TL496C, TL496Y
9-VOLT POWER-SUPPLY CONTOLLERS
SLVS012B – AUGUST 1978 – REVISED AUGUST 1995
APPLICATION INFORMATION
L
CIRCUIT COMPONENT INFORMATION
D1: 1N4001
C
: 330 µF to 470 µF, 10 V, electrolytic
O
L: 40 µH to 50 µH, Q ≈ 3, R < 0.15 Ω
T1: V = 6.8 V RMS typ, R = 11 Ω typ
3
6
sec
sec
1C INPUT SW
T1
2
4
8
1
2C INPUT
OUTPUT
OUTPUT
AC
INPUT
TL496C
BATT
FEEDBACK
GND
T INPUT
GND
C
O
7
5
D1
GND
Figure 1. One-Cell Operation
L
CIRCUIT COMPONENT INFORMATION
D1: 1N4001
C
: 330 µF to 470 µF, 10 V, electrolytic
O
L: 40 µH to 50 µH, Q ≈ 3, R < 0.15 Ω
T1: V = 6.8 V RMS typ, R = 11 Ω typ
sec
sec
3
6
1C INPUT SW
T1
2
4
8
1
2C INPUT
OUTPUT
OUTPUT
AC
INPUT
TL496C
FEEDBACK
GND
T INPUT
GND
C
O
7
5
D1
BATT
GND
Figure 2. Two-Cell Operation
electrical characteristics for one- and two-cell input operations
ONE-CELL OPERATION
TWO-CELL OPERATION
(see Figure 2)
PARAMETER
(see Figure 1)
No load
= 120 Ω
125 µA
525 mA
7.2 V
125 µA
405 mA
8.6 V
Input current
R
L
No ac input
Output voltage
With ac input
8.6 V
10 V
Output current capability
Efficiency
40 mA
66%
80 mA
66%
Battery life (AA NiCad) no load
60 days
166 days
4–5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
