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TL499 Datasheet(PDF) 7 Page - Texas Instruments

Part # TL499
Description  WIDE-RANGE POWER-SUPPLY CONTROLLERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TL499 Datasheet(HTML) 7 Page - Texas Instruments

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TL499A
WIDE-RANGE POWER-SUPPLY CONTROLLERS
SLVS029F – JANUARY 1984 – REVISED MAY 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Table 4. Maximum Output Current vs Input and Output Voltages
for Step-Up Switching Regulator With RCL = 510 Ω
OUTPUT
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2)
(V)
OUTPUT
VOLTAGE
1.1
1.2
1.3
1.5
1.7
2
2.5
3
5
6
9
(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
25
30
35
45
55
70
Circuit of Figure 1, except:
4.5
20
25
30
35
40
50
65
90†
RCL = 510 Ω
3
35
35†
40†
50†
75†
CF = 330 µF
2.9
35†
35†
40†
55†
80†
CP = 0.1 µF
† 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
OUTPUT
SWITCHING REGULATOR INPUT VOLTAGE (SW REG IN2)
(V)
OUTPUT
VOLTAGE
1.1
1.2
1.3
1.5
1.7
2
2.5
3
5
6
9
(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†
RCL = 1 kΩ
3
20
25†
25†
30†
35†
CF = 330 µF
2.9
20†
25†
25†
30†
45†
CP = 0.1 µF
† 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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