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Version 1.2, Aug 2004
Datasheet
DS-CoreControl-TDA21107
TDA21107
Published by Infineon Technologies AG
http://www.infineon.com/DCDC
Power Management & Drive
CoreControl
TM
Page 1 of 12 DS-CoreControl-TDA21107
Never stop thinking.
Contents:
Features………………………………………………………………………………………………………......3
Application……………………………………………………………………………………………………...…3
Pinout Drawing and Description………………………………………………………………………………...3
General Description……………………………………………………………………………………………...4
Block Diagram…………………………………………………………………………………………………….4
Application Circuit…...……………………………………………………………………………………………5
Absolute Maximum Rating.................................................................................................................... 6
Thermal Characteristic.......................................................................................................................... 7
Operation Condition.............................................................................................................................. 7
Electrical Characteristic ........................................................................................................................ 8
Outline Diemension………………………………………………………………………………………………9
Revision Histroy…..…………………………………………………………………………………………….10
Sales Office Worldwide.………………………………………………………………………………………..11
CoreControl
TM
Page 2 of 12 DS-CoreControl-TDA21107
High speed Driver with bootstrapping for
dual Power MOSFETs
Features:
• Fast rise and fall times for frequencies up to 1 MHz
• Adjustable High Side MOSFET gate drive voltage via external voltage supply to BOOT for optimizing
ON losses and gate drive losses ( 5V to 12V is recommended )
• Prevents from cross-conducting by adaptive gate drive control
• Supports shut-down mode for very low quiescent current through three-state input
• Compatible to standard PWM controller ICs (IFX, Intersil, Analog Devices, Richtek)
• Floating High Side MOSFET drive
• Power-on Overvoltage Protection
• Footprint compatible to ADP3418
• Ideal for multi-phase Desktop CPU supplies on motherboards and VRM´s
Application:
P-DSO-8
• Voltage Regulator Modules
• Low Output Voltage High Output Current DC-DC Converters
• Half-Bridge Class D Amplifier
Type Package Marking Ordering Code
TDA21107 P-DSOP-8 21107 Q67042-S4251
Pinout Drawing and Description:
CoreControl
TM
Page 3 of 12 DS-CoreControl-TDA21107
V
General Description
The dual high speed driver is designed to drive a wide range of N-Channel low side and N-Channel high
side MOSFETs with varying gate charges. It has a small propagation delay from PWM input pin to
GATE
addition it provides several protection features as well as a shut down mode for efficiency reasons.
and GATELS, short rise and fall times and the same pin configuration as the ADP3418. In
HS
Target application
The dual high speed driver is designed to work well in half-bridge type circuits where dual N-Channel
MOSFETs are utilized. A circuit designer can fully take advantage of the driver´s capabilities in high-
efficiency, high-density synchronous DC/DC converters that operate at high switching frequencies, e.g.
in multi-phase converters for CPU supplies on motherboards and VRM´s but also in motor drive and half
bridge class-D amplifier type applications.
Block Diagram
VCC
PWM
Internal 5V
Control
Logic
Shoot
Through
Protection
Power-
LS
Driver
CC
HS
Driver
BOOT
GATE
PHAS
GATE
GND
HS
LS
CoreControl
TM
Page 4 of 12 DS-CoreControl-TDA21107
g
Application Circuit
1
A A
B B
2
12VF1
3
4
8
7
6
5
Q1
Q3
ate pins of Q3 and Q4.
C6
1uF/16V
R2 *
1
GATEHS
BOOST
PWM signal f rom CoreCo ntrol con troller
C C
*) R2 i s the opt ional res istor f or s lowing down the high spee d during turn- on
*) R3 i s the 500K ohm res ist or for avoidi ng the f ault st art-u p behavior of dri ver duri ng turn-on
D D
Layou t Noti ce :
1. C1 and C2 should be place d at the drai n of Q1 and Q2 and t he source of Q3 and Q4.
2. C7 s hould be placed c lose to t he VCC pin and GND pi n of TDA21107.
3. 1N4148, C6 and R2 shoul d be placed cl ose to TDA21107.
4. The tr aces of GATEHS and PHASE should be routed in parallel and the tr ace width shoul d not be les s than 40 mil .
5. The tr ace width of GATELS should not be l ess than 40 mil and it should be cl soe to t he
1
2
PHASE
PWM
3
PGND
NC
4
GATELS
1N4148
12V
VCC
TDA21107
1uF/16V
C7
2
R3*
Q2
C1
C2
22uF/16V
IPD09N03LA
Q4
IPD05N03LA
330uF/16V
IPD09N03LA
L1 1uH
C5
1nF/16V
R1
IPD06N03LA
4R7
Title
Date: 09.08.2004 Sheet of
File: C:\UserData\. .\TDA21107_Applica tion.SCHDOCDrawn By:
3
C3
CoreControl Dri ver TDA21107
Number RevisionSize
A4
Applicati on Circuit
VCORE
C4
22uF/10V
2200uF/6,3V
1,0
Edward Chang
4
CoreControl
TM
Page 5 of 12 DS-CoreControl-TDA21107
Absolute Maximum Ratings
At Tj = 25 °C, unless otherwise specified
Voltage supplied to ‘VCC’ pin; DC V
Voltage supplied to ‘PWM’ pin V
Voltage supplied to ‘BOOT’ pin referenced to ‘PHASE’ V
V
Voltage supplied to ‘BOOT’ pin referenced to ‘GND’ V
Voltage rating at ‘PHASE’ pin, V
Voltage supplied to GATEHS pin referenced to ‘PHASE V
Voltage supplied to GATELS pin referenced to ‘GND’ V
Value Parameter Symbol
Min MAX
-0.3 15
VCC
-0.3 7
PWM
–
BOOT
PHASE
BOOT
PHASE
GATEHS
GATELS
-0.3 15
-0.3 30
-4 15
V
PHASE
V
- 0.3
-0.3 V
BOOT
+0.3
VCC
+0.3
Unit
V
Junction temperature TJ 0 150
°C
Storage temperature TS -40 150
Lead temperature (Soldering, 10 seconds) 260
ESD Rating; Human Body Model
Machine Mode
2
200
KV
V
IEC climatic category; DIN EN 60068-1 55/150/56
CoreControl
TM
Page 6 of 12 DS-CoreControl-TDA21107
Thermal Characteristic
Values Parameter Symbol
Min. Typ. Max.
