TDK 6 650 User Manual

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Data Sheet: MaxetaTM iFA Series

48V Input, 28V Output, 600W Full Brick

Standard Features:

• Industry Standard 600W full brick

• Power density: > 110W/cubic inch

• High efficiency: up to 92%

• Typical efficiency: 90.5% at nominal input and

100% load

• Up to 600W of output power in high ambient temperature with air flow

• Meets basic insulation requirements

• Single wire forced current sharing

• Start-up into pre-biased output bus

• User selectable on/off (either positive or

negative logic)

• Wide output voltage adjustment range

• Auto-recovery protections:

o Input under and over voltage o Current limit o Short circuit o Thermal limit

• Latched output over-voltage protection

• Power good Indication

MAXETA iFA SERIES DC-DC POWER MODULES

The Maxeta series power modules are ideally suited for wireless applications to power various RF power amplifiers. With a typical

90.5% full load efficiency, a power density greater than 110W per cubic inch and a total power and current output capability of 600W and 21.4A respectively, the Maxeta Series offers the highest efficiency, power density and usable output power in a standard full brick package currently available. A wide output voltage trim range, -40% to +10%, remote sensing, power good indication, isolated remote on/off control and single wire active current sharing are standard features enhancing versatility. The Maxeta series power modules are also suited for other telecommunication applications.

• Auxiliary logic output

• High reliability open frame, surface mount

construction

• Base-plate for improved thermal management

• Constant switching frequency

• Optional 0.110” pin length

• UL 60950 (US and Canada), VDE 0805, CB

scheme (IEC950)

• CE Mark (EN60950)

• EMI: CISPR 22 Class A/B with external filters

• Multiple patents pending

• ISO Certified manufacturing facilities

Optional Features

• Short Thru-hole pin 2.794mm (0.110”)

• Output over-voltage signal replaces power

good

:

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Data Sheet: MaxetaTM iFA Series

Ordering information:

Product

Identifier

i F A 48 021 A 280 V - 0 00

TDK Innoveta Full Brick

Package

Size

Platform Input

Standard Maxeta 

Voltage

36 - 75V 021 – 21.4 Amps 280 – 28V Single

Output

Current/

Power

Output

Units

Main

Output

Voltage

# Of

Outputs

Safety

Class

Feature Set OVP Out

Replaces

Power Good

00 No 0.145”

01 No 0.110”

02 Yes 0.145”

03 Yes 0.110”

Product Offering:

Code Input Voltage Output Voltage Output Current Maximum Output

Power

iFA48021A280V-000 36V to 75V 28V 21.4A 600W 90.5%

iFA48018A280V-000 36V to 75V 28V 18A 504W 91%

Feature Set

00 – Standard >00 – See

option table

Pin Length

Efficiency

3320 Matrix Drive Suite 100 Richardson, Texas 75082

Phone (877) 498-0099 Toll Free (469) 916-4747 Fax (877) 498-0143 Toll Free (214) 239-3101

support@tdkinnoveta.com http://www.tdkinnoveta.com/

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Data Sheet: MaxetaTM iFA Series

Mechanical Specification:

Unless otherwise specified, tolerances are: x.x ± 0.5 mm [x.xx ± 0.02 in.], x.xx +/- 0.25 mm [x.xxx +/- 0.010 in.]

1 2

3

4

Recommended hole pattern (top view)

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10

9

8

7

6

5

16

14

12

13

15

17

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Data Sheet: MaxetaTM iFA Series

Pin Assignment:

PIN FUNCTION PIN FUNCTION PIN FUNCTION

1 ON/OFF (+) 7 Vout (-) 13 PWR GOOD

2 ON/OFF (-) 8 Vout (+) 14 Parallel Control

3 Vin (+) 9 Vout (+) 15 TRIM

4 Vin (-) 10 Vout (+) 16 SENSE (+)

5 Vout (-) 11 Not present 17 SENSE (-)

6 Vout (-) 12 AUX OUT 18

* Pin base material is copper. The maximum module weight is 250g (8.8 oz).

Heatsink Offering:

Innoveta

Part Number

HS00016 0.50” Transverse 1.00”

HS00017 1.00” Transverse 1.50”

HS00020 0.50” Longitudinal 1.00”

HS00021 1.00” Longitudinal 1.50”

HS00016

HS00017

Transverse Heatsinks Longitudinal Heatsinks

Height Orientation Overall

Module Height

HS00020

HS00021

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Data Sheet: MaxetaTM iFA Series

Absolute Maximum Ratings:

Stress in excess of Absolute Maximum Ratings may cause permanent damage to the device.

Characteristic Min Max Unit Notes & Conditions

Continuous Input Voltage -0.5 80 Vdc

Transient Input Voltage --- 100 Vdc 100mS max.

Isolation Voltage Input to Output Input to Base-plate Output to Base-plate

Storage Temperature -55 125 ˚C

Operating Temperature Range (Tc) -40 115 ˚C

*Engineering Estimate

---

1500 1500

500

Vdc Vdc Vdc

Basic Insulation Basic Insulation Operational Insulation

Measured at the location specified in the thermal measurement figure; maximum temperature varies with output current and module orientation – see curve in the thermal performance section of the data sheet.

