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PDF TLE7273-2 Data sheet ( Hoja de datos )
| Número de pieza | TLE7273-2 | |
| Descripción | Low Dropout Voltage Regulator | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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Data Sheet, Rev. 1.2, April 2009
TLE7273-2
L o w D r o p o u twww.DataSheet4U.net V o l t a g e R e g u l a t o r
Automotive Power
1 page  
3.3 Pin Assignments (PG-SSOP-14 Exposed Pad)
TLE7273-2
Pin Configuration
52
*1'
(1
,
QF
QF
QF
QF
*1'
QF
:0
4
:0
:',
7/(B3,1&21),*B6623
69*
Figure 3 Pin Assignment PG-SSOP-14 Exposed Pad (top view)
3.4 Pin Definitions and Functions (PG-SSOP-14 Exposed Pad)
Table 2 Pin Definitions and Functions
Pin No.
Symbol
Function
1 RO Reset Output
integrated 20 kΩ pull-up resistor (TLE7273-2EV50);
leave open if not needed
2, 5
GND
Ground
connect to GND
3, 4, 10, 11, 12
n.c.
not connected
leave open or connect to GND
6
WM2
Watchdog Mode Bit 2
watchdog and reset mode selection, see Figure 5;
connect to VQ or GND
7
WM1
Watchdog Mode Bit 1
watchdog and reset mode selection, see Figure 5;
connect to VQ or GND
8
WDI
Watchdog Input
trigger input for watchdog pulses;
pull down to GND if not needed and turn off the watchdog with WM1 and
WM2 pin
9 Q Output Voltage
block to GND with a ceramic capacitor CQ ≥ 470 nF close to IC terminal
13 I Input Voltage
block to ground directly at the IC with a 100 nF ceramic capacitor
14 EN Enable Input
low level disables the IC;
integrated pull-down resistor
Pad – Exposed Pad
connect to heatsink area;
connect with GND on PCB
Data Sheet
5 Rev. 1.2, 2009-04-28
5 Page 
TLE7273-2
Block Description and Electrical Characteristics
5.2 Electrical Characteristics
Electrical Characteristics
VI =13.5 V; – 40 °C < Tj < 150 °C; unless otherwise specified
Pos. Parameter
Symbol Limit Values
Min. Typ. Max.
Output Q
5.2.1 Output Voltage
VQ 4.90 5.00 5.10
Unit
V
5.2.2 Output Voltage
VQ 4.90 5.00 5.10 V
5.2.3 Output Voltage
VQ 3.234 3.30 3.366 V
5.2.4 Output Voltage
VQ 3.234 3.30 3.366 V
5.2.5 Output Voltage
VQ 2.548 2.60 2.652 V
5.2.6 Output Voltage
VQ 2.548 2.60 2.652 V
5.2.7
5.2.8
5.2.9
Output Current Limitation
Dropout Voltage1)
VDR = VI – VQ
5.2.10 Load Regulation
5.2.11 Line Regulation
5.2.12 Power Supply Ripple Rejection
IQ
200 –
500 mA
200 –
600
VDR – 250 500 mV
∆VQ,Lo
∆VQ,Li
–
–
PSRR –
50 90 mV
10 50 mV
60 – dB
5.2.13 Reverse Output Current Clamping VQ
Current Consumption
5.2.14
5.2.15
Quiescent Current
Iq = II – IQ
Quiescent Current
Disabled
Enable Input EN
5.2.16 High Level Input Voltage
Iq
Iq
VEN,H
––
– 28
–1
3.0 –
5.5 V
36 µA
3 µA
–V
Test Condition
TLE7273-2GV50,
TLE7273-2EV50
1 mA < IQ < 180 mA
6 V < VI < 16 V
TLE7273-2GV50,
TLE7273-2EV50
IQ = 10 mA
6 V < VI < 45 V
TLE7273-2GV33
1 mA < IQ < 180 mA
4.5 V < VI < 16 V
TLE7273-2GV33
IQ = 10 mA
4.5 V < VI < 45 V
TLE7273-2GV26
1 mA < IQ < 180 mA
4.5 V < VI < 16 V
TLE7273-2GV26
IQ = 10 mA
4.5 V < VI < 45 V
VQ = 2.0 V
VQ = 0 V
IQ = 180 mA
TLE7273-2GV50,
TLE7273-2EV50
1 mA < IQ < 180 mA;
IQ = 1 mA;
10 V < VI < 32 V
fr = 100 Hz;
Vr = 0.5 VPP
IQ = -1 mA,
VEN = 0 V
IQ = 100 µA;
Tj < 80°C
VEN= 0V;
Tj < 80°C
VQ on
Data Sheet
11 Rev. 1.2, 2009-04-28
11 Page | ||
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| PDF Descargar | [ Datasheet TLE7273-2.PDF ] | |
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