参数资料
型号: TL497ACDR
厂商: Texas Instruments
文件页数: 4/20页
文件大小: 0K
描述: IC REG BUCK BOOST INV ADJ 14SOIC
标准包装: 1
类型: 降压(降压),升压(升压),反相
输出类型: 可调式
输出数: 1
输出电压: -25 V ~ 30 V
输入电压: 4.5 V ~ 12 V
电流 - 输出: 500mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 剪切带 (CT)
供应商设备封装: 14-SOIC
产品目录页面: 1074 (CN2011-ZH PDF)
其它名称: 296-10195-1
TL497A
500 mA PEAK STEP UP, STEP DOWN, INVERTING SWITCHING VOLTAGE REGULATOR
SLVS009F ? JUNE 1976 ? REVISED FEBRUARY 2005
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
Switch off-state current
Sense voltage, CUR LIM SENS
TEST CONDITIONS
VI(I) = 5 V
VI(I) = 0 V
VI = 4.5 V to 6 V
VI = 6 V
IO = 100 mA
VI = 4.5 V
IO = 500 mA
VI = 4.5 V,
VO = 30 V
VI = 6 V
T A ?
Full range
Full range
Full range
Full range
25 ° C
Full range
25 ° C
Full range
25 ° C
MIN
1.08
0.45
T L497A C
TYP?
0.8
5
1.2
40
0.13
10
MAX
1.5
10
1.32
100
0.2
0.85
50
200
1
MIN
1.14
0.45
TL497AI
TYP?
0.8
5
1.2
40
0.13
10
MAX
1.5
20
1.26
100
0.2
1
50
500
1
UNIT
mA
μ A
V
μ A
V
μ A
V
IO = 10 mA
Full range
0.75
0.85
0.75
0.95
Diode forward voltage
Diode reverse voltage
On-state supply current
Off-state supply current
IO = 100 mA
IO = 500 mA
IO = 500 μ A
IO = 200 μ A
Full range
Full range
Full range
Full range
25 ° C
Full range
25 ° C
Full range
30
0.9
1.33
11
6
1
1.55
14
15
9
10
30
0.9
1.33
11
6
1.1
1.75
14
16
9
11
V
V
mA
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, V CC = 6 V, T A = 25 ° C (unless
otherwise noted)
T L497A Y
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
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
MIN
TYP
0.8
5
1.2
40
0.13
10
MAX
UNIT
mA
μ A
V
μ A
V
μ A
IO = 10 mA
0.75
4
Diode forward voltage
On-state supply current
Off-state supply current
POST OFFICE BOX 655303
IO = 100 mA
IO = 500 mA
? DALLAS, TEXAS 75265
0.9
1.33
11
6
V
mA
mA
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