TL496C, TL496Y
9-VOLT POWER-SUPPLY CONTROLLERS
SLVS012B – AUGUST 1978 – REVISED AUGUST 1995
electrical characteristics over recommended operating conditions, T = 25°C (unless otherwise
A
noted)
series regulator section (T INPUT)
PARAMETER
TEST CONDITIONS
= –50 mA
MIN
TYP
1.5
10.1
10
MAX
2
UNIT
Dropout voltage
V = 5 V,
I
V
I
O
I
I
I
I
= –50 µA
= –80 mA
= –50 µA
= –80 mA
9.5
9
11.2
11
O
O
O
O
V = 20 V,
I
Regulated output voltage
V
V = 20 V,
I
8.5
6.7
9
9.7
9.5
400
–25
FEEDBACK shorted to OUTPUT
V = 20 V,
8.6
Standby current, T INPUT
OUTPUT = 12 V
µA
µA
I
Reverse current through T INPUT
V = –1.5 V,
I
1 mA into OUTPUT
output switch
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
Collector-emitter saturation voltage
800 mA into SW,
2C INPUT = 2.25 V
0.35
0.6
V
CE(sat)
diode (SW to OUTPUT)
PARAMETER
Forward voltage
Reverse current through SW
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
I
= 1.5 A
1.6
2.5
V
F
F
I
R
SW at 0 V,
1 mA into OUTPUT
–20
µA
control section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
FEEDBACK and OUTPUT = 0 V,
2C INPUT = 3 V
On-state current (2C INPUT)
60
100
mA
Standby current (FEEDBACK)
FEEDBACK = 8.65 V, 2C INPUT and SW = 3 V
FEEDBACK = 8.65 V, 2C INPUT and SW = 3 V
40
µA
µA
Standby current (2C INPUT and SW)
400
Start-up current (current into SW to initiate cycle) FEEDBACK, 2C INPUT, SW, and OUTPUT = 2.25 V
16
mA
4–4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
