
ADP2164 Data Sheet
Rev. 0 | Page 8 of 20
606
605
604
603
602
601
600
599
598
597
596
595
594
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
FEEDBACK VOLTAGE (mV)
09944-010
Figure 10. Feedback Voltage vs. Temperature, V
IN
= 3.3 V
80
70
60
50
40
30
20
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
V
IN
(V)
PFET RESISTOR (mΩ)
09944-011
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
Figure 11. PFET Resistor vs. V
IN
(Pin-to-Pin Measurements)
1300
1275
1250
1225
1200
1175
1100
1150
1125
FREQUENCY (kHz)
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
V
IN
(V)
09944-012
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
Figure 12. Switching Frequency vs. V
IN
, f
S
= 1.2 MHz (RT = VIN)
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
ENABLE THRESHOLD (V)
09944-013
RISING
FALLING
Figure 13. EN Threshold vs. Temperature
60
50
40
30
20
10
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
V
IN
(V)
NFET RESISTOR (mΩ)
09944-014
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
Figure 14. NFET Resistor vs. V
IN
(Pin-to-Pin Measurements)
650
640
630
620
610
600
590
580
550
570
560
FREQUENCY (kHz)
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
V
IN
(V)
09944-015
T
J
= –40°C
T
J
= +25°C
T
J
= +125°C
Figure 15. Switching Frequency vs. V
IN
, f
S
= 600 kHz (RT = GND)