MICROCHIP TC4627EOE

TC4626/TC4627
Power CMOS Drivers With Voltage Tripler
Package Type
Features
•
•
•
•
•
•
8-Pin PDIP/CERDIP
Power Driver With On Board Voltage Booster
Low IDD – <4mA
Small Package – 8-Pin PDIP
Under-Voltage Circuitry
Fast Rise-Fall Time – <40nsec @1000pF
Below-Rail Input Protection
C1–
1
8
C1+
2
7 IN
C2
3
GND
4
TC4626
TC4627
VDD
6 VBOOST
5 OUT
16-Pin SOIC (Wide)
Applications
• Raises 5V to drive higher – Vgs (ON) MOSFETs
• Eliminates one system power supply
Device Selection Table
Part
Number
Package
TC4626COE
16-Pin SOIC (Wide)
-55°C to +125°C
TC4626CPA
8-Pin PDIP
-40°C to +85°C
TC4626EOE
16-Pin SOIC (Wide)
-40°C to +85°C
TC4626EPA
8-Pin PDIP
0°C to +70°C
TC4626MJA
8-Pin CERDIP
0°C to +70°C
TC4627COE
16-Pin SOIC (Wide)
-55°C to +125°C
TC4627CPA
8-Pin PDIP
-40°C to +85°C
TC4627EOE
16-Pin SOIC (Wide)
-40°C to +85°C
TC4627EPA
8-Pin PDIP
0°C to +70°C
TC4627MJA
8-Pin CERDIP
0°C to +70°C
Temp. Range
C1–
1
16 VDD
NC
2
15 NC
C1+
3
14 NC
NC
4
13 IN
C2
5
NC
6
11 VBOOST
NC
7
10 NC
GND
8
9 OUT
TC4626
TC4627 12 NC
General Description
The TC4626/TC4627 are single CMOS high speed
drivers with an on-board voltage boost circuit. These
parts work with an input supply voltage from 4 to 6 volts.
The internal voltage booster will produce a VBOOST
potential up to 12 volts above VIN. This V BOOST is not
regulated, so its voltage is dependent on the input VDD
voltage and output drive loading requirements. An
internal undervoltage lockout circuit keeps the output in
a low state when VBOOST drops below 7.8 volts. Output
is enabled when VBOOST is above 11.3 volts.
Functional Block Diagram
EXT +
C1
EXT +
C2
2
C1+
VBOOST
(Unregulated 3 x VDD)
6
1
C1-
3
C2
V = 2 x VDD
EXT +
C3
Voltage
Booster
UV LOCK
Noninverting
TC4627
5
VDD
In
GND
8
Output
Clock
7
Inverting
TC4626
4
NOTE: Pin numbers correspond to 8-pin package.
 2002 Microchip Technology Inc.
DS21426B-page 1
TC4626/TC4627
1.0
ELECTRICAL
CHARACTERISTICS
*Stresses above 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 above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
Absolute Maximum Ratings*
Supply Voltage ......................................................6.2V
Input Voltage, Any Terminal
..................................... VS + 0.3V to GND – 0.3V
Package Power Dissipation (TA ≤ 70°C)
PDIP .........................................................730mW
CERDIP....................................................800mW
SOIC ........................................................760mW
Derating Factor
PDIP .......5.6 mW/°C Above 36°C
CERDIP................................................6.0mW/°C
Operating Temperature Range (Ambient)
C Version......................................... 0°C to +70°C
E Version ...................................... -40°C to +85°C
M Version ................................... -55°C to +125°C
Storage Temperature Range .............. -65°C to +150°C
