Datasheet

ADP2370/ADP2371 Data Sheet
Rev. C | Page 8 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
BUCK OUTPUT
Using recommended inductor values, I
OUT
= 10 mA, C
IN
= C
OUT
= 10 µF, automatic PSM/PWM mode, T
A
= 25°C, unless otherwise noted.
0
5
10
15
20
25
3 4
5 6 7
8
9
10
1
1 12
13 14
15 16
QUIESCENT CURRENT (µA)
INPUT VOLTAGE (V)
–40°C
–
5
°C
+25°C
+
85
°C
+125°C
09531-003
Figure 3. Quiescent Supply Current vs. Input Voltage, Nonswitching,
Different Temperatures
500
600
550
650
700
750
800
3 4 5 6 7 8 9 10 11 12 13 14 15
FPWM QUIESCENT CURRENT (µA)
INPUT VOLTAGE (V)
–40°C
–5°C
+25°C
+85°C
+125°C
09531-004
Figure 4. FPWM Quiescent Supply Current vs. Input Voltage, Nonswitching,
Different Temperatures
0.55
0.57
0.59
0.61
0.63
0.65
1.10
1.12
1.14
1.16
1.18
1.20
1.22
1.24
1.26
1.28
1.30
–45
–25
–5
15
35 55 75
95
115
135
TEMPERATURE (°C)
1.2M
Hz
600kHz
FREQUENCY (MHz) FREQUENCY (MHz)
09531-005
Figure 5. Switching Frequency vs. Temperature, FPWM Mode, V
IN
= 8 V
0.55
0.57
0.59
0.61
0.63
0.65
1.10
1.12
1.14
1.16
1.18
1.20
1.22
1.24
1.26
1.28
1.30
3 5 7
9 11 13 15
INPUT VOLTAGE (V)
1.2MHz
600kHz
09531-006
FREQUENCY (MHz) FREQUENCY (MHz)
Figure 6. Switching Frequency vs. Input Voltage, FPWM Mode
3.10
3.15
3.20
3.25
3.30
3.35
3.40
–40 –5
25 85
125
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
0.1
mA
1
m
A
5
mA
10mA
50mA
100mA
300mA
800mA
09531-007
Figure 7. Output Voltage vs. Temperature, V
OUT
= 3.3 V, V
IN
= 7.3 V,
Different Loads
–40 –5 25 85
125
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
09531-008
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
0.1mA
1mA
5mA
10mA
50mA
100mA
300mA
800mA
Figure 8. Output Voltage vs. Temperature, V
OUT
= 5 V, V
IN
= 7.2 V,
Different Loads