MD1213
High-Speed Dual-MOSFET Driver
Features
General Description
•
•
•
•
•
•
•
•
•
•
The MD1213 is a high-speed dual-MOSFET driver. It is
designed to drive high-voltage P-channel and
N-channel MOSFETs for medical ultrasound and other
applications requiring a high-output current for a
capacitive load. The high-speed input stage of the
MD1213 can operate from 1.8V to 5V logic interface
with an optimum operating input signal range of 1.8V to
3.3V. An adaptive threshold circuit is used to set the
level translator switch threshold to the average of the
input logic 0 and logic 1 levels. The input logic levels
may be ground referenced even though the driver is
putting out bipolar signals. The level translator uses a
proprietary circuit, which provides DC coupling
together with high-speed operation.
6 ns Rise and Fall Time with 1000 pF Load
2A Peak Output Source and Sink Currents
1.8V to 5V Input CMOS Compatible
4.5V to 13V Total Supply Voltage
Smart Logic Threshold
Low-Jitter Design
Two Matched Channels
Outputs can Swing Below Ground
Low-Inductance Package
Thermally Enhanced Package
Applications
•
•
•
•
•
•
The output stage of the MD1213 has separate power
connections enabling the output signal L and H levels
to be chosen independently from the supply voltages
used for the majority of the circuit. As an example, the
input logic levels may be 0V and 1.8V, the control logic
may be powered by +5V to –5V, and the output L and
H levels may be varied anywhere over the range of –5V
to +5V. The output stage is capable of peak currents of
up to ±2A, depending on the supply voltages used and
load capacitance present.
Medical Ultrasound Imaging
Piezoelectric Transducer Drivers
Non-Destructive Testing
PIN Diode Driver
CCD Clock Driver/Buffer
High-Speed Level Translator
The OE pin serves a dual purpose. First, its
logic H level is used to compute the threshold voltage
level for the channel input level translators. Second,
when OE is low, the outputs are disabled with the A
output high and the B output low. This assists in
properly pre-charging the AC coupling capacitors that
may be used in series in the gate drive circuit of an
external PMOS and NMOS transistor pair.
Package Type
12-lead QFN
(Top view)
12
1
See Table 2-1 for pin information.
2017 Microchip Technology Inc.
DS20005713B-page 1
MD1213
Functional Block Diagram
VDD1
OE
Level
Shifter
INA
Level
Shifter
VDD2
VH
OUTA
VSS2
VL
VH
VDD2
INB
OUTB
Level
Shifter
SUB
GND
DS20005713B-page 2
VSS1
VSS2
VL
2017 Microchip Technology Inc.
MD1213
Typical Application Circuit
+5.0V
VDD1
OE
Level
Shifter
INA
Level
Shifter
VDD2
VH
0.47µF
MD1213
+100V
OUTA
1.0µF
10nF
3.3V
CMOS
Logic
Inputs
VSS2
To
Piezoelectric
Transducer
VL
VH
VDD2
10nF
INB
Level
Shifter
OUTB
-100V
TC6320
1.0µF
-5.0V
GND
2017 Microchip Technology Inc.
VSS1
VSS2
VL
0.47µF
DS20005713B-page 3
MD1213
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings†
Level Translator Supply Voltage, VDD–VSS ...........................................................................................–0.5V to +13.5V
Output High Supply Voltage, VH ................................................................................................. VL–0.5V to VDD + 0.5V
Output Low Supply Voltage, VL ................................................................................................... VSS–0.5V to VH+ 0.5V
Low-Side Supply Voltage, VSS ................................................................................................................. –7V to + 0.5V
Logic Input Pins .......................................................................................................................... VSS–0.5V to GND +7V
Maximum Junction Temperature, TJ .................................................................................................................. +125°C
Operating Ambient Temperature, TA ..................................................................................................... –40°C to +85°C
Storage Temperature, TS ......................................................................................................................–65°C to +150°C
ESD Rating (Note 1) ............................................................................................................................... ESD Sensitive
† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only, and functional operation of the device at those or any other conditions above those
indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for
extended periods may affect device reliability.
Note 1: Device is ESD sensitive. Handling precautions are recommended.
