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)
1251007550250-- 2 5
1.15
V
SKIP
, SKIP CYCLE COMPARATOR
THRESHOLD VOLTAGE (V)
1.10
1.05
1.00
0.95
T
J
, JUNCTION TEMPERATURE (C)
1251007550250-- 2 5
19
R
UP
, INTERNAL PULLUP RESISTOR (kΩ)
18
16
13
T
J
, JUNCTION TEMPERATURE (C)
1251007550250-- 2 5
51
I
SC
, BOK BIAS CURRENT (mA)
50
49
46
45
47
17
T
J
, JUNCTION TEMPERATURE (C)
1251007550250-- 2 5
2.00
V
th
, BOK INPUT THRESHOLD VOLTAGE (V)
1.95
1.85
1.75
1.70
T
J
, JUNCTION TEMPERATURE (C)
1251007550250-- 2 5
12
I
IB--BOK
, B OK INPUT BIAS CURRENT (nA)
9
8
7
6
101.90
15
14
11
48
V
BOK
<V
th
1.80
V
BOK
<V
th
T
J
, JUNCTION TEMPERATURE (C)
1251007550250-- 2 5
3.40
I
ratio
, FEEDBACK PIN TO PIN 3
CURRENT RATIO
3.20
3.10
3.05
3.00
3.30
3.15
3.25
3.35