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Introduction
Specifications
Environmental
Performance curves
Schematics
Physical characteristics
Tape & Reel
Soldering/Washing

Datasheet 3D Models

No-Opto Flyback Transformers for Analog Devices MAX17690

ZC1570-AE, ZC1642-AE, ZC1645-AE, ZC1641-AE, ZC1644-AE, ZC1649-AE

These flyback transformers are designed to work with the MAX17690 60 V, no-opto isolated flyback controller from Analog Devices. They have no auxiliary winding and offer the greatest efficiency, lowest cost, and smallest size for synchronous isolated DC-DC power converters. They operate with a 10 – 28 V or 20 – 56 V input voltage range and generate three different outputs. These parts have a maximum height of just 6.5 mm, significantly lower than other parts recommended for the same chipset.

Optimized for MAX17690 No-Opto Isolated Flyback Controllers for Analog Devices
Designed for 125 – 170 kHz with 10 – 28 V or 20 – 56 V input voltage
1500 Vrms, one minute isolation (hipot) between primary and secondary windings

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Typical Application

Works with Analog Devices MAX17690

Part number	Input Voltage	Output	Power	Fsw
ZC1570-AED	10 V — 28 V	5 V , 1.2 A	6 W	130 kHz
ZC1642-AED	10 V — 28 V	12 V , 0.72 A	8.64 W	170 kHz
ZC1645-AED	10 V — 28 V	24 V , 0.36 A	8.64 W	170 kHz
ZC1641-AED	20 V — 56 V	5 V , 1.2 A	6 W	125 kHz
ZC1644-AED	20 V — 56 V	12 V , 0.72 A	8.64 W	170 kHz
ZC1649-AED	20 V — 56 V	24 V , 0.36 A	8.64 W	170 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Isat (A) 2	DCR max (Ω)		Leakage Inductance max (µH) 3	Turns Ratio	Isolation Voltage (Vrms) 4
Part number (Hover for schematics)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Isat (A) 2	Pri	Sec	Leakage Inductance max (µH) 3	Pri : Sec	Isolation Voltage (Vrms) 4
ZC1570-AED	7.85	4.8	0.036	0.007	0.20	1 : 0.375	1500
ZC1642-AED	7.85	4.7	0.035	0.049	0.20	1 : 0.875	1500
ZC1645-AED	7.85	4.5	0.032	0.190	0.20	1 : 1.75	1500
ZC1641-AED	31.4	2.3	0.140	0.007	0.74	1 : 0.1875	1500
ZC1644-AED	31.4	2.3	0.137	0.048	0.74	1 : 0.4375	1500
ZC1649-AED	31.4	2.3	0.130	0.180	0.60	1 : 0.875	1500

Notes

Inductance is for the primary, measured at 0.1 Vrms, 0 Adc.
DC current that causes the primary inductance drop 30% from its value without current. Click for temperature derating information.
Leakage Inductance is for the primary, measured with secondary windings shorted together.
1500 Vrms, one minute isolation (hipot) between primary and secondary windings.

Termination:

RoHS tin-silver over tin over nickel over phos bronze.

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (500 parts per full reel).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

–40°C to +125°C

Storage temperature range:

Component: –40°C to +125°C
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+125°C

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

See FIT/MTBF Calculations

Performance curves

L vs Current

Schematics

Physical characteristics

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
500	330	100	13	30,4	24,4	24	16	4	2	6,13	0,36

General specification

Core Material:

Ferrite

Weight:

1.5 g

Packaging:

500 per 13″ reel Plastic tape: 24 mm wide, 0.37 mm thick, 16 mm pocket spacing, 6.1 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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No-Opto Flyback Transformers for Analog Devices MAX17690

ZC1570-AE, ZC1642-AE, ZC1645-AE, ZC1641-AE, ZC1644-AE, ZC1649-AE

Selected configuration not available

Typical Application

Specifications

Termination:

Packaging:

Performance curves

L vs Current

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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