Document 418-1
For ON Semiconductor
SMT Power Magnetics NCP1216A Controller
Coilcraft’s C0972-AL transformer and B0754-AL inductor
were developed specifically for the ON Semiconductor
NCP1216A PWM Current-Mode Controller.
They are specified in application note AND8161/D along
withCoilcraft’sDS3316P-103andDS3316P-102shielded
inductors. Refer to the separate data sheet for additional
information about the DS3316 Series of inductors
The C0972-AL features very low DCR, excellent leak-
age inductance and 1500 V Isolation from the primary
and auxiliary windings to the secondary.
The B0754-AL is the output inductor and features four
separate windings connected in parallel to minimize
power losses and to limit temperature rise.
To request free evaluation samples, contact Coilcraft or
visit www.coilcraft.com.
C0972-AL Transformer
Input
voltage
Output
current
Primary
Leakage
Turnsratio
pri : sec pri: reset
Part
Output
Output
inductance1 inductance2 DCR max
number power (W) range (V) voltage (V) (A rms)
min (mH)
max (µH)
(Ohms)
C0972-AL
60
36 – 75
12
5.0
0.817
1.50
0.056 (pri)
0.031 (sec)
0.480 (aux)
1 : 0.91
1 : 1
2. Inductance measured between pins 2 and 4 at 10 kHz, 0.1 V, 0 Adc.
3. Leakage inductance measured between pins 2 and 4 at 100 kHz,
0.1 V, 0 Adc with all other pins shorted.
Dot above pin1
4. Operating temperature range: –40°C to +85°C.
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
0.560
max
14,22
0.004/0,10
0.035
0,90
1.280
32,51
max
0.079
2,00
1.024
26,00
0.043
1,10
0.108
2,74
1.10
27,94
2
6
5
Primary
10
4
5
Recommended
Land Pattern
Secondary
6
1.060
max
26,92
Reset
1
10
1
0.196
4,98
1
10
0.196
4,98
Bottom View
Weight:
28.2 g
Terminations: Tin-silver over tin over nickel over phos bronze
Packaging:
24 per tray
Specifications subject to change without notice.
Please check our website for latest information.
Document418-1 Revised01/23/09
© Coilcraft, Inc. 2009