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PDF MIC4124 Data sheet ( Hoja de datos )
| Número de pieza | MIC4124 | |
| Descripción | Dual 3A-Peak Low-Side MOSFET Driver | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MIC4124 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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MIC4123/4124/4125
Micrel, Inc.
MIC4123/4124/4125
Dual 3A-Peak Low-SidwewwM.DOatSaSFheEeTt4UD.croimver
Bipolar/CMOS/DMOS Process
General Description
The MIC4123/4124/4125 family are highly reliable BiC-
MOS/DMOS buffer/driver/MOSFET drivers. They are higher
output current versions of the MIC4126/4127/4128, which
are improved versions of the MIC4426/4427/4428. All three
families are pin-compatible. The MIC4123/4124/4125 driv-
ers are capable of giving reliable service in more demanding
electrical environments than their predecessors. They will
not latch under any conditions within their power and voltage
ratings. They can survive up to 5V of noise spiking, of either
polarity, on the ground pin. They can accept, without either
damage or logic upset, up to half an amp of reverse current
(either polarity) forced back into their outputs.
The MIC4123/4124/4125 series drivers are easier to use, more
flexible in operation, and more forgiving than other CMOS
or bipolar drivers currently available. Their BiCMOS/DMOS
construction dissipates minimum power and provides rail-to-
rail voltage swings.
Primarily intended for driving power MOSFETs, the
MIC4123/4124/4125 drivers are suitable for driving other loads
(capacitive, resistive, or inductive) which require low-imped-
ance, high peak currents, and fast switching times. Heavily
loaded clock lines, coaxial cables, or piezoelectric transducers
are some examples. The only known limitation on loading is
that total power dissipated in the driver must be kept within
the maximum power dissipation limits of the package.
Features
• Reliable, low-power bipolar/CMOS/DMOS construction
• Latch-up protected to >200mA reverse current
• Logic input withstands swing to –5V
• High 3A-peak output current
• Wide 4.5V to 20V operating range
• Drives 1800pF capacitance in 25ns
• Short <50ns typical delay time
• Delay times consistent with in supply voltage change
• Matched rise and fall times
• TTL logic input independent of supply voltage
• Low equivalent 6pF input capacitance
• Low supply current
3.5mA with logic-1 input
350µA with logic-0 input
• Low 2.3Ω typical output impedance
• Output voltage swings within 25mV of ground or VS.
• ‘426/7/8-, ‘1426/7/8-, ‘4426/7/8-compatible pinout
• Inverting, noninverting, and differential configurations
• Exposed backside pad packaging reduces heat
ePAD SOIC-8L (θJA = 58°C/W)
4mm x 4mm MLF™-8L (θJA = 45°C/W)
Functional Diagram
0.1mA
INA 2kΩ
0.6mA
INVERTING
NONINV ERTING
VS
Integrated Component Count:
4 Resistors
4 Capacitors
52 Transistors
O U TA
0.1mA
INB 2kΩ
0.6mA
INVERTING
NONINV ERTING
O U TB
Ground Unused Inputs
GND
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
May 2005
1 M9999-052405
1 page  
MIC4123/4124/4125
Typical Characteristic Curves
Rise Time
vs. Capactive Load
140
120
100
80 5V
60 12V
40
20
1000
20V
1000
10000
CAPACITIVE LOAD (pF)
Propagation Delay
vs. Supply Voltage
100
90
80
70 td2
60
50 td1
40
30
20
10
05
CL
OAD
=
1000pF
10
15
SUPPLY VOLTAGE (V)
20
Fall Time
vs. Capactive Load
140
120
100
80 5V
60 20V
40
20
1000
12V
1000
10000
CAPACITIVE LOAD (pF)
Rise and Fall Time
vs. Supply Voltage
25
20 R i s e T i m e
15
Fall Time
10
5
05 CLOAD
=
1000pF
10
15
SUPPLY VOLTAGE (V)
20
Micrel, Inc.
www.DataSheet4U.com
Output Resistance
vs. Supply Voltage
4.5
4.0
3.5
3.0 Output High
2.5
2.0 Output Low
1.5
1.0
0.5
05 10 15 20
INPUT VOLTAGE (V)
May 2005
5 M9999-052405
5 Page 
MIC4123/4124/4125
Package Information
1
2
3
D
D1
N
E1 E
TOP VIEW
4X P
4X P
N
e
b
D2
PIN1 ID
0.20 R.
1
2
3
E2
L
BOTTOM VIEW
A
A2
0
A1 5
A3
SEATING
PLANE
MIN.
A-
A1 0.00
A2 -
A3
D
D1
D2 2.25
E
E1
E2 3.05
0
P 0.24
e
N
L 0.30
b 0.23
DIMENSION
(mm)
NOM.
0.85
0.01
0.65
0.20 REF.
4.00 BSC
3.75 BSC
2.40
4.00 BSC
3.75 BSC
3.20
0.42
0.65 BSC
8
0.45
0.28
NOTE:
1. ALL DIMENSIONS ARE IN MILLIMETERS .
2. N IS THE NUMBER OF TERMINALS .
THE NUMBER OF TERMINALS PER SIDE IS N/4.
3. THE PIN#1 IDENTIFIRE MUST BE EXISTED ON THE TOP SURFACE
OF PACKAGE BY USING IDENTIFI CATION MARK OR OTHER
FEATURE OF PACKAGE BODY.
4. PACKAGE WARPAGE MAX 0.05mm.
5. APPLIED FOR EXPOSED PAD AND TERMINALS .
MAX.
1.00
0.05
0.80
2.55
3.35
12°
0.60
0.60
0.35
8-Pin 4x4 MLF (ML)
Micrel, Inc.
www.DataSheet4U.com
8-Pin Exposed Pad SOIC (ME)
MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser's
use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser's own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 2004 Micrel Incorporated
M9999-052405
11
May 2005
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MIC4124.PDF ] | |
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