TND307 ONSEMI [ON Semiconductor], TND307 Datasheet - Page 5

• Manufacturer Part Number: TND307
• Description: Graphical Data Test Circuits for the NCP1650
• Manufacturer: ONSEMI [ON Semiconductor]

precision supply with resolution of 1 mV or less, adjust the
voltage at pin 6 for zero current out of pin 7. The voltage at
pin 6 will be the effective 4.0 V reference voltage.
V
Energize unit by applying 14 volt supply. Using a
1.5 V
3.3 k
Re: NCP1650/D data sheet, Figure 23
Figure 17. Bias Current versus V
0–5 V
Figure 15. Voltage Error Amplifier Gain
Re: NCP1650/D data sheet, Figure 21
3.3 k
3
4
5
6
7
8
9
V
1.5 V
GND
1 k
AC Comp
Ref Filter
AC Input
FB/SD
Loop Comp
P
P
V
comp
max
1
V
15
in
9
6
5
7
3
4
8
C
14
T
P
FB/SD
AC Input
Loop Comp
AC Comp
Ref Filter
P
GND
A
max
comp
1
C
V
470 pF
15
T
in
Output
2
I
13
V
avg fltr
Ramp
Comp
ref
I
avg
I
0.1 mF
S–
C
47 k
T
14
16
12
10
11
Output
I
2
V
avg fltr
Ramp
Comp
ref
I
I
avg
0.1 mF
S–
CC
13
47 k
1 mF
16
12
10
11
1 nF
V
CC
http://onsemi.com
1 mF
14 V
TND307
V
5
precision supply with resolution of 1 mV or less, adjust the
voltage at pin 9 for zero current out of pin 8. The voltage at
pin 9 will be the effective 2.5 V reference voltage.
Figure 18. V
3.3 k
0–5 V
Energize unit by applying 14 volt supply. Using a
Figure 16. Power Error Amplifier Gain
Re: NCP1650/D data sheet, Figure 22
Re: NCP1650/D data sheet, Figure 24
3.3 k
V
1.5 V
1 k
V
3
4
5
6
7
8
9
V
GND
AC Comp
Ref Filter
AC Input
FB/SD
Loop Comp
P
P
ref
comp
max
6
9
5
8
3
4
7
1
V
15
versus V
in
FB/SD
P
AC Input
P
AC Comp
Ref Filter
Loop Comp
GND
max
comp
1
C
V
15
470 pF
14
T
in
C
T
CC
Output
2
I
13
V
avg fltr
C
Ramp
Comp
ref
T
14
I
in Shutdown Mode
avg
I
0.1 mF
S–
Output
2
I
V
47 k
avg fltr
Ramp
Comp
ref
I
16
12
10
11
avg
I
0.1 mF
S–
13
47 k
16
12
10
11
1 mF
14 V
1 mF
14 V