TCL1117 Ver la hoja de datos (PDF) - TelCom Semiconductor, Inc
Número de pieza
componentes Descripción
Fabricante
TCL1117
TelCom Semiconductor, Inc
TCL1117 Datasheet PDF : 9 Pages
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800mA LOW DROPOUT POSITIVE REGULATORS
ADJUSTABLE AND FIXED 2.85V, 3.30V, 5.00V
PRELIMINARY INFORMATION
TCL1117
TCL1117-2.85
TCL1117-3.30
TCL1117-5.00
TYPICAL APPLICATIONS
1.2V-10V Adjustable Regulator
5V Regulator with Shutdown
VIN
IN TCL1117 OUT
ADJ
+ C1*
10µF
R2
1k
R1
121Ω
+
VOUT**
C2
100µF
VIN
+
10µF
1k
SHDN
IN TCL1117 OUT
ADJ
2N3904
1k
5V
121Ω
1%
+
100µF
365Ω
1%
* NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS
( ) ** VOUT = 1.25V 1+ R2
R1
Remote Sensing
VIN
IN TCL1117 OUT
ADJ
+
10µF
Rp
(MAX DROP 300mV)
+
100µF
25Ω
121Ω
365Ω
VIN
6 7 –2
LM301A
1+
3
1kΩ
8
4
100pF
5µF
+
25Ω
RETURN
OUTPUT
5V
RL
RETURN
Adjusting Output Voltage of Fixed Regulators
VIN > 12V
IN TCL1117-5.00 OUT
5V TO 10V
VIN
+
10µF
GND
+
100µF
+
10µF*
1k
*OPTIONAL IMPROVES RIPPLE REJECTION
TCL1117-05 6/5/97
5
Battery Charger
IN TCL1117 OUT
1.25V
ADJ
IF
VOUT
RS
R1
R2
( ) VOUT – 1.25V
IF =
1+ R2
R1
( ) – RS
1+ R2
R1
( ) IF
VOUT
=
– RS
1
1+ R2
R1
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