TDK Xeta Half Brick-iHG User manual

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

1/16

Datasheet DC-DC Power Modules

Xeta



 iHG Half Brick

48V nput, 3.3V/70A Output

Information furnished by TDK Innoveta is believed to be accurate and reliable. However, TDK Innoveta

assumes no responsibility for its use, nor for any infringement of patents or other rights of third parties,

which may result from its use. No license is granted by implication or otherwise under any patent or patent

rights of TDK Innoveta. TDK Innoveta components are not designed to be used in applications, such as life

support systems, wherein failure or malfunction could result in injury or death. ll sales are subject to TDK

Innoveta’s Terms and Conditions of Sale, which are available upon request. Specifications are subject to

change without notice.

TDK nnoveta nc

20 Matrix Drive, Suite 100

Plano, Texas 75082

Phone (877) 498-0099 Toll Free

(469) 916-4747

Fax (877) 498-014 Toll Free

(214) 2 9- 101

support@tdkinnoveta.com

http://www.tdkinnoveta.com/

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

2/16

Platform Overview:

Xeta







iHG48 Series DC-DC Power Modules

48V nput, 3.3V / 70A Output

Half-Brick

The Xeta



iHG48 Series power modules operate

over a wide 6 – 75Vdc input voltage range and

provide one regulated dc output voltage that is

electrically isolated from the input. The single

board open-frame type design with high

conversion efficiency (up to 92%), and superior

thermal performance make iHG series modules

ideally suited for high power, low air flow telecom

applications in demanding thermal environments.

A wide output voltage trim range, -50 to 10%, and

remote sensing are standard features enhancing

versatility.

Standard Features:

• RoHS compliant

• Standard Half Brick footprint

• Optimized output power: 2 1W

• Full load efficiency, 90% typical

• Wide output trim voltage range

• Up to 70A of true usable current

• Single board design

52A at 65°C, 200LFM (no base-plate)

• Monotonic start-up into a pre-biased

output bus

• Remote sense

• Basic insulation – 1500 Vdc

• Constant switching frequency

• Auto-recovery protection:

o Input UV protection

o Output over voltage

o Output over current

o Short circuit

o Thermal protection

• High reliability open frame, surface-

mount construction

• Open frame for improved thermal

management

• UL 60950 (US and Canada), VDE 0805,

CB scheme (IEC950), CE Mark

(EN60950)

• Multiple patents

Optional Features:

• Latched output over voltage protection

• Latched output over current protection

• Latched over temperature protection

• Base-plate

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

3/16

Ordering information:

Product

dentifier

Package

Size Platform nput

Voltage

Output

Current/

Power

Output

Units

Main

Output

Voltage

# of

Outputs Mechanical

Feature

Electrical

Feature Set

i H G 48 070 A 0 V - 0 02

TDK

Innoveta Half Brick Xeta



6-75V 70 Amps 0 – . V Single

0 - No base

plate

1- With base

plate

02-R

Standard,

RoHS

Compliant

OVP: Over Voltage Protection; OCP: Over Current Protection; OTP: Over Temperature Protection.

Product Offering:

Code Input Voltage Output Voltage Output Current Maximum Output

Power Efficiency

iHG48070A0 V-002-R 6V to 75V . V 70A 2 1W 90%

TDK nnoveta nc

20 Matrix Drive, Suite 100

Richardson, Texas 75082

Phone (877) 498-0099 Toll Free

(469) 916-4747

Fax (877) 498-014 Toll Free

(214) 2 9- 101

support@tdkinnoveta.com

http://www.tdkinnoveta.com/

Feature

Set

On/Off

Logic

Omit

pin3 Output OVP Output OCP OTP Pin

Length

Base-

plate

000 Positive Yes Latching Auto-Recovery

Auto-Recovery

0.145” No

001 Negative Yes Latching Auto-Recovery

Auto-Recovery

0.145” No

002 Positive Yes Auto-Recovery Auto-Recovery

Auto-Recovery

0.145” No

00 Negative Yes Auto-Recovery Auto-Recovery

Auto-Recovery

0.145” No

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

4/16

Mechanical Specification:

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

Pin Assignment:

PIN FUNCTION PIN FUNCTION

1 Vin (+) 7 Trim

2 On/Off 8 Sense (+)

N/A 9 Vout (+)

4 Vin (-)

5 Vout (-)

6 Sense (-)

Pin base material is copper with matte tin plating. The maximum module weight is 6 g.

