input Threshold
Low Input Threshold
Input Pin Bias Current
PHASE Pin High Input Threshold
PHASE Pin Pull-Up Current
(Note 3)
PHASE = 0V (Note 3)
q 2.2
q 1.1
q
q 4.5
q 10
2.6
1.4
± 0.01
5.5
20
3.1
1.7
±10
6.5
45
VOH
VOL
RONL
RONH
IPKL
IPKH
High Output Voltage
Low Output Voltage
Output Pull-Down Resistance
Output Pull-Up Resistance
Output Low Peak Current
Output High Peak Current
IOUT = –10mA
IOUT = 10mA
q 11.92
q
11.97
30
2.85
3.00
1.70
1.40
75
UNITS
V
µA
µA
mA
mA
V
V
µA
V
µA
V
mV
A
A
2


Part Number LTC1693
Description High Speed Single/Dual MOSFET Drivers
Maker Linear Technology
Total Page 20 Pages
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LTC1693 pdf
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