TL497AC Datasheet, PDF (5/11 Pages) Texas Instruments – SWITCHING VOLTAGE REGULATORS

TL497AC, TL497AI, TL497AY
SWITCHING VOLTAGE REGULATORS
SLVS009C – JUNE 1976 – REVISED AUGUST 1995
electrical characteristics over recommended operating conditions, V_CC = 6 V (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
TL497AC
TA†
MIN TYP‡
High-level input current, INHIBIT
Low-level input current, INHIBIT
Comparator reference voltage
Comparator input bias current
Switch on-state voltage
VI(I) = 5 V
VI(I) = 0 V
VI = 4.5 V to 6 V
VI = 6 V
VI = 4.5 V
IO = 100 mA
IO = 500 mA
Switch off-state current
VI = 4.5 V, VO = 30 V
Full range
Full range
Full range
Full range
25°C
Full range
25°C
Full range
0.8
5
1.08
1.2
40
0.13
10
Sense voltage, CUR LIM SENS
Diode forward voltage
Diode reverse voltage
VI = 6 V
IO = 10 mA
IO = 100 mA
IO = 500 mA
IO = 500 µA
IO = 200 µA
On-state supply current
25°C
Full range
Full range
Full range
Full range
Full range
25°C
Full range
0.45
0.75
0.9
1.33
30
11
Off-state supply current
25°C
6
Full range
† _{Full range for the TL497AC is 0°C to 70°C and full range for the TL497AI is – 40°C to 85°C.}
‡ _{All typical values are at TA = 25°C.}
MAX
1.5
10
1.32
100
0.2
0.85
50
200
1
0.85
1
1.55
14
15
9
10
TL497AI
MIN TYP‡
0.8
5
1.14
1.2
40
0.13
10
0.45
0.75
0.9
1.33
30
MAX
1.5
20
1.26
100
0.2
1
50
500
1
0.95
1.1
1.75
UNIT
mA
µA
V
µA
V
µA
V
V
V
11
14
mA
16
6
9
mA
11
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,
IO = 100 mA
VI = 4.5 V,
VO = 30 V
IO = 10 mA
IO = 100 mA
IO = 500 mA
TL497AY
MIN TYP
0.8
5
1.2
40
0.13
10
0.75
0.9
1.33
11
6
MAX
UNIT
mA
µA
V
µA
V
µA
V
mA
mA
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