Datasheet

Data Sheet ADP1612/ADP1613
Rev. D | Page 17 of 28
06772-043
ADP1612
6
3
7
8
5
2
1
4
VIN
EN
FREQ
SS
SW
FB
COMP
GND
ON
OFF
V
OUT
= 5VV
IN
= 1.8V TO 4.2V
L1
4.7µH
C
SS
33nF
C
OUT
10µF
C
COMP
1200pF
R
COMP
12kΩ
R1
30kΩ
R2
10kΩ
C
IN
10µF
L1: DO3316P-472ML
D1: MBRA340T3G
R1: RC0805FR-0730KL
R2: CRCW080510K0FKEA
R
COMP
: RC0805JR-0712KL
C
COMP
: ECJ-2VB1H122K
C
IN
: GRM21BR61C106KE15L
C
OUT
: GRM32DR71E106KA12L
C
SS
: ECJ-2VB1H333K
D1
3A, 40V
Figure 41. ADP1612 Step-Up Regulator Configuration
V
OUT
= 5 V, f
SW
= 1.3 MHz
100
90
80
70
60
50
40
30
1 10 100 1k 10k
LOAD CURRENT (mA)
EFFICIENCY (%)
06772-044
V
OUT
= 5V
f
SW
= 1.3MHz
T
A
= 25°C
V
IN
= 1.8V
V
IN
= 2.7V
V
IN
= 3.3V
V
IN
= 4.2V
ADP1612
Figure 42. ADP1612 Efficiency vs. Load Current
V
OUT
= 5 V, f
SW
= 1.3 MHz
06772-045
V
OUT
= 5V
f
SW
= 1.3MHz
T
TIME (100µs/DIV)
OUTPUT VOLTAGE (50mV/DIV)
AC-COUPLED
LOAD CURRENT (50mA/DIV)
Figure 43. ADP1612 50 mA to 150 mA Load Transient (V
IN
= 3.3 V)
V
OUT
= 5 V, f
SW
= 1.3 MHz
06772-046
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
10µH
C
SS
33nF
C
OUT
10µF
C
COMP
1800pF
R
COMP
22kΩ
R1
86.6kΩ
R2
10kΩ
D1
2A, 20V
C
IN
10µF
L1: DO3316P-103ML
D1: DFLS220L-7
R1: ERJ-6ENF8662V
R2: CRCW080510K0FKEA
R
COMP
: RC0805JR-0722KL
C
COMP
: ECJ-2VB1H182K
C
IN
: GRM21BR61C106KE15L
C
OUT
: GRM32DR71E106KA12L
C
SS
: ECJ-2VB1H333K
Figure 44. ADP1612 Step-Up Regulator Configuration
V
OUT
= 12 V, f
SW
= 650 kHz
100
90
80
70
60
50
40
1 10 100 1k
LOAD CURRENT (mA)
EFFICIENCY (%)
06772-047
V
OUT
= 12V
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 45. ADP1612 Efficiency vs. Load Current
V
OUT
= 12 V, f
SW
= 650 kHz
06772-048
V
OUT
= 12V
f
SW
= 650kHz
T
TIME (100µs/DIV)
OUTPUT VOLTAGE (100mV/DIV)
AC-COUPLED
LOAD CURRENT (50mA/DIV)
Figure 46. ADP1612 50 mA to 150 mA Load Transient (V
IN
= 3.3 V)
V
OUT
= 12 V, f
SW
= 650 kHz