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TL499ACPE4 数据表(PDF) 9 Page - Texas Instruments

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部件名 TL499ACPE4
功能描述  Wide-Range Power-Supply Controllers
Download  19 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TL499ACPE4 数据表(HTML) 9 Page - Texas Instruments

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TL499A
www.ti.com
SLVS029H – JANUARY 1984 – REVISED NOVEMBER 2015
Table 3. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With
RCL = 300 Ω (continued)
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2) (V)
OUTPUT
1.1
1.2
1.3
1.5
1.7
2
2.5
3
5
6
9
VOLTAGE (V)
OUTPUT CURRENT (mA)
5
30
30
35
45
50
65
85
100
Circuit of Figure 1, except:
4.5
30
35
40
45
55
70
95
100(1)
RCL = 300 Ω
CF = 330 μF
3
45
50(1)
55(1)
70(1)
90(1)
CP = 0.1 μF
2.9
45(1)
50(1)
60(1)
75(1)
95(1)
(1)
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 4. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With
RCL = 510 Ω
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2) (V)
OUTPUT
1.1
1.2
1.3
1.5
1.7
2
2.5
3
5
6
9
VOLTAGE (V)
OUTPUT CURRENT (mA)
30
30
50
25
25
40
75
20
40
55
90
15
15
20
55
70
100
12
10
15
25
35
65
80
100
10
10
20
25
30
40
70
85
9
10
10
10
15
20
25
35
45
75
100
6
15
20
20
25
30
35
50
60
5
20
20
35
30
35
45
55
70
Circuit of Figure 1, except:
4.5
25
25
30
35
40
50
65
90(1)
RCL = 510 Ω
CF = 330 μF
3
35
35(1)
40(1)
50(1)
75(1)
CP = 0.1 μF
2.9
35(1)
35(1)
40(1)
55(1)
80(1)
(1)
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 5. Maximum Output Current vs Input and Output Voltages for Step-Up Switching Regulator With
RCL = 1 kΩ
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2) (V)
OUTPUT
1.1
1.2
1.3
1.5
1.7
2
2.5
3
5
6
9
VOLTAGE (V)
OUTPUT CURRENT (mA)
30
35
25
35
50
20
35
60
15
10
30
45
65
12
20
40
45
85
10
15
25
40
55
9
10
10
15
25
30
45
60
6
10
10
10
15
20
20
30
35
5
10
10
15
20
20
25
35
40
Circuit of Figure 1, except:
4.5
15
15
15
20
25
30
40
45(1)
RCL = 1 kΩ
CF = 330 μF
3
20
25(1)
25(1)
30(1)
35(1)
CP = 0.1 μF
2.9
20(1)
25(1)
25(1)
30(1)
45(1)
(1)
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).
Copyright © 1984–2015, Texas Instruments Incorporated
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