DC ELECTRICAL CHARACTERISTICS
Electrical Specifications: Over operating conditions unless otherwise specified, VH = VDD1 = VDD2 = 12V,
VL = VSS1 = VSS2 = 0V, VOE = 3.3V, TA = 25°C.
Parameter
Sym.
Min.
Typ.
Max.
Unit
VDD–VSS
4.5
—
13
V
Level Translator Negative
Supply Voltage
VSS
–5.5
—
0
V
Output High Supply Voltage
VH
VSS +2
—
VDD
V
Output Low Supply Voltage
VDD –2
V
Level Translator
Supply Voltage
VL
VSS
—
VDD1 Quiescent Current
IDD1Q
—
0.55
—
mA
VDD2 Quiescent Current
IDD2Q
—
—
10
µA
Conditions
2.5V ≤ VDD ≤ 13V
No input transitions
VH Quiescent Current
IHQ
—
—
10
µA
VDD1 Average Current
IDD1
—
0.88
—
mA
VDD2 Average Current
IDD2
—
6.6
—
mA
VH Average Current
IH
—
23
—
mA
Input Logic Voltage High
VIH
VOE–0.3
—
5
V
Input logic Voltage Low
VIL
0
—
0.3
V
Input Logic Current High
IIH
—
—
1
µA
Input Logic Current Low
IIL
—
—
1
µA
OE Input Logic Voltage High
VIH
1.8
—
5
V
OE Input Logic Voltage Low
VIL
0
—
0.3
V
OE Input Logic Impedance
to GND
RIN
12
20
30
KΩ
Logic Input Capacitance
CIN
—
5
10
pF
All inputs
Output Sink Resistance
RSINK
—
—
12.5
Ω
ISINK = 50 mA
Output Source Resistance
RSOURCE
—
—
12.5
Ω
ISOURCE = 50 mA
Peak Output Sink Current
ISINK
—
2
—
A
ISOURCE
—
2
—
A
Peak Output Source Current
DS20005713B-page 4
One channel on at 5 MHz,
no load
For logic inputs INA and INB
For logic input OE
2017 Microchip Technology Inc.
MD1213
AC ELECTRICAL CHARACTERISTICS
Electrical Specifications: VH = VDD1 = VDD2 = 12V, VL = VSS1 = VSS2 = 0V, VOE = 3.3V, TA = 25°C.
Parameter
Sym.
Min.
Typ.
Max.
Unit
tirf
—
—
10
ns
Propagation Delay when
Output is from Low to High
tPLH
—
7
—
ns
Propagation Delay when
Output is from High to Low
tPHL
—
7
—
ns
Propagation Delay OE
to Outputs
tPOE
—
9
—
ns
Output Rise Time
tr
—
6
—
ns
Output Fall Time
tf
—
6
—
ns
Rise and Fall Time Matching
l tr–tf l
—
1
—
ns
Propagation Low to High and
High-to-low Matching
l tPLH–tPHL l
—
1
—
ns
∆tdm
—
±2
—
ns
Sym.
Min.
Typ.
Max.
Unit
TJ
—
—
+125
°C
Operating Ambient Temperature
TA
–40
—
+85
°C
Storage Temperature
TS
–65
—
+150
°C
12-lead QFN
JA
—
47
—
°C/W
Thermal Resistance to Case
θJC
—
7
—
°C/W
Inputs or OE Rise
and Fall Time
Propagation Delay Match
Conditions
Logic input edge speed
requirement
CLOAD = 1000 pF, input signal
rise/fall time of 2 ns (See Timing Diagram and Figure 3-1.)
CLOAD = 1000 pF, input signal
rise/fall time of 2 ns (See Timing Diagram.)
