AME8826_08 Datasheet, PDF (14/17 Pages) Analog Microelectronics – 1.55A CMOS LDO

AME
AME8826
1.55A CMOS LDO
n External Resistor Divider Table (contd.)
R1
(K Ohm)
1
2
5
10
20
50
100
200
500 1000
Vout
R2(kohm)=(1.242*R1(kohm))/(Vout-1.242)
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
3.55
3.60
3.65
3.70
3.75
3.80
3.85
3.90
3.95
4.00
4.05
4.10
4.15
4.20
4.25
4.30
4.35
4.40
4.45
4.50
4.55
4.60
4.65
4.70
4.75
4.80
4.85
4.90
4.95
5.00
0.65
0.63
0.62
0.60
0.59
0.58
0.56
0.55
0.54
0.53
0.52
0.51
0.50
0.49
0.48
0.47
0.46
0.45
0.44
0.43
0.43
0.42
0.41
0.41
0.40
0.39
0.39
0.38
0.38
0.37
0.36
0.36
0.35
0.35
0.34
0.34
0.33
0.33
1.30
1.27
1.24
1.21
1.18
1.15
1.13
1.10
1.08
1.05
1.03
1.01
0.99
0.97
0.95
0.93
0.92
0.90
0.88
0.87
0.85
0.84
0.83
0.81
0.80
0.79
0.77
0.76
0.75
0.74
0.73
0.72
0.71
0.70
0.69
0.68
0.67
0.66
3.25
3.17
3.09
3.02
2.95
2.88
2.81
2.75
2.69
2.63
2.58
2.53
2.48
2.43
2.38
2.34
2.29
2.25
2.21
2.17
2.14
2.10
2.06
2.03
2.00
1.97
1.94
1.91
1.88
1.85
1.82
1.80
1.77
1.75
1.72
1.70
1.67
1.65
6.51
6.34
6.19
6.03
5.89
5.76
5.63
5.50
5.38
5.27
5.16
5.05
4.95
4.86
4.76
4.67
4.59
4.50
4.42
4.35
4.27
4.20
4.13
4.06
4.00
3.93
3.87
3.81
3.75
3.70
3.64
3.59
3.54
3.49
3.44
3.40
3.35
3.30
13.02
12.69
12.37
12.07
11.78
11.51
11.25
11.00
10.76
10.53
10.32
10.11
9.90
9.71
9.52
9.35
9.17
9.01
8.85
8.69
8.54
8.40
8.26
8.12
7.99
7.87
7.74
7.62
7.51
7.40
7.29
7.18
7.08
6.98
6.88
6.79
6.70
6.61
32.55
31.72
30.93
30.17
29.46
28.78
28.13
27.50
26.91
26.34
25.79
25.26
24.76
24.28
23.81
23.36
22.93
22.52
22.12
21.73
21.35
20.99
20.64
20.31
19.98
19.66
19.36
19.06
18.77
18.49
18.22
17.96
17.70
17.45
17.21
16.98
16.75
16.52
65.09
63.43
61.85
60.35
58.92
57.55
56.25
55.00
53.81
52.67
51.58
50.53
49.52
48.55
47.62
46.73
45.86
45.03
44.23
43.46
42.71
41.99
41.29
40.61
39.96
39.33
38.72
38.12
37.55
36.99
36.44
35.92
35.40
34.91
34.42
33.95
33.50
33.05
130.19
126.86
123.71
120.70
117.84
115.11
112.50
110.01
107.63
105.34
103.16
101.06
99.04
97.11
95.25
93.45
91.73
90.07
88.46
86.91
85.42
83.98
82.58
81.23
79.92
78.66
77.43
76.24
75.09
73.97
72.89
71.83
70.81
69.81
68.85
67.91
66.99
66.10
325.47
317.16
309.26
301.75
294.59
287.77
281.25
275.02
269.06
263.36
257.89
252.64
247.61
242.77
238.11
233.63
229.32
225.16
221.15
217.28
213.55
209.94
206.45
203.07
199.81
196.64
193.58
190.61
187.73
184.93
182.22
179.58
177.02
174.54
172.12
169.76
167.48
165.25
650.94
634.32
618.53
603.50
589.18
575.53
562.50
550.04
538.13
526.72
515.78
505.29
495.22
485.54
476.23
467.27
458.64
450.33
442.31
434.57
427.10
419.88
412.90
406.15
399.61
393.29
387.16
381.22
375.45
369.86
364.44
359.17
354.05
349.07
344.24
339.53
334.95
330.49
Note: Small load(greater than 2 mA) is necessary as R1 or R2 is larger than 50 K Ohm. Otherwise, outputvoltage
probably cannot be pulled down to 0 V on disable mode.
14
Rev.D.04