1.02 [0.040] Dia Pin

1.83 [0.072] Dia Stand-off

6 Places

2.03 [0.080] Dia Pin

3.00 [0.118] Dia Stand-off

2 Places

Recommeded hole pattern (top view)

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

5/16

Absolute Maximum Ratings:

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

* Engineering estimate

nput Characteristics:

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

Characteristic Min Typ Max Unit Notes & Conditions

Operating Input Voltage 6 48 75 Vdc

Maximum Input Current --- --- 8 A Vin = 0 to Vin,max, Io,max, Vo=Vo,nom

Turn-on Voltage --- 4.2 6 Vdc

Turn-off Voltage --- 2.5 --- Vdc

Hysteresis --- 1.7 --- Vdc

Startup Delay Time from application of input voltage --- 8 --- mS Vo = 0 to 0.1*Vo,nom; on/off =on,

Io=Io,max, Tc=25˚C

Startup Delay Time from on/off --- --- mS Vo = 0 to 0.1*Vo,nom; Vin = Vi,nom,

Io=Io,max,Tc=25˚C

Output Voltage Rise Time --- 24 --- mS Io=Io,max,Tc=25˚C, Vo=0.1 to

0.9*Vo,nom

Standby Current 0 5 7 mA Vin=0V to Vin,max and module on/off

pin is in ‘off’ state

Inrush Transient --- --- 0.1 A

Input Reflected Ripple --- 14 --- mApp See input/output ripple measurement

figure; BW = 20 MHz

Input Ripple Rejection --- 60 --- dB @120Hz

* Engineering Estimate

Caution: The power modules are not internally fused. An external input line normal blow fuse with a maximum value of 15A is required; see the Safety

Considerations section of the data sheet.

Characteristic Min Max Unit Notes & Conditions

Continuous Input Voltage -0.5 80 Vdc

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

Isolation Voltage --- 1500 Vdc

Storage Temperature -55 125 ˚C

Operating Temperature Range (Tc) -40 12 ˚C Measured at the location specified in the thermal

measurement figure.

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

6/16

Electrical Data (continued):

Operating at Tc = 25˚C unless otherwise specified

Characteristic Min Typ Max Unit Notes & Conditions

Output Voltage Initial Setpoint .25 . . 5 Vdc Vin=Vin,nom; Io=Io,max

Output Voltage Tolerance .2 --- .4 Vdc Over all rated input voltage, load, and

temperature conditions to end of life

Efficiency --- 90 --- % Vin=Vin,nom; Io=Io,max

Line Regulation --- 10* mV Vin=Vin,min to Vin,max

Load Regulation --- 1 10* mV Io=Io,min to Io,max

Temperature Regulation --- 20 50* mV Tc=Tc,min to Tc,max

Output Current 0 --- 70 A At Io < 20% of Io,max, the load transient

performance may degrade slightly

Output Current Limiting Threshold --- 82 --- A Vo = 0.9*Vo,nom, Tc < Tc,max

Short Circuit Current

--- 2 --- A Vo = 0.25V, Tc = 25C (hiccup mode)

--- 25 50* mVpp Output Ripple and Noise Voltage

--- 5.5 --- mVrms

Vin=48V and Tc=25˚C. Measured across one

10uF, one 0.47uF, one 0.1uF ceramic

capacitors, and one 220uF electrolytic

capacitor – see input/output ripple

measurement figure; BW = 20MHz

Output Voltage Adjustment Range 50 --- 110 %Vo,nom

Output Voltage Sense Range --- --- --- %Vo,nom

Dynamic Response:

Recovery Time

Transient Voltage

---

200

---

µS

Vin=Vin,nom; load step from 50% to 75% of

Io,max, di/dt = 0.1A/uS, with at least one

0.1uF, one 0.47uF, one 10uF ceramic

capacitors, and 220uF electrolytic capacitor

across the output terminals

For applications with large step load changes

and/or high di/dt load changes, please

contact TDK Innoveta for support.

Output Voltage Overshoot during startup 0 0 0 mV Io=Io,max

Switching Frequency --- 260 --- kHz Fixed

Output Over Voltage Protection .8* 4.1 4.4* V All line, load, and temperature conditions

External Load Capacitance 2 0 --- 40,000** uF All charge and pre-bias start conditions.

Cext,min required for the 100% load dump.

Minimum ESR > 2 mΩ

Isolation Capacitance --- 2000 --- pF All line, load, and temperature conditions

Isolation Resistance 15 --- --- MΩ All line, load, and temperature conditions

Vref 1.225 V Required for trim calculation

* Engineering Estimate

** Contact TDK Innoveta for applications that require additional capacitance

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

7/16

Electrical Characteristics:

7 14 21 28 5 42 49 56 6 70

Output Current (A)

E ffic ie nc y ( % )

Vin = 6V Vin = 48V Vin = 75V Vin = 60V

7 14 21 28 5 42 49 56 6 70

Output Current (A)

P o w e r D is s ip a tio n (W )

Vin = 6V Vin = 48V Vin = 75V Vin = 60V

Efficiency vs. Input Voltage at Ta=25C, (test in socket)

Power Dissipation vs. Input Voltage at Ta=25C

Start-up from on/off Switch at 48V input and Full Load.