TC4626/TC4627 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: TA = +25°C, VDD = 5V, C1 = C2 = C 3 10µF unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
—
—
V
Test Conditions
Input
VIH
Logic 1, High Input Voltage
2.4
VIL
Logic 0, Low Input Voltage
—
—
0.8
V
IIN
Input Current
-1
—
1
µA
—
—
V
0V ≤ VIN ≤ VDRIVE
Output
VOH
High Output Voltage
VBOOST – 0.025
VOL
Low Output Voltage
—
—
0.025
V
RO
Output Resistance, High
—
10
15
Ω
IOUT = 10mA, VDD = 5V
RO
Output Resistance, Low
—
8
10
Ω
IOUT = 10mA, VDD = 5V
IPK
Peak Output Current
—
1.5
—
A
Switching Time
tR
Rise Time
—
33
40
nsec
Figure 3-1, Figure 3-2
tF
Fall Time
—
27
35
nsec
Figure 3-1, Figure 3-2
tD1
Delay Time
—
35
45
nsec
Figure 3-1, Figure 3-2
tD2
Delay Time
—
45
55
nsec
Figure 3-1, Figure 3-2
FMAX
Maximum Switching Frequency
1.0
—
—
MHz
VDD = 5V, VBOOST > 8.5V,
Figure 3-1
R3
Voltage Tripler Output
Source Resistance
—
300
400
Ω
R2
Voltage Doubler Output
Source Resistance
—
120
200
Ω
FOSC
Oscillator Frequency
12
—
28
kHz
VOSC
Oscillator Amplitude Measured
at C1-
4.5
—
10
V
UV @VBOOST
Undervoltage Threshold
7.0
7.8
8.5
V
VSTART @VBOOST
Start Up Voltage
10.5
11.3
12
V
VBOOST
@VDD = 5V
14.6
—
—
V
Voltage Booster
DS21426B-page 2
IL = 10mA, VDD = 5V
RLOAD = 10kΩ
No Load
 2002 Microchip Technology Inc.
TC4626/TC4627
TC4626/TC4627 ELECTRICAL SPECIFICATIONS (CONTINUED)
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
Power Supply
IDD
Power Supply Current
—
—
2.5
mA
VDD
Supply Voltage
4.0
—
6.0
V
VIN = LOW or HIGH
Electrical Characteristics: Over operating temperature range, VDD = 5V, C1 = C2 = C3 10µF unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
Input
VIH
Logic 1, High Input Voltage
2.4
—
—
V
VIL
Logic 0, Low Input Voltage
—
—
0.8
V
IIN
Input Current
-10
—
1
µA
0V ≤ VIN ≤ VBOOST
Output
VOH
High Output Voltage
VDRIVE – 0.025
—
—
V
VOL
Low Output Voltage
—
—
0.025
V
RO
Output Resistance, High
—
15
15
20
25
10
10
13
15
1.5
—
RO
IPK
Output Resistance, Low
Peak Output Current
—
—
Ω
IOUT = 10mA, VDD = 5V
C & E Version (TA = 70°C or 85°C)
M Version (TA = 125°C)
Ω
IOUT = 10mA, VDD = 5V
C & E Version (TA = 70°C or 85°C)
M Version (TA = 125°C)
A
Switching Time
tR
Rise Time
—
—
55
nsec
Figure 3-1, Figure 3-2
tF
Fall Time
—
—
50
nsec
Figure 3-1, Figure 3-2
tD1
Delay Time
—
—
60
nsec
Figure 3-1, Figure 3-2
tD2
Delay Time
—
—
70
nsec
Figure 3-1, Figure 3-2
FMAX
Maximum Switching Frequency
750
—
—
kHz
VDD = 5V, VBOOST > 8.5V,
Figure 3-1
Voltage Booster
R3
Voltage Boost Output
Source Resistance
—
400
500
Ω
R2
Voltage Doubler Output
Source Resistance
—
170
300
Ω
FOSC
Oscillator Frequency
5
—
50
kHz
VOSC
Oscillator Amplitude
Measured at C1-
4.5
—
10
V
UV @V BOOST
Undervoltage Threshold
7.0
7.8
8.5
V
VSTART @VBOOST
Start Up Voltage
10.5
11.3
12
V
VBOOST
@VDD = 5V
14.6
—
—
V
IL = 10mA, VDD = 5V
RLOAD = 10kΩ
No Load
Power Supply
IDD
Power Supply Current
—
—
4
mA
VDD
Supply Voltage
4.0
—
6.0
V
 2002 Microchip Technology Inc.
VIN = LOW or HIGH
DS21426B-page 3
TC4626/TC4627
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
Pin No.
