TL497A
SWITCHING VOLTAGE REGULATORS
SLVS009D – JUNE 1976 – REVISED JULY 1999
electrical characteristics over recommended operating conditions, V
CC
= 6 V (unless otherwise
noted)
PARAMETER
High-level input current, INHIBIT
Low-level input current, INHIBIT
Comparator reference voltage
Comparator input bias current
Switch on state voltage
on-state
Switch off state current
off-state
Sense voltage, CUR LIM SENS
Diode forward voltage
TEST CONDITIONS
VI(I) = 5 V
VI(I) = 0 V
VI = 4.5 V to 6 V
VI = 6 V
VI = 4 5 V
4.5
VI = 4 5 V
4.5 V,
VI = 6 V
IO = 10 mA
IO = 100 mA
IO = 500 mA
IO = 500
µA
IO = 200
µA
IO = 100 mA
IO = 500 mA
VO = 30 V
TA†
Full range
Full range
Full range
Full range
25°C
Full range
25°C
Full range
25°C
Full range
Full range
Full range
Full range
Full range
25°C
Full range
25°C
Full range
6
30
11
14
15
9
10
6
11
14
16
9
11
0.45
0.75
0.9
1.33
10
1.08
TL497AC
MIN TYP‡
MAX
0.8
5
1.2
40
0.13
1.5
10
1.32
100
0.2
0.85
50
200
1
0.85
1
1.55
30
0.45
0.75
0.9
1.33
10
1.14
TL497AI
MIN TYP‡
MAX
0.8
5
1.2
40
0.13
1.5
20
1.26
100
0.2
1
50
500
1
0.95
1.1
1.75
V
mA
mA
V
UNIT
mA
µA
V
µA
V
µA
V
Diode reverse voltage
On-state
On state supply current
Off-state
Off state supply current
† Full range is 0°C to 70°C for the TL497AC and –40°C to 85°C for the TL497AI.
‡ All typical values are at TA = 25°C.
electrical characteristics over recommended operating conditions, V
CC
= 6 V, T
A
= 25°C (unless
otherwise noted)
PARAMETER
High-level input current, INHIBIT
Low-level input current, INHIBIT
Comparator reference voltage
Comparator input bias current
Switch on-state voltage
Switch off-state current
Diode forward voltage
On-state supply current
Off-state supply current
TEST CONDITIONS
VI(I) = 5 V
VI(I) = 0 V
VI = 4.5 V to 6 V
VI = 6 V
VI = 4.5 V,
VI = 4.5 V,
IO = 10 mA
IO = 100 mA
IO = 500 mA
IO = 100 mA
VO = 30 V
TL497AY
MIN
TYP
0.8
5
1.2
40
0.13
10
0.75
0.9
1.33
11
6
mA
mA
V
MAX
UNIT
mA
µA
V
µA
V
µA
4
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
