NCP1201
http://onsemi.com
9
TYPICAL CHARACTERISTICS
Figure 21. FB Pin Pullup Resistor
vs. Junction Temperature
Figure 22. Feedback Pin to Pin 3 Current Setpoint Ratio
vs. Junction Temperature
Figure 23. BOK Threshold Voltage
vs. Junction Temperature
Figure 24. BOK Input Bias Current
vs. Junction Temperature
Figure 25. BOK Source Bias Current
vs. Junction Temperature
Figure 26. Skip Mode Threshold Voltage
vs. Junction Temperature
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
−25
1.15
V
SKIP
, SKIP CYCLE COMP
ARA
T
O
R
THRESHOLD VOL
T
AGE (V)
1.10
1.05
1.00
0.95
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
−25
19
R
UP
, INTERNAL PULLUP RESIST
OR (k
W
)
18
16
13
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
−25
51
I
SC
, BOK BIAS CURRENT (
m
A) 50
49
46
45
47
17
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
−25
2.00
V
th
, BOK INPUT THRESHOLD VOL
T
AGE (V) 1.95
1.85
1.75
1.70
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
−25
12
I
IB−
B
OK
, BOK INPUT BIAS CURRENT (nA)
9
8
7
6
10
1.90
15
14
11
48
V
BOK
< V
th
1.80
V
BOK
< V
th
T
J
, JUNCTION TEMPERATURE (
°
C)
125
100
75
50
25
0
−25
3.40
I
rati
o
, FEEDBACK PIN T
O
PIN 3
CURRENT RA
TIO
3.20
3.10
3.05
3.00
3.30
3.15
3.25
3.35
