Datasheet

ADP2126/ADP2127 Data Sheet
Rev. B | Page 8 of 20
1.2
0
0.2
0.4
0.6
0.8
1.0
2.1 5.14.64.13.63.12.6
SHUTDOWN CURRENT (µA)
INPUT VOLTAGE (V)
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
09658-012
Figure 11. Shutdown Current vs. Input Voltage
500
200
250
300
350
400
450
2.1 5.14.64.13.63.12.6
PFM MODE QUIESCENT CURRENT (µA)
INPUT VOLTAGE (V)
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
09658-013
Figure 12. PFM Mode Quiescent Current vs. Input Voltage
17
5
7
9
11
13
15
2.1 5.14.64.13.63.12.6
PWM MODE QUIESCENT CURRENT (mA)
INPUT VOLTAGE (V)
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
09658-014
Figure 13. PWM Mode Quiescent Current vs. Input Voltage
450
150
200
250
300
350
400
2.1 5.14.64.13.63.12.6
N-CHANNEL RDSON (mΩ)
INPUT VOLTAGE (V)
T
A
= –40°C
T
A
= +25°C
T
A
= +105°C
I
SW
= 500mA
09658-015
Figure 14. NMOS Drain-to-Source On Resistance
400
100
150
200
250
300
350
2.1 5.14.64.13.63.12.6
P-CHANNEL RDSON (mΩ)
INPUT VOLTAGE (V)
T
A
= –40°C
T
A
= +25°C
T
A
= +105°C
I
SW
= 500mA
09658-016
Figure 15. PMOS Drain-to-Source On Resistance
TIME (200µs/DIV)
OUTPUT VOLTAGE (200mV/DIV)
INDUCTOR CURRENT (1A/DIV)
09658-017
1
4
Figure 16. Output Short-Circuit Response