(8-Pin PDIP,
CERDIP)
PIN FUNCTION TABLE
Symbol
1
C1-
2
C1+
3
C2
4
GND
5
OUT
6
VBOOST
7
IN
8
VDD
Pin No.
(16-Pin SOIC
Wide)
Symbol
1
C1-
2
NC
3
C1+
4
NC
5
C2
6
NC
7
NC
8
GND
9
OUT
10
NC
11
VBOOST
12
NC
Description
Ground.
Description
No connect.
No connect.
No connect.
No connect.
Ground.
No connect.
No connect.
13
IN
14
NC
No connect.
15
NC
No connect.
16
VDD
DS21426B-page 4
 2002 Microchip Technology Inc.
TC4626/TC4627
3.0
APPLICATIONS INFORMATION
FIGURE 3-1:
INVERTING DRIVER
SWITCHING TIME
FIGURE 3-2:
NONINVERTING DRIVER
SWITCHING TIME
VBOOST
VBOOST
C3
10µF
0.1µF Ceramic
C3
10µF
6
Input
6
7
2
C1
10µF
1
3
5
C1+
Output
CL = 1000pF
Input
C1
10µF
1
TC4626
C2
10µF
8
3
VDD = 5V
C1+
Output
CL = 1000pF
C1-
C2
TC4627
8
VDD = 5V
4
+5V
90%
Input
VBOOST
5
C2
10µF
4
+5V
0V
7
2
C1-
C2
0.1µF Ceramic
90%
Input
10%
tD1
tF
tD2
0V
tR
VBOOST
tD1
90%
90%
90%
10%
Input: 100kHz,
square wave,
tRISE = tFALL ≤ 10nsec
 2002 Microchip Technology Inc.
10%
0V
tD2
90%
tF
tR
Output
Output
0V
10%
10%
10%
Input: 100kHz,
square wave,
tRISE = tFALL ≤ 10nsec
DS21426B-page 5
TC4626/TC4627
3.1
C1 potential to VDD input to charge C2 to 2 x VDD. S3a
and S3b add C1 potential to C2 to charge C3 to 3 x
VDD. The position of the switches is controlled by the
internal 4 phase clock.
BOOSTER FUNCTION
The voltage booster is an unregulated voltage tripler
circuit. The tripler consists of three sets of internal
switches and three external capacitors. S1a and S1b
charge capacitor C1 to V DD potential. S2a and S2b add
FIGURE 3-3:
VOLTAGE BOOSTER
3 x VDD, VBOOST
6
6
+
C3
S3a
2 x VDD
3
+
S2a
C2
(4 to 6V)
VDD
S3b
8
S1a
S2b
2
+
C1
1
S1b
GND
4
FIGURE 3-4:
