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TL497ACN 参数 Datasheet PDF下载

TL497ACN图片预览
型号: TL497ACN
PDF下载: 下载PDF文件 查看货源
内容描述: 开关稳压器 [SWITCHING VOLTAGE REGULATORS]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器
文件页数/大小: 9 页 / 139 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TL497A  
SWITCHING VOLTAGE REGULATORS  
SLVS009D – JUNE 1976 – REVISED JULY 1999  
electrical characteristics over recommended operating conditions, V  
noted)  
= 6 V (unless otherwise  
CC  
TL497AC  
TL497AI  
UNIT  
PARAMETER  
TEST CONDITIONS  
T
A
MIN TYP  
MAX  
1.5  
10  
MIN TYP  
MAX  
1.5  
20  
High-level input current, INHIBIT  
Low-level input current, INHIBIT  
Comparator reference voltage  
Comparator input bias current  
V
V
= 5 V  
= 0 V  
Full range  
Full range  
Full range  
Full range  
25°C  
0.8  
5
0.8  
5
mA  
µA  
V
I(I)  
I(I)  
V = 4.5 V to 6 V  
1.08  
1.2  
40  
1.32  
100  
0.2  
0.85  
50  
1.14  
1.2  
40  
1.26  
100  
0.2  
1
I
V = 6 V  
µA  
I
I
I
= 100 mA  
= 500 mA  
0.13  
0.13  
O
Switch on-state voltage  
V = 4.5 V  
V
I
Full range  
25°C  
O
10  
10  
50  
Switch off-state current  
V = 4.5 V,  
V
O
= 30 V  
µA  
I
Full range  
25°C  
200  
1
500  
1
Sense voltage, CUR LIM SENS  
V = 6 V  
0.45  
0.45  
30  
V
I
I
O
I
O
I
O
I
O
I
O
= 10 mA  
= 100 mA  
= 500 mA  
= 500 µA  
= 200 µA  
Full range  
Full range  
Full range  
Full range  
Full range  
25°C  
0.75  
0.9  
0.85  
1
0.75  
0.9  
0.95  
1.1  
1.75  
Diode forward voltage  
V
1.33  
1.55  
1.33  
Diode reverse voltage  
On-state supply current  
Off-state supply current  
V
30  
11  
6
14  
15  
9
11  
6
14  
16  
9
mA  
mA  
Full range  
25°C  
Full range  
10  
11  
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 T = 25°C.  
A
electrical characteristics over recommended operating conditions, V  
otherwise noted)  
= 6 V, T = 25°C (unless  
CC  
A
TL497AY  
UNIT  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
0.8  
5
MAX  
High-level input current, INHIBIT  
V
V
= 5 V  
= 0 V  
mA  
µA  
V
I(I)  
Low-level input current, INHIBIT  
Comparator reference voltage  
Comparator input bias current  
Switch on-state voltage  
I(I)  
V = 4.5 V to 6 V  
1.2  
40  
I
V = 6 V  
µA  
V
I
V = 4.5 V,  
I
O
= 100 mA  
0.13  
10  
I
Switch off-state current  
V = 4.5 V,  
V
O
= 30 V  
µA  
I
I
O
I
O
I
O
= 10 mA  
= 100 mA  
= 500 mA  
0.75  
0.9  
1.33  
11  
Diode forward voltage  
V
On-state supply current  
Off-state supply current  
mA  
mA  
6
4
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