Input:

Outputs:

Current:

Package:

36-75 V

5.0 V/ 3.3 V

10 A

Quarter-brick

Product # IQ65033QMA10

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-IQ5033S Rev. G

05/04/09

Page 3

Technical Specification

Min.

Typ.

Max.

Units Notes & Conditions

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Continuous

-75

V

Limited by internal TVS zener diode

Transient

-100

V

1ms transient, square wave

Reverse Polarity

+75

V

No damage, low current, output diode clamped

Isolation Voltage

(VRTN_A/B to LOGIC_GND)

2250

V

(VRTN_A/B to SHELF_GND)

2250

V

Operating Temperature

-40

100

°C

Subject to thermal derating; see Figures 1 & 3

Storage Temperature

-55

125

°C

Hold-up Capacitor Voltage (Relative to -48V_OUT)

100

V

-48V DUAL FEED INPUT CHARACTERISTICS

Input Voltage Range

-34

-48

-75

V

Subject to the Threshold Protocol used

Operating Current

10

A

25ºC 950 LFM, Vin = -48V; see Figure 1

Disabled Input Current below Turn-Off Threshold

8

10

mA

Enabled No-Load Input Current

21

30

mA

Vin = -48V

Internal Input Filter Capacitance (Not Hot-Swapped)

18

22

µF

Should be precharged by resistors to EARLY_A/B pins

Recommended EARLY_A/B Resistors

100

W

Surge rated 2010 case size (KOA SG73 series or equiv.)

Recommended Input Fuses

15

A

3.3V ISOLATED MANAGEMENT POWER

Startup Delay

Time from ENABLE_A/B to 3.3/5.0Vout

At 36Vin

0.43

0.50

s

At 48Vin

0.31

s

At 75Vin

0.15

0.20

s

Turn-On Rise Time

1

5

20

ms

0% to 90%; see Figure 10

Input Under-Voltage Lockout

Turn-On Voltage Threshold (ATCA)

-33.5

-34.5

-36.0

V

At Mangement Power Converter input; see Figure A

Turn-Off Voltage Threshold (ATCA)

-32.0

-34.0

-35.5

V

“

Turn-On Voltage Threshold (NEDS)

-33.5

-34.5

-36.0

V

“

Turn-Off Voltage Threshold (NEDS)

-32.0

-34.0

-35.5

V

“

Turn-On Voltage Threshold (ETSI)

-25.5

-26.5

-28.0

V

“ ; overriden by enable

Turn-Off Voltage Threshold (ETSI)

-24.0

-26.0

-27.5

V

“ ; overriden by enable

Total Output Voltage Range

3.170

3.350

3.430

V

Including line, load, sample, life, and temp

Output Voltage Ripple and Noise

See Figure 12

Peak-to-Peak

40

75

mV

Full load, 10µF ceramic, 500MHz bandwidth

RMS

16

30

mV

“

Operating Output Current Range

0

3.6

A

Subject to thermal derating; see Figures 1 & 3

Output DC Current-Limit Inception

3.9

5.4

6.9

A

Current Limit Shutdown Voltage

1.5

V

Initiates hiccup mode

Hiccup Mode Restart Time

130

ms

Vin = -48V

Back-Drive Current

10

mA

Negative current drawn from output source

Maximum Output Capacitance

1000

µF

Switching Frequency

200

220

240

kHz

Management power converter

Over-Voltage Protection Setpoint

4.10

4.33

4.55

V

5.0V POWER (Derived From 3.3V Converter)

Total Output Voltage Range

5.00

5.20

V

Including line, load, sample, life, and temp

Operating Output Current Range

0

150

mA

Short Circuit Current

400

mA

Independent Thermal Protection

Back-Drive Current

1

mA

Negative current drawn from output source

Maximum Output Capacitance

1000

µF

TEMPERATURE LIMITS FOR POWER DERATING CURVES

Semiconductor Junction Temperature

125

°C

Package rated to 150°C

Board Temperature

125

°C

UL rated max operating temp 130°C

Transformer Temperature

125

°C

See Figure 3 for derating curve

IQ65033QMA10 ELECTRICAL CHARACTERISTICS

Specifications subject to change without notice. Specifications in bold are guaranteed by design over the temperature range -40º to 125ºC.