19-1053; Rev 1; 3/08
Single/Dual, 16ns, High Sink/Source
Current Gate Drivers
General Description
The MAX15024/MAX15025 single/dual, high-speed
MOSFET gate drivers are capable of operating at fre-
quencies up to 1MHz with large capacitive loads. The
MAX15024 includes internal source-and-sink output
transistors with independent outputs allowing for control
of the external MOSFET’s rise and fall time. The
MAX15024 is a single gate driver capable of sinking an
8A peak current and sourcing a 4A peak current. The
MAX15025 is a dual gate driver capable of sinking a 4A
peak current and sourcing a 2A peak current. An inte-
grated adjustable LDO voltage regulator provides gate-
drive amplitude control and optimization.
The MAX15024A/C and MAX15025A/C/E/G accept tran-
sistor-to-transistor (TTL) input logic levels while the
MAX15024B/D and MAX15025B/D/F/H accept CMOS-
input logic levels. High sourcing/sinking peak currents, a
low propagation delay, and thermally enhanced pack-
ages make the MAX15024/MAX15025 ideal for high-fre-
quency and high-power circuits. The MAX15024/
MAX15025 operate from a 4.5V to 28V supply. A sepa-
rate output driver supply input enhances flexibility and
permits a soft-start of the power MOSFETs used in syn-
chronous rectifiers.
The MAX15024/MAX15025 are available in 10-pin
TDFN packages and are specified over the -40°C to
+125°C automotive temperature range.
Features
o
8A Peak Sink Current/4A Peak Source Current
(MAX15024)
o
4A Peak Sink Current/2A Peak Source Current
(MAX15025)
o
Low 16ns Propagation Delay
o
4.5V to 28V Supply Voltage Range
o
On-Board Adjustable LDO for Gate-Drive
Amplitude Control and Optimization
o
Separate Output Driver Supply
o
Independent Source and Sink Outputs (MAX15024)
o
Matched Delays Between Inverting and
Noninverting Inputs (MAX15024)
o
Matched Delays Between Channels (MAX15025)
o
CMOS or TTL Logic-Level Inputs with Hysteresis
for Noise Immunity
o
-40°C to +125°C Operating Temperature Range
o
Thermal-Shutdown Protection
o
1.95W Thermally Enhanced TDFN Power Packages
MAX15024/MAX15025
Ordering Information
PART
MAX15024AATB+T
MAX15024BATB+T
MAX15024CATB+T*
MAX15024DATB+T*
MAX15025AATB+T
MAX15025BATB+T
MAX15025CATB+T
MAX15025DATB+T
MAX15025EATB+T*
MAX15025FATB+T*
MAX15025GATB+T*
PIN-PACKAGE
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
10 TDFN-EP**
PKG
CODE
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
T1033-1
TOP
MARK
ATX
ATY
—
—
ATZ
AUA
AUB
AUC
—
—
—
Applications
Synchronous Rectifier Drivers
Power-Supply Modules
Switching Power Supply
Pin Configurations
TOP VIEW
N_OUT
7
P_OUT
PGND
6
DRV
9
REG
10
8
MAX15024
EP*
1
FB/SET
2
V
CC
3
GND
4
IN+
5
IN-
*EP = EXPOSED PAD.
TDFN
MAX15025HATB+T* 10 TDFN-EP**
T1033-1
—
Note:
All devices are specified over the -40°C to +125°C operating
temperature range.
+Denotes
a lead-free package.
*Future
product—contact factory for availability.
**EP
= Exposed pad. T = Tape and reel.
See the Selector Guide at the end of the data sheet.
Pin Configurations continued at end of data sheet.
Block Diagrams appear at end of data sheet.