For each channel
Device-to-device delay match
TEMPERATURE SPECIFICATIONS
Parameter
Conditions
TEMPERATURE RANGE
Maximum Junction Temperature
PACKAGE THERMAL RESISTANCE
Note 1:
Note 1
On an 1 oz. 4-layer 3” x 4” PCB with thermal pad and thermal via array
2017 Microchip Technology Inc.
DS20005713B-page 5
MD1213
Timing Diagram
3.3V
IN
50%
50%
0V
tPLH
tPHL
90%
90%
OUT
10%
0V
TABLE 1-1:
10%
tr
tf
TRUTH FUNCTION TABLE
Logic Input
OE
INA
H
H
H
H
L
DS20005713B-page 6
Output
INB
OUTA
OUTB
L
L
VH
VH
L
H
VH
VL
H
L
VL
VH
H
H
VL
VL
X
X
VH
VL
2017 Microchip Technology Inc.
MD1213
2.0
PIN DESCRIPTION
The details on the pins of MD1213 are listed on
Table 2-1. See Package Type for the location of pins.
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
Pin Name
1
INA
Logic input. Controls OUTA when OE is high. Input logic high will cause the output to
swing to VL. Input logic low will cause the output to swing to VH. (See Figure 3-2.)
2
VL
Supply voltage for N-channel output stage
3
INB
Logic input. Controls OUTB when OE is high. Input logic high will cause the output to
swing to VL. Input logic low will cause the output to swing to VH. (See Figure 3-2.)
4
GND
Logic input ground reference
5
VSS1
Low-side analog circuit and level translator supply voltage. VSS1 must be at the lowest
potential of the chip. Thermal Pad and Pin 5 must be connected externally.
6
VSS2
Low-side gate drive supply voltage. VSS2 should be at the same potential as VSS1.
7
OUTB
Output driver. Swings from VH to VL. Intended to drive the gate of an external
N-channel MOSFET via a series capacitor. When OE is low, the output is disabled.
OUTB will swing to VL, turning off the external N-channel MOSFET.
8
VH
9
OUTA
Output driver. Swings from VH to VL. Intended to drive the gate of an external
P-channel MOSFET via a series capacitor. When OE is low, the output is disabled.
OUTA will swing to VH, turning off the external P-channel MOSFET.
10
VDD2
High-side gate drive supply voltage
11
VDD1
High-side analog circuit and level shifter supply voltage. Should be at the same
potential as VDD2.
12
OE
Thermal Pad
Description
Supply voltage for P-channel output stage
Output-enable logic input. When OE is high, (VOE + VGND)/2 sets the threshold transition between logic level high and low for INA and INB. When OE is low, OUTA is at VH
and OUTB is at VL regardless of INA and INB.
Index Pad and Thermal Pad are connected internally.
2017 Microchip Technology Inc.
DS20005713B-page 7
MD1213
APPLICATION INFORMATION
For proper operation of the MD1213, low-inductance
bypass capacitors should be used on the various
supply pins. The GND input pin should be connected to
the digital ground. The INA, INB and OE pins should be
connected to their logic source with a swing of GND to
logic level 1.8V to 5V. Good PCB layout trace practices
should be followed corresponding to the desired
operating speed. The internal circuitry of the MD1213
is capable of operating up to 100 MHz, with the primary
speed limitation being the loading effect of the load
capacitance. Because of this speed and the high
transient currents due to the capacitive loads, the
bypass capacitors should be as close to the chip pins
as possible. Unless the load specifically requires
bipolar drive, the VSS1, VSS2, and VL pins should have
low-inductance feed-through connections to a ground
plane. The power connections VDD1 and VDD2 should
have a ceramic bypass capacitor to the ground plane
with short leads and decoupling components to prevent
resonance in the power leads. A common capacitor
and voltage source may be used for these two pins,
which should always have the same applied DC
voltage. For applications sensitive to jitter and noise,
separate decoupling networks may be used for VDD1
and VDD2.
Propagation Delay vs. Logic Voltage
Propagation Delay (ns)
10
2.0
VOE/2
1.5
1.0
0.6V
0.5
0
0
1.0
2.0
3.0
4.0
5.0
VOE (volts)
FIGURE 3-2:
Logic Input Threshold.
Pay particular attention to minimizing trace lengths and
using sufficient trace width to reduce inductance.
Surface-mount components are highly recommended.
Since the output impedance of this driver is very low, in
some cases, it may be desirable to add a small series
resistor in series with the output signal to obtain better
waveform integrity at the load terminals. This will
reduce the output voltage slew rate at the terminals of
a capacitive load.