Thermal resistance, junction-soldering point 90
Thermal resistance, junction-ambient 125
Operating Conditions
At Tj = 25 °C, unless otherwise specified
Values Parameter Symbol Conditions
Min. Typ. Max.
Voltage supplied to ‘VCC’
pins
V
10.8 12.0 13.2 V
VCC
Unit
K/W
Unit
Input signal transition
frequency
Power dissipation P
Junction temperature TJ 0 125 °C
Ambient temperature TA 0 70 °C
f 50 500 KHz
T
TOT
= 25 °C, TJ = 125 °C 0.8 W
A
CoreControl
TM
Page 7 of 12 DS-CoreControl-TDA21107
Electrical Characteristic
At Tj = 25 °C, unless otherwise specified
Parameter Symbol Conditions
Supply Characteristic
VCC supply current I
Under-voltage
lockout
Under-voltage
lockout
Input Characteristic
Current in ‘PWM’ pin I
Current in ‘PWM’ pin I
V
VCC
V
V
V
PWM_L
V
PWM_H
VCC
VCC
= 12 V
VCC
V
= 0V
PWM
rising threshold 8.6 9.4 10.2
falling threshold 7.25 8.05 8.85
= 0 V -80 -110 -140
_PWM
= 5 V 80 110 140
_PWM
Values
Unit
Min. Typ. Max.
5 7 mA
V
µA
PWM pin open V
PWM Low level V
PWM High level V
2.2 2.5 2.8
PWM_O
1.2 1.4 1.5
PWM_L
3.0 3.5 3.8
PWM_H
V
CoreControl
TM
Page 8 of 12 DS-CoreControl-TDA21107
At Tj = 25 °C, unless otherwise specified
Dynamic Characteristic
Turn-on propagation
t
Delay High Side
Turn-off propagation
t
d(OFF)_HS
delay High Side
Rise time High Side t
Fall time High Side t
Turn-on propagation
t
Delay Low Side
Turn-off propagation
t
d(OFF)_LS
delay Low Side
Rise time Low Side t
Fall time Low Side t
Timing diagram
40
d(ON)_HS
30
30
r_HS
40
f_HS
35
d(ON)_LS
P
PVCC
C
= V
VCC
= 3000 pF
ISS
= 12 V
ns
30
30
r_LS
f_LS
30
T
T
d(OFF)_HS
d(OFF)_HS
T
T
d(ON)_LS
d(ON)_LS
T
T
d(OFF)_LS
d(OFF)_LS
T
T
d(ON)_HS
d(ON)_HS
T
T
r_HS
r_HS
T
T
f_LS
f_LS
At Tj = 25 °C, unless otherwise specified
Parameter Conditions
Min. Typ. Max.
Output Characteristic High Side (HS) and Low Side (LS), ensured by design
Output
Reistance
HS; Source 2
HS; Sink 1.5
LS; Source 1.6
LS; Sink
V
PVCC
= V
VCC
= 12 V
1.2
T
T
Values
f_HS
f_HS
T
T
r_LS
r_LS
Unit
Ω
CoreControl
TM
Page 9 of 12 DS-CoreControl-TDA21107
Package Drawing P-DSO-8
Footprint Drawing P-DSO-8
e A L B
1.27 mm 5.69 mm 1.31 mm 0.65 mm
CoreControl
TM
Page 10 of 12 DS-CoreControl-TDA21107
@
Revision History
Datasheet DS-CoreControl-TDA21107
Actual Release: V1.1 Date: 22.03.2005 Previous Release: V1.0 Date: 10.08.2004
Page of
actual Rel.
9 9 Add t
Page of
prev. Rel.
Subjects changed since last release
d(OFF)_HS
= 30 ns and t
d(OFF)_LS
= 30 ns
For questions on technology, delivery and prices please contact the Infineon Technologies Offices in
Germany or the Infineon Technologies Companies and Representatives worldwide: see the address list
on the last page or our webpage at
http://www.infineon.com/DCDC
CoreControl
We listen to Your Comments
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Edition 2004-08-10
Published by Infineon Technologies AG,
St.-Martin-Strasse 53,
D-81541 München
© Infineon Technologies AG 2004.
All Rights Reserved.
Attention please!
The information herein is given to describe certain components and shall not be considered as warranted characteristics.
Terms of delivery and rights to technical change reserved.
We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts
stated herein.
Infineon Technologies is an approved CECC manufacturer.
Information
For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany
or our Infineon Technologies Representatives worldwide (see address list).
Warnings
Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest
Infineon Technologies Office.
Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies,
if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or
effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or
maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be
endangered.
TM
, OptiMOS and OptiMOS II are trademarks of Infineon Technologies AG.
infineon.com
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Page 11 of 12 DS-CoreControl-TDA21107
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Page 12 of 12 DS-CoreControl-TDA21107
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