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Single/Dual, 16ns, High Sink/Source
Current Gate Drivers
MAX15024/MAX15025
ABSOLUTE MAXIMUM RATINGS
Continuous Power Dissipation (T
A
= +70°C)
V
CC
to GND ............................................................-0.3V to +30V
10-Pin TDFN, Single-Layer Board
REG to GND ..............-0.3V to the lower of +22V or (V
CC
+ 0.3V)
(derate 18.5mW/°C above +70°C) ...........................1481.5mW
DRV to PGND .........................................................-0.3V to +22V
Junction-to-Case Thermal Resistance (Note 1) ..............8.5°C/W
IN_ ..........................................................................-0.3V to +22V
10-Pin TDFN, Multilayer Board
FB/SET to GND.........................................................-0.3V to +6V
(derate 24.4mW/°C above +70°C) ...........................1951.2mW
P_OUT to DRV ........................................................-22V to +0.3V
Junction-to-Case Thermal Resistance (Note 1) ..............8.5°C/W
N_OUT to PGND.....................................................-0.3V to +22V
Operating Temperature Range .........................-40°C to +125°C
OUT1, OUT2 to PGND ..............................-0.3V to (V
DRV
+ 0.3V)
Junction Temperature ......................................................+150°C
PGND to GND .......................................................-0.3V to +0.3V
Storage Temperature Range .............................-65°C to +150°C
P_OUT, N_OUT Continuous Source/Sink Current* .......... 200mA
Lead Temperature (soldering, 10s) .................................+300°C
OUT1, OUT2 Continuous Source/Sink Current*................200mA
*Continuous
output current is limited by the power dissipation of the package.
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, see
www.maxim-ic.com/thermal.tutorial.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
MAX15024 ELECTRICAL CHARACTERISTICS
(V
CC
= V
DRV
= V
REG
= 10V, FB/SET = GND, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
=
+ 25°C). (Note 2)
PARAMETER
SYSTEM SPECIFICATIONS
V
CC
powered only, V
REG
=
V
DRV
decoupled with
minimum 1µF to GND
MAX15024B/D
MAX15024A/C
6.5
4.5
6.5
4.5
1.7
700
250
1.5
3.0
3.4
300
V
CC
rising
V
CC
falling
V
REG
V
R
_
DO
12V < V
CC
< 28V, 0 < I
LOAD
< 10mA
V
CC
= 6.5V, I
LOAD
= 100mA
V
CC
= 4.5V, I
LOAD
= 50mA
V
CC
= 12V, I
LOAD
= 0 to 100mA
12V < V
CC
< 28V
External resistive divider connected at
FB/SET
V
FB
falling
V
FB
= 4.5V (Note 3)
-125
1.10
9
100
2
10
0.4
0.2
1
10
1.23
220
+125
1.35
11
0.9
V
0.5
%
mV
V
mV
nA
3.0
3.8
28.0
28.0
18.0
18.0
2.3
1350
V
µA
µA
mA
V
mV
µs
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
V
CC
V
CC
= V
REG
= V
DRV
(MAX15024D)
V
CC
= V
REG
= V
DRV
(MAX15024C)
V
DRV
Turn-On Voltage
Quiescent Supply Current
Quiescent Supply Current
Under UVLO Condition
Switching Supply Current
V
CC
Undervoltage Lockout
V
CC
Undervoltage-Lockout
Hysteresis
V
CC
Undervoltage Lockout to
Output Delay
Output Voltage
Dropout Voltage
Load Regulation
Line Regulation