POSITION OF SWITCHES
Pin 1 & 2 Waveforms
3 x VDD
2 x VDD
Pin 2
Voltage
VDD
2 x VDD
Pin 1
Voltage
VDD
0
On
S1
Off
S2
On
Off
S3
On
Off
DS21426B-page 6
 2002 Microchip Technology Inc.
TC4626/TC4627
4.0
TYPICAL CHARACTERISTICS
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
TC4626 VOH vs. Frequency
TC4626 VOH vs. Frequency
16
VS = 5V
TA = -55°C
470pF
14
14
12
VOUT HI (Volts)
VOUT HI (Volts)
12
10
2200pF
8
1000pF
6
10
8
6
2200pF
4
4
2
2
0
5
10
500 1,000 1,500 2,000 2,500 3,000 3,500
FREQUENCY (kHz)
TC4626 VOH vs. Frequency
Delay Time vs. Temperature
14
100
VS = 5V
TA = 125°C
12
10
80
470pF
Time (nsec)
VOUT HI (Volts)
1000pF
0
500 1,000 1,500 2,000 2,500 3,000 3,500
FREQUENCY (kHz)
8
6
2200pF
1000pF
Input = 0-5V;
TR & TF <10nsec;
@ <20kHz
VS = 4V
CLOAD = 1000pF
tD2
60
tD1
40
tRISE
4
20
2
0
tFALL
0
5
500 1,000 1,500 2,000 2,500 3,000 3,500
-40 -20
30
20
50
VS = 5V
CLOAD = 1000pF
tD2
tD1
tFALL
40
60
80 100 120
VS = 6V
CLOAD = 1000pF
40
Time (nsec)
40
20
Delay Time vs. Temperature
Delay Time vs. Temperature
60
50
0
TEMPERATURE (°C)
FREQUENCY (kHz)
Time (nsec)
VS = 5V
TA = 25°C
470pF
tD2
30
tD1
20
tRISE
tFALL
tRISE
Input = 0-5V;
TR & TF <10nsec;
@ <20kHz
10
10
Input = 0-5V;
TR & TF <10nsec;
@ <20kHz
0
0
-40
-20
0
20
40
60
TEMPERATURE (°C)
 2002 Microchip Technology Inc.
80
100 120
-40
-20
0
20
40
60
80
100 120
TEMPERATURE (°C)
DS21426B-page 7
TC4626/TC4627
TYPICAL CHARACTERISTICS (CONTINUED)
TC4626 VOH vs. Frequency
TC4626 VOH vs. Frequency
16
16
VS = 5V
TA = 25°C
15
14
14
VOUT HI (Volts)
VOUT HI (Volts)
VS = 5V
TA = -55°C
15
13
12
470pF
11
1,000pF
10
470pF
13
12
1,000pF
11
2,200pF
10
9
9
2,200pF
8
8
0
1
2
3
4
5
6
7
8
9
10
FREQUENCY x 100 kHz
0
1
2
3
4
5
6
7
8
9
10
FREQUENCY x 100 kHz
TC4626 VOH vs. Frequency
16
VS = 5V
TA = 125°C
15
VOUT HI (Volts)
14
13
12
11
470pF
10
1,000pF
9
2,200pF
8
0
1
2
3
4
5
6
7
8
9
10
FREQUENCY x 100 kHz
DS21426B-page 8
 2002 Microchip Technology Inc.
TC4626/TC4627
5.0
PACKAGING INFORMATION
Package marking data not available at this time.
5.1
Package Dimensions
8-Pin Plastic DIP
PIN 1
.260 (6.60)
.240 (6.10)
.045 (1.14)
.030 (0.76)
.070 (1.78)
.040 (1.02)
.310 (7.87)
.290 (7.37)
.400 (10.16)
.348 (8.84)
.200 (5.08)
.140 (3.56)
.040 (1.02)
.020 (0.51)
.150 (3.81)
.115 (2.92)
.110 (2.79)
.090 (2.29)
.015 (0.38)
.008 (0.20)
3° MIN.
.400 (10.16)
.310 (7.87)
.022 (0.56)
.015 (0.38)
Dimensions: inches (mm)
8-Pin CDIP (Narrow)
.110 (2.79)
.090 (2.29)
PIN 1
.300 (7.62)
.230 (5.84)
.020 (0.51) MIN.
.055 (1.40) MAX.
.320 (8.13)
.290 (7.37)
.400 (10.16)
.370 (9.40)
.200 (5.08)
.160 (4.06)
.040 (1.02)
.020 (0.51)
.150 (3.81)
MIN.
.200 (5.08)
.125 (3.18)
.015 (0.38)
.008 (0.20)
3° MIN.
.400 (10.16)
.320 (8.13)
.065 (1.65) .020 (0.51)
.045 (1.14) .016 (0.41)
Dimensions: inches (mm)
 2002 Microchip Technology Inc.
DS21426B-page 9
TC4626/TC4627
Package Dimensions (Continued)
16-Pin SOIC (Wide)
PIN 1
.299 (7.59) .419 (10.65)
.291 (7.40) .398 (10.10)
.413 (10.49)
.398 (10.10)
.104 (2.64)
.097 (2.46)
.012 (0.30)
.050 (1.27) TYP. .019 (0.48)
.014 (0.36)
.004 (0.10)
8°
.013 (0.33)
MAX.
