Datasheet

ADP1612/ADP1613 Data Sheet
Rev. D | Page 18 of 28
06772-049
ADP1612
6
3
7
8
5
2
1
4
VIN
EN
FREQ
SS
SW
FB
COMP
GND
ON
OFF
V
OUT
= 12VV
IN
= 2.7V TO 5V
L1
6.8µH
C
SS
33nF
C
OUT
10µF
C
COMP
680pF
R
COMP
18kΩ
R1
86.6kΩ
R2
10kΩ
D1
2A, 20V
C
IN
10µF
L1: DO3316P-682ML
D1: DFLS220L-7
R1: ERJ-6ENF8662V
R2: CRCW080510K0FKEA
R
COMP
: RC0805JR-0718KL
C
COMP
: CC0805KRX7R9BB681
C
IN
: GRM21BR61C106KE15L
C
OUT
: GRM32DR71E106KA12L
C
SS
: ECJ-2VB1H333K
Figure 47. ADP1612 Step-Up Regulator Configuration
V
OUT
= 12 V, f
SW
= 1.3 MHz
100
90
80
70
60
50
40
30
1 10 100 1k
LOAD CURRENT (mA)
EFFICIENCY (%)
06772-050
V
OUT
= 12V
f
SW
= 1.3MHz
T
A
= 25°C
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
ADP1612
Figure 48. ADP1612 Efficiency vs. Load Current
V
OUT
= 12 V, f
SW
= 1.3 MHz
06772-051
V
OUT
= 12V
f
SW
= 1.3MHz
T
TIME (100µs/DIV)
OUTPUT VOLTAGE (100mV/DIV)
AC-COUPLED
LOAD CURRENT (50mA/DIV)
Figure 49. ADP1612 50 mA to 150 mA Load Transient (V
IN
= 3.3 V)
V
OUT
= 12 V, f
SW
= 1.3 MHz
06772-052
ADP1612
6
3
7
8
5
2
1
4
VIN
EN
FREQ
SS
SW
FB
COMP
GND
ON
OFF
V
OUT
= 15VV
IN
= 2.7V TO 5V
L1
15µH
C
SS
33nF
C
OUT
10µF
C
COMP
1800pF
R
COMP
22kΩ
R1
110kΩ
R2
10kΩ
D1
2A, 20V
C
IN
10µF
L1: DO3316P-153ML
D1: DFLS220L-7
R1: ERJ-6ENF1103V
R2: CRCW080510K0FKEA
R
COMP
: RC0805JR-0722KL
C
COMP
: ECJ-2VB1H182K
C
IN
: GRM21BR61C106KE15L
C
OUT
: GRM32DR71E106KA12L
C
SS
: ECJ-2VB1H333K
Figure 50. ADP1612 Step-Up Regulator Configuration
V
OUT
= 15 V, f
SW
= 650 kHz
100
90
80
70
60
50
40
1 10 100 1k
LOAD CURRENT (mA)
EFFICIENCY (%)
06772-053
V
OUT
= 15V
f
SW
= 650kHz
T
A
= 25°C
ADP1612
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
Figure 51. ADP1612 Efficiency vs. Load Current
V
OUT
= 15 V, f
SW
= 650 kHz
06772-054
V
OUT
= 15V
f
SW
= 650kHz
T
TIME (100µs/DIV)
OUTPUT VOLTAGE (200mV/DIV)
AC-COUPLED
LOAD CURRENT (50mA/DIV)
Figure 52. ADP1612 50 mA to 150 mA Load Transient (V
IN
= 3.3 V)
V
OUT
= 15 V, f
SW
= 650 kHz