FB/SET Reference Voltage
FB/SET Threshold
FB/SET Input Leakage Current
UVLO_ V
CC
V
DRV
_
ON
V
CC
= V
REG
= 10V, IN+ = V
CC
, IN- = GND
IN_ = V
CC
or GND
IN_ = V
CC
or GND
Switching at 250kHz, C
L
= 0
V
CC
rising
REG REGULATOR (V
CC
= 12V, REG = V
DRV
, C
L
= 1µF, FB/SET = GND)
V
2
_______________________________________________________________________________________
Single/Dual, 16ns, High Sink/Source
Current Gate Drivers
MAX15024 ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= V
DRV
= V
REG
= 10V, FB/SET = GND, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
=
+ 25°C). (Note 2)
PARAMETER
DRIVER OUTPUT (SINK)
V
CC
= V
REG
= V
DRV
= 10V,
sinking 100mA
Driver Output Resistance
R
ON-N
T
A
= +25°C
T
A
= +125°C
0.45
0.625
0.50
0.7
8
200
500
V
CC
= V
REG
= V
DRV
= 10V,
sourcing 100mA
Driver Output Resistance
R
ON-P
T
A
= +25°C
T
A
= +125°C
0.875
1.2
0.95
1.25
4
500
MAX15024A/C
MAX15024B/D
MAX15024A/C
MAX15024B/D
MAX15024A/C
MAX15024B/D
V
IN
= 18V or GND
-75
0.4
1
0.01
10
+75
2.0
4.25
0.8
2
1.500
2.0
1.65
2.20
A
mA
Ω
0.60
0.850
0.65
0.9
A
nF
mA
Ω
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX15024/MAX15025
V
CC
= V
REG
= V
DRV
= 4.5V, T
A
= +25°C
sinking 100mA
T
A
= +125°C
(MAX15024C/D)
V
N_OUT
= 10V
SOA condition: C
L
x V
DRV2
≤
20µJ,
for V
DRV
= 10V
Peak Output Current
Maximum Load Capacitance
Latchup Robustness
DRIVER OUTPUT (SOURCE)
I
PK-N
V
CC
= V
REG
= V
DRV
= 4.5V, T
A
= +25°C
sourcing 100mA
T
A
= +125°C
(MAX15024C/D)
V
P_OUT
= 0V
Peak Output Current
Latchup Robustness
LOGIC INPUTS
Logic 1 Input Voltage
Logic 0 Input Voltage
Logic Input Hysteresis
Logic Input Current Leakage
Input Capacitance
I
PK-P
V
IH
V
IL
V
V
V
µA
pF
SWITCHING CHARACTERISTICS FOR V
CC
= V
DRV
= V
REG
= 10V, P_OUT AND N_OUT ARE CONNECTED TOGETHER
(see Figure 1)
C
LOAD
= 1nF
Rise Time
t
R
C
LOAD
= 5nF
C
LOAD
= 10nF
C
LOAD
= 1nF
Fall Time
Turn-On Delay Time
Turn-Off Delay Time
Mismatch Propagation Delays
from Inverting and Noninverting
Inputs to Output
t
F
t
D-ON
t
D-OFF
C
LOAD
= 5nF
C
LOAD
= 10nF
C
LOAD
= 1nF (Note 3)
C
LOAD
= 1nF (Note 3)
C
LOAD
= 1nF
8
8
3
12
24
3
8
16
16
16
1
32
32
ns
ns
ns
ns
ns
_______________________________________________________________________________________
3
Single/Dual, 16ns, High Sink/Source
Current Gate Drivers
MAX15024/MAX15025
MAX15024 ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= V
DRV
= V
REG
= 10V, FB/SET = GND, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
=
+ 25°C). (Note 2)
PARAMETER
SYMBOL
C
LOAD
= 1nF
Rise Time
t
R
C
LOAD
= 5nF
C
LOAD
= 10nF
C
LOAD
= 1nF
Fall Time
Turn-On Delay Time
Turn-Off Delay Time
Mismatch Propagation Delays
from Inverting and Noninverting
Inputs to Output
Minimum Input Pulse Width that
Changes the Output
THERMAL CHARACTERISTICS
Thermal-Shutdown
Temperature
Thermal-Shutdown
Temperature Hysteresis
Temperature rising
+160
15
°C
°C
t
PW
t
F
t
D-ON
t
D-OFF
C
LOAD
= 5nF
C
LOAD
= 10nF
C
LOAD
= 1nF
C
LOAD
= 1nF
C
LOAD
= 1nF
CONDITIONS
MIN
TYP
3
11
22
2.5
8
16
18
18
2
ns
ns
ns
ns
ns
MAX
UNITS
SWITCHING CHARACTERISTICS FOR V
CC
= V
DRV
