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TL497ACNSR Datasheet(PDF) 4 Page - Texas Instruments

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Part No. TL497ACNSR
Description  500-mA PEAK STEP-UP STEP-DOWN,INVERTING SWITCHING VOLTAGE REGULATOR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TL497ACNSR Datasheet(HTML) 4 Page - Texas Instruments

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TL497A
500mA PEAK STEPUP, STEPDOWN, INVERTING SWITCHING VOLTAGE REGULATOR
SLVS009F − JUNE 1976 − REVISED FEBRUARY 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions, VCC = 6 V (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
TA†
TL497AC
TL497AI
UNIT
PARAMETER
TEST CONDITIONS
TA†
MIN
TYP‡
MAX
MIN
TYP‡
MAX
UNIT
High-level input current, INHIBIT
VI(I) = 5 V
Full range
0.8
1.5
0.8
1.5
mA
Low-level input current, INHIBIT
VI(I) = 0 V
Full range
5
10
5
20
µA
Comparator reference voltage
VI = 4.5 V to 6 V
Full range
1.08
1.2
1.32
1.14
1.2
1.26
V
Comparator input bias current
VI = 6 V
Full range
40
100
40
100
µA
Switch on-state voltage
VI = 4.5 V
IO = 100 mA
25
°C
0.13
0.2
0.13
0.2
V
Switch on-state voltage
VI = 4.5 V
IO = 500 mA
Full range
0.85
1
V
Switch off-state current
VI = 4.5 V,
VO = 30 V
25
°C
10
50
10
50
A
Switch off-state current
VI = 4.5 V,
VO = 30 V
Full range
200
500
µA
Sense voltage, CUR LIM SENS
VI = 6 V
25
°C
0.45
1
0.45
1
V
IO = 10 mA
Full range
0.75
0.85
0.75
0.95
Diode forward voltage
IO = 100 mA
Full range
0.9
1
0.9
1.1
V
Diode forward voltage
IO = 500 mA
Full range
1.33
1.55
1.33
1.75
V
Diode reverse voltage
IO = 500 µA
Full range
30
V
Diode reverse voltage
IO = 200 µA
Full range
30
V
On-state supply current
25
°C
11
14
11
14
mA
On-state supply current
Full range
15
16
mA
Off-state supply current
25
°C
6
9
6
9
mA
Off-state supply current
Full range
10
11
mA
† 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, VCC = 6 V, TA = 25°C (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TL497AY
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
High-level input current, INHIBIT
VI(I) = 5 V
0.8
mA
Low-level input current, INHIBIT
VI(I) = 0 V
5
µA
Comparator reference voltage
VI = 4.5 V to 6 V
1.2
V
Comparator input bias current
VI = 6 V
40
µA
Switch on-state voltage
VI = 4.5 V,
IO = 100 mA
0.13
V
Switch off-state current
VI = 4.5 V,
VO = 30 V
10
µA
IO = 10 mA
0.75
Diode forward voltage
IO = 100 mA
0.9
V
Diode forward voltage
IO = 500 mA
1.33
V
On-state supply current
11
mA
Off-state supply current
6
mA


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