C1023-ALD datasheet, PDF - EEWORLD Datasheet

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C1023-ALD: DescriptionAudio Transformers / Signal Transformers C1023 Flybck Trnsfmr For TI LM5070; CategoryPower management transformer; File Size127KB，1 Pages; ManufacturerCOILCRAFT; Websitehttp://www.coilcraft.com/; Environmental Compliance

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Audio Transformers / Signal Transformers C1023 Flybck Trnsfmr For TI LM5070

C1023-ALD Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	COILCRAFT
package instruction	ROHS COMPLIANT
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1:0.19; 1:0.69
high	11.43 mm
Maximum input voltage	72 V
Minimum input voltage	36 V
length	21 mm
Installation features	SURFACE MOUNT
Number of primary windings	2
Number of secondary windings	1
Maximum operating frequency	1000 kHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output voltage 1	3.3 V
method of packing	TAPE & REEL
physical size	L21.0XB20.57XH11.43 (mm)
rated power	13 W
Primary inductance	110 µH
surface mount	YES
Terminal surface	Tin/Silver - Tin - with Nickel barrier
Transformer type	SMPS TRANSFORMER
width	20.57 mm

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Document 423

PoE Transformer

For National Semiconductor

LM5070 PoE Interface

• Developed for the NSC LM5070 PD Interface in 13 W applications.

• Operates at frequencies up to 1 MHz

• Input: 36 – 72 V; Output: 3.3 V, 4.5 A, with secondary windings

connected in parallel

• Isolation:1500 Vrms from the primary and auxiliary windings

to the secondary.

Core material

Ferrite

Terminations

RoHS tin-silver (96.5/3.5) over tin over nickel over phos

bronze. Other terminations available at additional cost.

Weight

12.4 g

Ambient temperature

–40°C to +85°C

Storage temperature

Component: –40°C to +85°C.

Tape and reel 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)

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

26,315,789 hours / 38 per billion hours, Calculated per Telcordia SR-322

Packaging

175 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick,

32 mm pocket spacing, 11.9 mm pocket depth

PCB washing

Tested with pure water or alcohol only. For other solvents,

see Doc787_PCB_Washing.pdf

Part

number

C1023-AL_

L at 0 A

L at

Ipk

±10% (µH) ±10% (µH)

110

99.0

DCR max (Ohms)

pri

aux

sec

0.139

0.656

0.016

Leakage

L (µH)

1.40

Turns ratio

pri : sec pri : aux

0.19

0.69

Capacitance

Ipk

(pF)

(A)

1.5

Isolation

(Vrms)

1500

1. When ordering, please specify a

packaging

code:

C1023-ALD

Packaging: D

= 13″ machine ready reel. EIA-481 embossed plastic

tape (175 per full reel).

= Less than full reel. In tape, but not machine ready.

To have a leader and trailer added ($25 charge), use

code letter D instead.

2. Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc.

Ipk

is the peak current drawn at minimum input voltage.

Dot indicates pin 1

4. DCR for the secondary is per winding.

5. Leakage inductance is for the primary winding with all other pins

shorted.

6. Turns ratio is with the secondary windings connected in parallel.

7. Capacitance measured between pins 3 and 4 with other pins shorted.

8. Isolation is measured from the primary and aux to the secondary.

9. Electrical specifications at 25°C.

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

0.028

0,711

0.130

3,30

0.930

23,62

0.050

1,27

Pri

C1023-AL

0.810

max

20,57

Recommended

Land Pattern

Sec

XXXXY

1.181 max

30,00

0.118

3,0

Parts manufactured prior

to December 2011 may

be marked differently.

0.118

3,0

Aux

Secondary windings to be connected

in parallel on PC board.

0.450

max

11,43

0.827

21,00

0.969

24,60

0.004 /0,10

0.080

2,03

Dimensions are in

inches

+1-847-639-6400 sales@coilcraft.com

+44-1236-730595 sales@coilcraft-europe.com

Taiwan

+886-2-2264 3646 sales@coilcraft.com.tw

China

+86-21-6218 8074 sales@coilcraft.com.cn

Singapore

+ 65-6484 8412 sales@coilcraft.com.sg

Document 423

Revised 12/21/11

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

C1023-ALD Related Products

	C1023-ALD	C1023-ALB
Description	Audio Transformers / Signal Transformers C1023 Flybck Trnsfmr For TI LM5070	Audio Transformers / Signal Transformers C1023 Flybck Trnsfmr For TI LM5070
Is it lead-free?	Lead free	Lead free
Is it Rohs certified?	conform to	conform to
Maker	COILCRAFT	COILCRAFT
package instruction	ROHS COMPLIANT	ROHS COMPLIANT
Reach Compliance Code	compliant	compliant
ECCN code	EAR99	EAR99
Other features	HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1:0.19; 1:0.69	HEIGHT DIM INCLUDES TERMINAL ALSO, TURNS RATIO: 1:0.19; 1:0.69
high	11.43 mm	11.43 mm
Maximum input voltage	72 V	72 V
Minimum input voltage	36 V	36 V
length	21 mm	21 mm
Installation features	SURFACE MOUNT	SURFACE MOUNT
Number of primary windings	2	2
Number of secondary windings	1	1
Maximum operating frequency	1000 kHz	1000 kHz
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Output voltage 1	3.3 V	3.3 V
method of packing	TAPE & REEL	TAPE & REEL
physical size	L21.0XB20.57XH11.43 (mm)	L21.0XB20.57XH11.43 (mm)
rated power	13 W	13 W
Primary inductance	110 µH	110 µH
surface mount	YES	YES
Terminal surface	Tin/Silver - Tin - with Nickel barrier	Tin/Silver (Sn/Ag)
Transformer type	SMPS TRANSFORMER	SMPS TRANSFORMER
width	20.57 mm	20.57 mm

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