70-841-012

70-841-012 Datasheet

70-120 Watts 36 - 72 VAC Quad

Part	Datasheet
70-841-012	70-841-012 (pdf)

Related Parts	Information
NTQ123-DC	NTQ123-DC

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Embedded Power for Business-Critical Continuity NTQ123-DC Series 70 - 125 Watts Total Power Input Voltage # of Outputs: 70-120 Watts 36 - 72 VAC Quad 1 of 3 Special Features • -48 VDC input • Remote sense on outputs one and two • Power fail and remote inhibit • Single wire current sharing on outputs one and two • Adjustable main outputs • Built-in Class B EMI filter • Overvoltage protection • Overload protection • Thermal overload protection Safety VDE 0805/EN60950 IEC950 UL1950 CSA Level 3 NEMKO EN 60950/EMKO-TUE 74-sec 203 Certificate and report Mark LVD Electrical Specifications Input range Inrush current Efficiency EMI filter 36 - 72 VDC 38 A max., cold start 25°C 65% typical at full load FCC Class B conducted CISPR 22 Class B conducted EN55022 Class B conducted VDE 0878 PT3 class B conducted and radiated. Safety ground leakage current Output Maximum power Adjustment range <1 mA 72 Vdc input 70 W for convection 125 W with 30 CFM forced air ±5% minimum Hold-up time 20ms 120 W load, -48 Vdc input Overload protection Short circuit protection on all outputs Case overload protected 110 -145% above peak rating Overvoltage protection V output 5 V output 10% to 35% above nominal output Logic Control Power failure Remote inhibit Remote sense TTL logic signal goes high 100-500 msec after 5 V output it goes low at least 4 msec before loss of regulation Requires an external TTL Signal to inhibit outputs Embedded Power for Business-Critical Continuity Environmental Specifications Operating temperature 0° to 50°C ambient. Derate each output per degree from 50° to 70°C Storage temperature -40°C to +85°C Temperature coefficient per °C Electromagnetic susceptibility: Designed to meet EN61000-4, -2, -3, -4, -5, -6, -8, -11 Level 3 Ordering Information Model Number Output Voltage Maximum Load Minimum Maximum Load with 30CFM Load Convection Cooling forced Air NTQ123-DC V - 2 A Ripple P/P Peak Load 1 Regulation 2 PARD 3 ±2% 50 mV +5 V - 0 A ±2% 50 mV +12 V ±3% 120 mV -12 V ±3% 120mV Peak current lasting <30 seconds with a maximum 10% duty cycle. At 25°C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings. Peak-to-peak with 20 MHz bandwidth and 10 uF in parallel with a uF capacitor at rated line voltage and load ranges. Minimum loads are required. In parallel minimum loads are 2 A on the 5 V output and 2 A on the V output for each power supply 2 of 3 Embedded Power for Business-Critical Continuity Mechanical Drawing Pin Assignments SK1 PIN 1 Ground PIN 3 -48 Vdc PIN 5 Return SK2 PIN 1 +12 V PIN 2 Common PIN 3 -12 V SK3 PIN 1

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Embedded Power for Business-Critical Continuity

NTQ123-DC Series
70 - 125 Watts

Total Power Input Voltage # of Outputs:
70-120 Watts 36 - 72 VAC Quad
1 of 3

Special Features
• -48 VDC input
• Remote sense on outputs
one and two
• Power fail and remote inhibit
• Single wire current sharing
on outputs one and two
• Adjustable main outputs
• Built-in Class B EMI filter
• Overvoltage protection
• Overload protection
• Thermal overload protection

Safety

VDE 0805/EN60950 IEC950

UL1950

CSA Level 3

NEMKO EN 60950/EMKO-TUE
74-sec 203

Certificate and report

Mark LVD

Electrical Specifications

Input range Inrush current Efficiency EMI filter
36 - 72 VDC
38 A max., cold start 25°C
65% typical at full load FCC Class B conducted CISPR 22 Class B conducted EN55022 Class B conducted VDE 0878 PT3 class B conducted and radiated.

Safety ground leakage current Output Maximum power

Adjustment range
<1 mA 72 Vdc input
70 W for convection 125 W with 30 CFM forced air ±5% minimum

Hold-up time
20ms 120 W load, -48 Vdc input

Overload protection Short circuit protection on all outputs Case overload protected 110 -145% above peak rating

Overvoltage protection V output 5 V output 10% to 35% above nominal output

Logic Control Power failure

Remote inhibit Remote sense

TTL logic signal goes high 100-500 msec after 5 V output it goes low at least 4 msec before loss of regulation Requires an external TTL Signal to inhibit outputs

Embedded Power for Business-Critical Continuity

Environmental Specifications

Operating temperature 0° to 50°C ambient. Derate each output per degree from 50° to 70°C

Storage temperature -40°C to +85°C

Temperature coefficient per °C

Electromagnetic susceptibility:

Designed to meet EN61000-4, -2, -3, -4, -5, -6, -8, -11 Level 3
Ordering Information

Model Number

Output Voltage

Maximum Load

Minimum Maximum Load with 30CFM

Load

Convection Cooling forced Air

NTQ123-DC V - 2 A

Ripple P/P Peak Load 1 Regulation 2 PARD 3
±2%
50 mV
+5 V - 0 A
±2%
50 mV
+12 V
±3%
120 mV
-12 V
±3%
120mV

Peak current lasting <30 seconds with a maximum 10% duty cycle.

At 25°C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings.

Peak-to-peak with 20 MHz bandwidth and 10 uF in parallel with a uF capacitor at rated line voltage and load ranges. Minimum loads are required. In parallel minimum loads are 2 A on the 5 V output and 2 A on the V output for each
power supply
2 of 3

Embedded Power for Business-Critical Continuity

Mechanical Drawing

Pin Assignments

SK1 PIN 1

Ground

PIN 3
-48 Vdc

PIN 5

Return

SK2 PIN 1
+12 V

PIN 2

Common

PIN 3
-12 V

SK3 PIN 1

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Datasheet ID: 70-841-012 518477