Focus on parasitic coupling from the driver output to
the input signal terminals. This feedback may cause
oscillations or spurious waveform shapes on the edges
of signal transitions. Since the input operates with
signals down to 1.8V, even small coupled voltages may
cause problems. Use of a solid ground plane and good
power and signal layout practices will prevent this
problem. Make sure that the circulating ground return
current from a capacitive load will not react with
common inductance and cause noise voltages in the
input logic circuitry.
9.0
8.0
7.0
6.0
1.0
VTH vs. VOE
2.5
VTH (volts)
3.0
1.5
2.0
2.5
3.0
3.5
Logic Voltage (V)
FIGURE 3-1:
Propagation Delay.
The supplied voltages of VH and VL determine the
output logic levels. These two pins can draw fast
transient currents of up to 2A, so they should be
provided with a suitable bypass capacitor located next
to the chip pins. A ceramic capacitor of up to 1 µF may
be appropriate, with a series ferrite bead to prevent
resonance in the power supply lead going to the
capacitor.
DS20005713B-page 8
2017 Microchip Technology Inc.
MD1213
4.0
PACKAGING INFORMATION
4.1
Package Marking Information
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
12-lead QFN
Example
XXXXXX
XXXXXX
e3 YYWW
NNN
MD
1213K6
e3 1721
165
Product Code or Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available characters
for product code or customer-specific information. Package may or not include
the corporate logo.
2017 Microchip Technology Inc.
DS20005713B-page 9
MD1213
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
DS20005713B-page 10
2017 Microchip Technology Inc.
MD1213
APPENDIX A:
REVISION HISTORY
Revision B (June 2017)
The following is the list of modifications:
• Updated the operating ambient temperature in
Absolute Maximum Ratings† and in the
Temperature Specifications table.
• Made minor text changes throughout the
document.
Revision A (April 2017)
• Converted Supertex Doc# DSFP-MD1213 to
Microchip DS20005713B
• Updated the package marking format
• Changed the quantity of the 12-lead QFN K6
package from 3000/Reel to 5000/Reel
• Made minor text changes throughout the
document
2017 Microchip Technology Inc.
DS20005713B-page 11
MD1213
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office.
XX
PART NO.
Device
-
Package
Options
X
-
Environmental
X
Media Type
Device:
MD1213
=
High-Speed Dual-MOSFET Driver
Package:
K6
=
12-lead QFN
Environmental:
G
=
Lead (Pb)-free/RoHS-compliant Package
Media Type:
(blank)
=
5000/Reel for a K6 Package
DS20005713B-page 12
Example:
a)
MD1213K6-G:
High-Speed Dual-MOSFET Driver
12-lead (4x4) QFN, 5000/Reel
2017 Microchip Technology Inc.
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Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
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•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
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Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
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Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
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© 2017, Microchip Technology Incorporated, All Rights Reserved.
ISBN: 978-1-5224-1803-0
== ISO/TS 16949 ==
2017 Microchip Technology Inc.
DS20005713B-page 13
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DS20005713B-page 14
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Fax: 65-6334-8850
Taiwan - Hsin Chu
Tel: 886-3-5778-366
Fax: 886-3-5770-955
Taiwan - Kaohsiung
Tel: 886-7-213-7830
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Taipei
Tel: 886-2-2508-8600
Fax: 886-2-2508-0102
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
France - Paris
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79
France - Saint Cloud
Tel: 33-1-30-60-70-00
Germany - Garching
Tel: 49-8931-9700
Germany - Haan
Tel: 49-2129-3766400
Germany - Heilbronn
Tel: 49-7131-67-3636
Germany - Karlsruhe
Tel: 49-721-625370
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Germany - Rosenheim
Tel: 49-8031-354-560
Israel - Ra’anana
Tel: 972-9-744-7705
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Italy - Padova
Tel: 39-049-7625286
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Norway - Trondheim
Tel: 47-7289-7561
Poland - Warsaw
Tel: 48-22-3325737
Romania - Bucharest
Tel: 40-21-407-87-50
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
Sweden - Gothenberg
Tel: 46-31-704-60-40
Sweden - Stockholm
Tel: 46-8-5090-4654
UK - Wokingham
Tel: 44-118-921-5800
Fax: 44-118-921-5820
2017 Microchip Technology Inc.
11/07/16