GA0007 Coilcraft, Inc., GA0007 Datasheet

GA0007

Manufacturer Part Number

GA0007

Description

Flyback Transformerfor On Semiconductorncp1351 Controller

Manufacturer

Coilcraft, Inc.

Datasheet

1.GA0007.pdf (1 pages)

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GA0007-AL

1. Inductance is for the primary, measured at 45 kHz, 0.8 Vrms, 0 Adc.

2. Ipk is the peak current drawn at minimum input voltage.

3. Leakage inductance measured on the primary winding with all secondary pins shorted.

4. Ambient operating temperature range –40°C to +85°C.

5. Electrical specifications at 25°C.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

0.023

0,584

number

Part

1.170

29,72

±10% (µH)

0.800

20,42

L at 0 A

270

max

Dot indicates pin 1

Flyback Transformer

0.150 ±0.01

min (µH)

0.935

23,75

3,81 ±0,25

0.900

22,86

L at Ipk

243

max

0.25

0.150

pri

3,81

Specifications subject to change without notice.

Please check our website for latest information.

(4)

DCR max (Ohms)

Recommended

Board Layout

0.027

sec1

0.800

20,42

0.045

sec2

• Dual-output flyback transformer for ON Semiconductor’s

• 32 V, 1.0 A and 16 V, 0.75 A Outputs. Output of the

• Operates in a discontinuousmode with a universal input

• 3000 Vrms primary to secondary isolation.

Core material Ferrite

Terminations RoHS tin-silver over tin over phos bronze. Other

terminations available at additional cost.

Weight 23.5 g

Ambient temperature –40°C to +85°C

Storage temperature Component: –40°C to +85°C.

Packaging: –40°C to +80°C

Resistance to soldering heat Max three 40 second reflows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /

85% relative humidity)

Failures in Time (FIT) / Mean Time Between Failures (MTBF)

38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Packaging 64 parts per tray

PCB washing Only pure water or alcohol recommended

0.100

2,54

NCP1351 Variable Off Time PWM Controller.

auxiliary winding is 16 V.

0.26

aux

0.044

(6)

1,10

0.500

12,70

(14)

Leakage L

max (µH)

8.16

Pri

Aux

Secondary windings to be connected

in series on the PC board.

pri : sec1 : sec2 : aux

Document 605 Revised 04/26/07

For ON Semiconductor

NCP1351 Controller

Turns ratio

5 : 1 : 1 : 1

Document 605

Sec2

Sec1

32 V, 1.0 A

16 V, 0.75 A

Gnd

Ipk

(A)

3.0

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