.009 (0.23)
.050 (1.27)
.016 (0.40)
Dimensions: inches (mm)
DS21426B-page 10
 2002 Microchip Technology Inc.
TC4626/TC4627
Sales and Support
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1.
2.
3.
Your local Microchip sales office
The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277
The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
New Customer Notification System
Register on our web site (www.microchip.com/cn) to receive the most current information on our products.
 2002 Microchip Technology Inc.
DS21426B-page11
TC4626/TC4627
NOTES:
DS21426B-page12
 2002 Microchip Technology Inc.
TC4626/TC4627
Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with
express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, FilterLab,
KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER,
PICSTART, PRO MATE, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
dsPIC, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB,
In-Circuit Serial Programming, ICSP, ICEPIC, microPort,
Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,
MXDEV, MXLAB, PICC, PICDEM, PICDEM.net, rfPIC, Select
Mode and Total Endurance are trademarks of Microchip
Technology Incorporated in the U.S.A.
Serialized Quick Turn Programming (SQTP) is a service mark
of Microchip Technology Incorporated in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system
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and Mountain View, California in March 2002.
The Company’s quality system processes and
procedures are QS-9000 compliant for its
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devices, Serial EEPROMs, microperipherals,
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design and manufacture of development
systems is ISO 9001 certified.
 2002 Microchip Technology Inc.
DS21426B-page 13
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Tel: 408-436-7950 Fax: 408-436-7955
Microchip Technology Hongkong Ltd.
Unit 901-6, Tower 2, Metroplaza
223 Hing Fong Road
Kwai Fong, N.T., Hong Kong
Tel: 852-2401-1200 Fax: 852-2401-3431
New York
Toronto
6285 Northam Drive, Suite 108
Mississauga, Ontario L4V 1X5, Canada
Tel: 905-673-0699 Fax: 905-673-6509
India
Microchip Technology Inc.
India Liaison Office
Divyasree Chambers
1 Floor, Wing A (A3/A4)
No. 11, O’Shaugnessey Road
Bangalore, 560 025, India
Tel: 91-80-2290061 Fax: 91-80-2290062
Korea
Microchip Technology Korea
168-1, Youngbo Bldg. 3 Floor
Samsung-Dong, Kangnam-Ku
Seoul, Korea 135-882
Tel: 82-2-554-7200 Fax: 82-2-558-5934
Singapore
Microchip Technology Singapore Pte Ltd.
200 Middle Road
#07-02 Prime Centre
Singapore, 188980
Tel: 65-6334-8870 Fax: 65-6334-8850
Taiwan
Microchip Technology Taiwan
11F-3, No. 207
Tung Hua North Road
Taipei, 105, Taiwan
Tel: 886-2-2717-7175 Fax: 886-2-2545-0139
EUROPE
Denmark
Microchip Technology Nordic ApS
Regus Business Centre
Lautrup hoj 1-3
Ballerup DK-2750 Denmark
Tel: 45 4420 9895 Fax: 45 4420 9910
France
Microchip Technology SARL
Parc d’Activite du Moulin de Massy
43 Rue du Saule Trapu
Batiment A - ler Etage
91300 Massy, France
Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79
Germany
Microchip Technology GmbH
Gustav-Heinemann Ring 125
D-81739 Munich, Germany
Tel: 49-89-627-144 0 Fax: 49-89-627-144-44
Italy
Microchip Technology SRL
Centro Direzionale Colleoni
Palazzo Taurus 1 V. Le Colleoni 1
20041 Agrate Brianza
Milan, Italy
Tel: 39-039-65791-1 Fax: 39-039-6899883
United Kingdom
Microchip Ltd.
505 Eskdale Road
Winnersh Triangle
Wokingham
Berkshire, England RG41 5TU
Tel: 44 118 921 5869 Fax: 44-118 921-5820
05/01/02
DS21426B-page 14
 2002 Microchip Technology Inc.