= V
REG
= 4.5V (see Figure 1) (MAX15024C/D)
15
ns
MAX15025 ELECTRICAL CHARACTERISTICS
(V
CC
= V
DRV
= V
REG
= 10V, FB/SET = GND, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
=
+25°C). (Note 2)
PARAMETER
SYSTEM SPECIFICATIONS
V
CC
powered only,
MAX15025B/D/F/H
V
REG
= V
DRV
decoupled with
minimum 1µF
MAX15025A/C/E/G
to GND
V
CC
= V
REG
= V
DRV
(MAX15025F/H)
V
CC
= V
REG
= V
DRV
(MAX15025E/G)
V
DRV
Turn-On Voltage
Quiescent Supply Current
Quiescent Supply Current
Under UVLO Condition
Switching Supply Current
V
CC
Undervoltage Lockout
UVLO_ V
CC
V
DRV
_
ON
V
CC
= V
REG
= 10V, IN1 = V
CC
, IN2 = V
CC
(MAX15025A/B/E/F) or GND for
(MAX15025C/D/G/H)
IN_ = V
CC
or GND
IN_ = V
CC
or GND
Switching at 250kHz, C
L
= 0
V
CC
rising
3.0
6.5
4.5
6.5
4.5
1.7
700
250
1.5
3.4
3.0
3.8
28
28
18.0
18.0
2.3
1350
V
µA
µA
mA
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
V
CC
V
4
_______________________________________________________________________________________
Single/Dual, 16ns, High Sink/Source
Current Gate Drivers
MAX15025 ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= V
DRV
= V
REG
= 10V, FB/SET = GND, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
=
+25°C). (Note 2)
PARAMETER
V
CC
Undervoltage-Lockout
Hysteresis
V
CC
Undervoltage Lockout to
Output Delay
Output Voltage
Dropout Voltage
Load Regulation
Line Regulation
FB/SET Reference Voltage
FB/SET Threshold
FB/SET Input Leakage Current
DRIVER OUTPUT SINK
V
CC
= V
REG
= V
DRV
= 10V,
sinking 100mA
Driver Output Resistance
R
ON-N
V
CC
= V
REG
= V
DRV
= 4.5V,
sinking 100mA
(MAX15025E/F/G/H)
V
OUT_
= 10V
SOA condition: C
L
x V
DRV2
≤
20µJ,
for V
DRV
= 10V
T
A
= +25°C
T
A
= +125°C
T
A
= +25°C
T
A
= +125°C
1.0
1.25
1.10
1.5
4
100
500
V
CC
= V
REG
= V
DRV
= 10V,
sourcing 100mA
Driver Output Resistance
R
ON-P
V
CC
= V
REG
= V
DRV
= 4.5V,
sourcing 100mA
(MAX15025E/F/G/H)
V
OUT_
= 0V
T
A
= +25°C
T
A
= +125°C
T
A
= +25°C
T
A
= +125°C
1.75
2.25
1.85
2.50
2
500
MAX15025A/C/E/G
MAX15025B/D/F/H
MAX15025A/C/E/G
MAX15025B/D/F/H
MAX15025A/C/E/G
MAX15025B/D/F/H
V
IN
= 18V or GND
-75
0.4
1
+0.01
10
+75
2.0
4.25
0.8
2
2.50
3.50
2.60
3.75
A
mA
Ω
1.6
2.10
1.65
2.2
A
nF
mA
Ω
V
REG
V
R
_
DO
V
CC
rising
V
CC
falling
12V < V
CC
< 28V, 0 < I
LOAD
< 10mA
V
CC
= 6.5V, I
LOAD
= 100mA
V
CC
= 4.5V, I
LOAD
= 50mA
V
CC
= 12V, I
LOAD
= 0 to 100mA
12V < V
CC
< 28V
External resistive divider connected at
FB/SET
V
FB
rising
V
FB
= 4.5V
-125
1.10
9
SYMBOL
CONDITIONS
MIN
TYP
300
100
2
10
0.4
0.2
1
10
1.23
220
+125
1.35
11
0.9
0.5
MAX
UNITS
mV
µs
MAX15024/MAX15025
REG REGULATOR (V
CC
= 12V, V
REG
= V
DRV
, C
L
= 1µF, FB/SET = GND)
V
V
%
mV
V
mV
nA
Peak Output Current
Maximum Load Capacitance
Latchup Robustness
DRIVER OUTPUT SOURCE
I
PK-N
Peak Output Current
Latchup Robustness
LOGIC INPUTS
Logic 1 Input Voltage
Logic 0 Input Voltage
Logic Input Hysteresis
Logic Input Current Leakage
Input Capacitance
I
PK-P
V
IH
V
IL
V
V
V
µA
pF
_______________________________________________________________________________________
5
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