參數(shù)資料
型號(hào): TL497ACNSE4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.5 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO14
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 324K
代理商: TL497ACNSE4
TL497A
SWITCHING VOLTAGE REGULATORS
SLVS009D – JUNE 1976 – REVISED JULY 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions, VCC = 6 V (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
T
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
A
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
A
Switch on state voltage
VI =4 5V
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 5V
VO =30V
25
°C
10
50
10
50
A
Switch off-state current
VI = 4.5 V,
VO = 30 V
Full range
200
500
A
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
IO = 500 mA
Full range
1.33
1.55
1.33
1.75
Diode reverse voltage
IO = 500 A
Full range
30
V
Diode reverse voltage
IO = 200 A
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
A
Comparator reference voltage
VI = 4.5 V to 6 V
1.2
V
Comparator input bias current
VI = 6 V
40
A
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
A
IO = 10 mA
0.75
Diode forward voltage
IO = 100 mA
0.9
V
IO = 500 mA
1.33
On-state supply current
11
mA
Off-state supply current
6
mA
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