Ch. 1: ON/OFF Ch. : Vo Ch. 4: Io

Typical Output Ripple at 48V Input and Full Load at

Ta=25C Ch. : Vo

Start-up from Input Voltage Application at Full Load.

Ch. 1: Vin Ch. : Vo Ch. 4: Io Load

Transient Response. Load Step from 50% to 75% of

Full Load with di/dt= 0.1A/uS. Ch. 1: Vo Ch. : Io

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

8/16

Electrical Characteristics (continued):

0.6

1.2

1.8

2.4

0 10 20 0 40 50 60 70 80 90

Output Current (A)

O u tp u t V o lta g e ( V )

Vin = 6V Vin = 48V Vin = 75V Vin = 60V

0 5 40 45 50 55 60 65 70 75

Input Voltage (V)

In p u t C u rre n t ( A )

Io_min = 7A Io_mid = 5A Io_max = 70.7A

Output Current Limit Characteristics vs. Input Voltage

Typical Input Current vs. Input Voltage Characteristics

.294

.295

.296

.297

.298

.299

7 14 21 28 5 42 49 56 6 70

Output Current (A)

O u tp u t V o lta g e ( V )

Vin = 6V Vin = 48V Vin = 75V Vin = 60V

.295

.296

.297

.298

.299

6 40 44 48 52 56 60 64 68 72 76

Input Voltage (V)

O u tp u t V o lta g e ( V )

Io_min = 7A Io_mid = 5A Io_max = 70.7A

Typical Output Voltage vs. Load Current at Ta=25C. Typical Output Voltage vs. Input Voltage at Ta=25C.

0.6

1.2

1.8

2.4

0 1 2 4 5 6 7 8

Input Voltage (V)

O u tp u t V o lta g e ( V )

Io_min = 7A Io_mid = 5A Io_max = 70.7A

Change

of Vout

Trim

Down

Resistor

(Kohm)

Change

of Vout

Trim Up

Resistor

(Kohm)

- % 1. K + % 57.16K

-5% 18K +5% 4.57K

-10% 8K +10% 17.6 K

e.g. trim up 5%

)(57.34

1%)51(2

225.1

3.3

Ω=

++⋅











−

=kR

Typical Output Voltage vs. Low Voltage Input Turn-on

and Turn-off at Ta=25C

Calculated Resistor Values for Output Voltage Adjustment

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

9/16

Electrical Characteristics (continued):

100

1000

0 10 20 0 40

% Decrease in Output Voltage,

∆

(%)

T rim R e s is t a n c e ( k

Ω

)

100

1000

10000

0 2 4 6 8 10

% Increase in Output Voltage, ∆ (%)

T r im R e s is t a n c e ( k

Ω

)

Output Trim down curve for output voltage adjustment

Trim up curve for output voltage adjustment

Data Sheet: Xeta



iHG48070A033V, 3.3V/70A Output Half Brick Serie

iHG Datasheet 2008-05-15 Revision 1.1

℡

(877) 498

0099

10/16

Thermal Performance:

Maximum output current vs. ambient temperature at nominal

input voltage for airflow rates natural convection (0. m/s) to

.0m/s with airflow from pin 4 to 1.

Maximum output current vs. ambient temperature at nominal

input voltage for airflow rates natural convection (0. m/s) to

.0m/s with airflow from pin 1 to pin 4.

Thermal measurement location – top view

The thermal curves provided are based upon measurements made in TDK Innoveta’s experimental test setup that is

described in the Thermal Management section. Due to the large number of variables in system design, TDK Innoveta

recommends that the user verify the module’s thermal performance in the end application. The critical component

should be thermo-coupled and monitored, and should not exceed the temperature limit specified in the derating curve

above. It is critical that the thermocouple be mounted in a manner that gives direct thermal contact otherwise significant

measurement errors may result.

Thermal

Measurement

Location (Drain

pad of MOSFET)

0 40 50 60 70 80 90 100 110 120 1 0

Ambient Temperature (C)

O u tp u t C u rre n t (A )

NC 0. m/s (60 LFM) 0.5 m/s (100 LFM) 1.0 m/s (200 LFM)

1.5 m/s ( 00 LFM) 2.0 m/s (400 LFM) .0 m/s (600 LFM)

Max MOSFET Temperature

0 40 50 60 70 80 90 100 110 120 1 0

Ambient Temperature (C)

O u tp u t C u rre n t (A )

NC 0. m/s (60 LFM) 0.5 m/s (100 LFM) 1.0 m/s (200 LFM)

1.5 m/s ( 00 LFM) 2.0 m/s (400 LFM) .0 m/s (600 LFM)

Max MOSFET Temperature

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