參數(shù)資料
型號(hào)： TL499
廠商： Texas Instruments, Inc.
英文描述： WIDE-RANGE POWER-SUPPLY CONTROLLERS
中文描述： 寬范圍電源控制器
文件頁(yè)數(shù)： 6/8頁(yè)
文件大?。?/td> 114K
代理商： TL499
TL499A
WIDE-RANGE POWER-SUPPLY CONTROLLERS
SLVS029F – JANUARY 1984 – REVISED MAY 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 2. Maximum Output Current vs Input and Output Voltages
for Step-Up Switching Regulator With R
CL
= 200
OUTPUT
VOLTAGE
(V)
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2)
(V)
1.1
1.2
1.3
1.5
1.7
OUTPUT CURRENT
(mA)
2
2.5
3
5
6
9
30
50
100
25
50
70
100
20
15
25
30
70
90
100
15
10
15
25
35
45
90
100
100
12
10
10
15
20
25
35
45
60
100
100
100
10
15
20
20
25
30
40
55
70
100
100
9
20
20
25
30
35
45
60
80
100
6
25
30
35
45
50
65
90
100
5
30
35
35
40
55
60
40
45
65
65
55
55
80
85
60
65
90
100
75
85
100
100
100
100
Circuit of Figure 1, except:
RCL = 200
CF = 330
μ
F
CP = 0.1
μ
F
4.5
3
50
50
2.9
The difference between the output and input voltage for these combinations is greater than the minimum
output-to-input differential-voltage specification at 70
°
C (1.2 V), but less than the minimum at 85
°
C (1.9 V).
Table 3. Maximum Output Current vs Input and Output Voltages
for Step-Up Switching Regulator With R
CL
= 300
OUTPUT
VOLTAGE
(V)
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2)
(V)
1.1
1.2
1.3
1.5
1.7
OUTPUT CURRENT
(mA)
2
2.5
3
5
6
9
30
40
70
25
40
55
100
20
10
15
20
55
70
100
15
10
10
20
30
35
75
95
100
12
10
10
10
15
20
25
35
45
95
100
100
10
15
15
15
20
25
30
45
55
100
100
9
15
15
20
25
30
35
50
60
100
100
6
25
25
30
35
45
55
70
90
5
30
30
30
35
50
50
35
40
55
60
45
45
70
75
50
55
90
95
65
70
85
95
100
100
Circuit of Figure 1, except:
RCL = 300
CF = 330
μ
F
CP = 0.1
μ
F
4.5
3
45
45
2.9
The difference between the output and input voltage for these combinations is greater than the minimum
output-to-input differential-voltage specification at 70
°
C (1.2 V), but less than the minimum at 85
°
C (1.9 V).
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