Datasheet

ADP5052 Data Sheet
Rev. 0 | Page 30 of 40
RECOMMENDED EXTERNAL COMPONENTS
Table 13 lists the recommended external components for 4 A applications used with Channel 1 and Channel 2 of the ADP5052.
Table 14 lists the recommended external components for 1.2 A applications used with Channel 3 and Channel 4.
Table 13. Recommended External Components for Typical 4 A Applications, Channel 1 and Channel 2
(±1% Output Ripple, ±7.5% Tolerance at ~60% Step Transient)
f
SW
(kHz) I
OUT
(A) V
IN
(V) V
OUT
(V) L (µH) C
OUT
(µF) R
TOP
(kΩ) R
BOT
(kΩ) R
C
(kΩ) C
C
(pF) Dual FET
300 4 12 (or 5) 1.2 3.3 2 × 100
1
4.99 10 10 4700 Si7232DN
12 (or 5) 1.5 3.3 2 × 100
1
8.87 10.2 10 4700 Si7232DN
12 (or 5) 1.8 3.3 3 × 47
2
12.7 10.2 6.81 4700 Si7232DN
12 (or 5) 2.5 4.7 3 × 47
2
21.5 10.2 10 4700 Si7232DN
12 (or 5) 3.3 6.8 3 × 47
2
31.6 10.2 10 4700 Si7232DN
12 5.0 6.8 47
3
52.3 10 4.7 4700 Si7232DN
600
4
12 (or 5)
1.2
1.5
2 × 47
2
4.99
10
10
2700
Si7232DN
12 (or 5) 1.5 1.5 2 × 47
2
8.87 10.2 10 2700 Si7232DN
12 (or 5) 1.8 2.2 2 × 47
2
12.7 10.2 10 2700 Si7232DN
12 (or 5) 2.5 2.2 2 × 47
2
21.5 10.2 10 2700 Si7232DN
12 (or 5) 3.3 3.3 2 × 47
2
31.6 10.2 15 2700 Si7232DN
12 5.0 3.3 47
3
52.3 10 10 2700 Si7232DN
1000 4 5 1.2 1.0 2 × 47
2
4.99 10 15 1500 Si7232DN
5 1.5 1.0 2 × 47
2
8.87 10.2 15 1500 Si7232DN
12 (or 5) 1.8 1.0 47
2
12.7 10.2 10 1500 Si7232DN
12 (or 5) 2.5 1.5 47
2
21.5 10.2 10 1500 Si7232DN
12 (or 5) 3.3 1.5 47
2
31.6 10.2 10 1500 Si7232DN
12 5.0 2.2 47
3
52.3 10 15 1500 Si7232DN
1
100 µF capacitor: Murata GRM31CR60J107ME39 (6.3 V, X5R, 1206).
2
47 µF capacitor: Murata GRM21BR60J476ME15 (6.3 V, X5R, 0805).
3
47 µF capacitor: Murata GRM31CR61A476ME15 (10 V, X5R, 1206).
Table 14. Recommended External Components for Typical 1.2 A Applications, Channel 3 and Channel 4
(±1% Output Ripple, ±7.5% Tolerance at ~60% Step Transient)
f
SW
(kHz) I
OUT
(A) V
IN
(V) V
OUT
(V) L (µH) C
OUT
(µF) R
TOP
(kΩ) R
BOT
(kΩ) R
C
(kΩ) C
C
(pF)
300 1.2 12 (or 5) 1.2 10 2 × 22
1
4.99 10 6.81 4700
12 (or 5) 1.5 10 2 × 22
1
8.87 10.2 6.81 4700
12 (or 5) 1.8 15 2 × 22
1
12.7 10.2 6.81 4700
12 (or 5) 2.5 15 2 × 22
1
21.5 10.2 6.81 4700
12 (or 5) 3.3 22 2 × 22
1
31.6 10.2 6.81 4700
12 5.0 22 22
2
52.3 10 6.81 4700
600 1.2 12 (or 5) 1.2 4.7 22
1
4.99 10 6.81 2700
12 (or 5) 1.5 6.8 22
1
8.87 10.2 6.81 2700
12 (or 5) 1.8 6.8 22
1
12.7 10.2 6.81 2700
12 (or 5) 2.5 10 22
1
21.5 10.2 6.81 2700
12 (or 5) 3.3 10 22
1
31.6 10.2 6.81 2700
12 5.0 10 22
2
52.3 10 6.81 2700
1000 1.2 5 1.2 2.2 22
1
4.99 10 10 1800
12 (or 5) 1.5 3.3 22
1
8.87 10.2 10 1800
12 (or 5) 1.8 4.7 22
1
12.7 10.2 10 1800
12 (or 5)
2.5
4.7
22
1
21.5
10.2
10
1800
12 (or 5)
3.3
6.8
22
1
31.6
10.2
10
1800
12 5.0 6.8 22
2
52.3 10 15 1800
1
22 µF capacitor: Murata GRM188R60J226MEA0 (6.3 V, X5R, 0603).
2
22 µF capacitor: Murata GRM219R61A226MEA0 (10 V, X5R, 0805).