Input Characteristics:

Unless otherwise specified, specifications apply over all Rated Input Voltage, Resistive Load, and Temperature conditions.

Characteristic Min Typ Max Unit Notes & Conditions

When 36V ≤ Vin < 38V, the modules will

Operating Input Voltage 36 48 75 Vdc

Maximum Input Current --- 18 20* A Vin = 0 to Vin,max

Input Low End Turn-on Voltage --- 34.9 36 Vdc

Input Low End Turn-off Voltage 30* 32.3 36 Vdc

Hysteresis --- 2.5 --- Vdc

Input Over-voltage Turn-off Voltage --- 79.5 83* Vdc

Input High End Turn-on Voltage 75 78 --- Vdc

Startup Delay Time from application of input voltage --- 10 --- mS

Startup Delay Time from on/off --- 10 --- mS Vin = Vin,nom, Io=Io,max, Tc=25˚C

Output Voltage Rise Time --- 45 60* mS

Inrush Transient --- --- 1 A2 S

Input Reflected Ripple --- 8 20* mApp

Input Ripple Rejection --- 35 --- dB @120Hz

* Engineering Estimate

Caution: The power modules are not internally fused. An external input line fuse with a maximum value of 20A is required. See the Safety Considerations section of the data sheet.

continue to operate, but the output voltage regulation may be out of spec at load > 90% of full load condition

Vo = 0 to 0.1*Vo,nom; on/off =on, Io=Io,max, Tc=25˚C

Io=Io,max, Vo=0.1 to 0.9*Vo,nom, Tc=25˚C

Vin=Vin,nom, Io=Io,max (0 to 20MHz) See input/output ripple measurement figure; BW = 20 MHz

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Data Sheet: MaxetaTM iFA Series

Electrical Data:

iFA48021A280V- 000 through - 003: 28V, 21.4A Output

Characteristic Min Typ Max Unit Notes & Conditions

Output Voltage Initial Set-point

Output Voltage Tolerance

Efficiency

Line Regulation --- 28 56 mV Vin=Vin,min to Vin,max, Io and Tc fixed

Load Regulation --- 28 56 mV Io=Io,min to Io,max, Vin and Tc fixed

Temperature Regulation --- 100 300* mV Tc=Tc,min to Tc,max, Vin and Io fixed

Output Current

Output Current Limiting Threshold

Short Circuit Current

Output Ripple and Noise Voltage

Output Voltage Adjustment Range 60 --- 110 %Vo,nom

Remote Output Voltage Sense Range 0.5* --- --- Vdc

Dynamic Response:

Settling Time to 10% Peak Deviation

Peak Voltage Deviation

Output Voltage Overshoot during Startup 0 0 600* mV Io=Io,max,Tc=25˚C

Switching Frequency --- 175 --- kHz Fixed

Output Over Voltage Protection 31.9* 34.2 35.5* V

External Load Capacitance 450 --- 6,000 ** uF

Isolation Capacitance --- 1000 --- pF

Isolation Resistance 10 --- --- MΩ

Load Share Accuracy -10 --- +10 % 50% to 100% rated load current

Power Good Pin Max Applied Voltage --- --- 35 Vdc Max sink current 5mA

Auxiliary Output Voltage 7.5* 10 13.5* Vdc

* Engineering Estimate ** Contact Innoveta for applications that require additional capacitance or capacitors with very low esr

27.51 28 28.49 Vdc Vin=Vin,nom; Io=Io,max; Tc = 25˚C

27.16 28.84 Vdc Over all rated input voltage, load, and

--- 90.5 --- % Vin=Vin,nom; Io=Io,max; Tc = 25˚C

3.75 --- 21.4 A At loads less than Io,min the module will

22* 24 26* A Vo = 0.9*Vo,nom, Tc<Tc,max, Tc = 25˚C

--- 0.5 --- A Vo = 0.25V, Tc = 25˚C

--- 135 250* mVpp

--- 20 50* mVrms

---

0.5

450

---

mS

mV

temperature conditions to end of life

continue to regulate the output voltage, but the output ripple may increase

Vin=48V, Io≥Io,min, Tc = 25˚C, with a 0.1µF, a 10µF ceramic, and a 470µF low esr aluminum

capacitors located 2 inch away. output ripple measurement figure; BW = 20MHz

Po≤Po,max, refer to “Output Voltage Adjustment” figure for Vin,min requirement

di/dt = 0.1A/uS, Vin=Vin,nom; Tc = 25˚C, load step from 50% to 75% of Io,max. With at least a 10uF ceramic capacitor and a 470uF low esr aluminum or tantalum capacitor across the output terminals.

Minimum ESR > 1mΩ

Max Aux pin current ≤ 20mA Referenced to sense(-) pin.

See input &

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TDK 6 650 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual