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PDF TLE6368 Data sheet ( Hoja de datos )
| Número de pieza | TLE6368 | |
| Descripción | Multi-Voltage Processor Power Supply | |
| Fabricantes | Infineon Technologies | |
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Multi-Voltage Processor Power Supply
TLE 6368 / SONIC
Data Sheet
1 Overview
1.1 Features
• High efficiency regulator system
• Wide input voltage range from 5.5V to 60V
• Stand-by mode with low current consumption
• Suitable for standard 12V/24V and 42V PowerNets
• Step down converter as pre-regulator:
5.5V / 1.5A
• Step down slope control for lowest EME
• Switching loss minimization
• Three high current linear post-regulators with
selectable output voltages:
5V / 800mA
3.3V or 2.6V / 500mA
3.3V or 2.6V / 350mA
• Six independent voltage trackers (followers):
5V / 17mA each
• Stand-by regulator with 1mA current capability
• Three independent undervoltage detection circuits
(e.g. reset, early warning) for each linear post-regulator
• Power on reset functionality
• Tracker control and diagnosis by SPI
• All outputs protected against short-circuit
• Power-DSO-36 package
P-DSO-36-12
Type
TLE 6368 G1 / SONIC
Ordering Code
Q67007-A9648
SMD = Surface Mounted Device
Package
P-DSO-36-12
Data Sheet, Rev. 1.32
1
2004-10-15
1 page  
www.DataSheet4U.com
TLE 6368 / SONIC
1.4 Pin definitions and functions (cont’d)
Pin No. Symbol Function
11
Q_T4
Voltage Tracker Output T4 tracked to Q_LDO1; bypass with a
1µF ceramic capacitor for stability. It is switched on and off by
SPI command. Keep open, if not needed.
12
Q_T5
Voltage Tracker Output T5 tracked to Q_LDO1; bypass with a
1µF ceramic capacitor for stability. It is switched on and off by
SPI command. Keep open, if not needed.
13
Q_T6
Voltage Tracker Output T6 tracked to Q_LDO1; bypass with a
1µF ceramic capacitor for stability. It is switched on and off by
SPI command. Keep open, if not needed.
14 Q_LDO3 Voltage Regulator Output 3; 3.3V or 2.6V output; output
voltage is selected by pin SEL (see also 2.2.2); For stability a
ceramic capacitor of 470nF to GND is sufficient.
15 R3
Reset output 3, undervoltage detection for output Q_LDO3;
open drain output; an external pullup resistor of 10kΩ is
required
16 R2
Reset output 2, undervoltage detection for output Q_LDO2;
open drain output; an external pullup resistor of 10kΩ is
required
17 R1
Reset output 1, undervoltage detection for output Q_LDO1 and
watchdog failure reset; open drain output ; an external pullup
resistor of 10kΩ is required
20 C-
Charge pump capacitor connection; Add the fly-capacitor of
100nF between C+ and C-
21 C+
Charge pump capacitor connection; Add the fly-capacitor of
100nF between C+ and C-
22
CCP
Charge Pump Storage Capacitor Output; Add the storage
capacitor of 220nF between pin CCP and GND.
23 SEL Select Pin for output voltage adjust of Q_LDO2 and Q_LDO3
(see also 2.2.2)
24 Q_LDO2 Voltage Regulator Output 2; 3.3V or 2.6V output; output
voltage is selected by pin SEL (see also 2.2.2); For stability a
ceramic capacitor of 470nF to GND is sufficient.
25, 26 FB/L_IN Feedback and Linear Regulator Input; input connection for
the Buck converter output
Data Sheet, Rev. 1.32
5
2004-10-15
5 Page 
www.DataSheet4U.com
TLE 6368 / SONIC
Power Sequencing
VFB/L_IN
VLDO_EN
VQ_LDO1
5V
VRth5
3.3V
2.6V
VQ_LDO2 (2.6V Mode)
2.6V
VRth2.6
0.7V
5V LDO
5V LDO
VQ_LDO3 (3.3V Mode)
3.3V
VRth3.3
5V LDO
+/- 50mV
5V LDO
Figure 4 Power-up and -down sequencing of the regulators
t
t
0.7V
t
+/- 50mV
t
2.2.2 Q_LDO2 and Q_LDO3 output voltage selection*
To determine the output voltage levels of the three linear regulators, the selection pin
(SEL, pin 23) has to be connected according to the matrix given in the table below.
Definition of Output voltage Q_LDO2 and Q_LDO3
Select Pin SEL Q_LDO2
Q_LDO3
connected to output voltage output voltage
GND
3.3 V
3.3 V
Q_LDO1
2.6 V
2.6 V
Q_LDO2
2.6 V
3.3 V
* for different output voltages please refer to the multi voltage supply TLE6361
Data Sheet, Rev. 1.32
11
2004-10-15
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TLE6368.PDF ] | |
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