Datasheet

Data Sheet ADP1612/ADP1613
Rev. D | Page 21 of 28
06772-067
ADP1613
6
3
7
8
5
2
1
4
VIN
EN
FREQ
SS
SW
FB
COMP
GND
ON
OFF
V
OUT
= 15VV
IN
= 3.3V TO 5.5V
L1
10µH
C
SS
33nF
C
OUT
10µF
C
COMP
1200pF
R
COMP
8.2kΩ
R1
110kΩ
R2
10kΩ
D1
3A, 40V
C
IN
10µF
L1: DO3316P-103ML
D1: MBRA340T3G
R1: ERJ-6ENF1103V
R2: CRCW080510K0FKEA
R
COMP
: RC0805JR-078K2L
C
COMP
: ECJ-2VB1H122K
C
IN
: GRM21BR61C106KE15L
C
OUT
: GRM32DR71E106KA12L
C
SS
: ECJ-2VB1H333K
Figure 65. ADP1613 Step-Up Regulator Configuration
V
OUT
= 15 V, f
SW
= 1.3 MHz
100
90
80
70
60
50
40
30
20
1 10 100 1k
LOAD CURRENT (mA)
EFFICIENCY (%)
06772-068
V
OUT
= 15V
f
SW
= 1.3MHz
T
A
= 25°C
ADP1613
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 5.5V
Figure 66. ADP1613 Efficiency vs. Load Current
V
OUT
= 15 V, f
SW
= 1.3 MHz
06772-069
V
OUT
= 15V
f
SW
= 1.3MHz
T
TIME (100µs/DIV)
OUTPUT VOLTAGE (200mV/DIV)
AC-COUPLED
LOAD CURRENT (50mA/DIV)
Figure 67. ADP1613 50 mA to 150 mA Load Transient (V
IN
= 5 V)
V
OUT
= 15 V, f
SW
= 1.3 MHz
06772-070
ADP1613
6
3
7
8
5
2
1
4
VIN
EN
FREQ
SS
SW
FB
COMP
GND
ON
OFF
V
OUT
= 20VV
IN
= 3.3V TO 5.5V
L1
15µH
C
SS
33nF
C
OUT
10µF
C
COMP
820pF
R
COMP
18kΩ
R1
150kΩ
R2
10kΩ
D1
3A, 40V
C
IN
10µF
L1: DO3316P-153ML
D1: MBRA340T3G
R1: RC0805JR-07150KL
R2: CRCW080510K0FKEA
R
COMP
: RC0805JR-0718KL
C
COMP
: CC0805KRX7R9BB821
C
IN
: GRM21BR61C106KE15L
C
OUT
: GRM32DR71E106KA12L
C
SS
: ECJ-2VB1H333K
Figure 68. ADP1613 Step-Up Regulator Configuration
V
OUT
= 20 V, f
SW
= 650 kHz
100
90
80
70
60
50
40
30
1 10 100 1k
LOAD CURRENT (mA)
EFFICIENCY (%)
06772-071
V
OUT
= 20V
f
SW
= 650kHz
T
A
= 25°C
ADP1613
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 5.5V
Figure 69. ADP1613 Efficiency vs. Load Current
V
OUT
= 20 V, f
SW
= 650 kHz
06772-072
V
OUT
= 20V
f
SW
= 650kHz
T
TIME (100µs/DIV)
OUTPUT VOLTAGE (200mV/DIV)
AC-COUPLED
LOAD CURRENT (50mA/DIV)
Figure 70. ADP1613 50 mA to 150 mA Load Transient (V
IN
= 5 V)
V
OUT
= 20 V, f
SW
= 650 kHz