NQB-420xxx-AN Datasheet PDF - CUI
| Part Number | NQB-420xxx-AN | |
| Description | FULLY REGULATED ADVANCED BUS CONVERTERS | |
| Manufacturers | CUI | |
| Logo |  |
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There is a preview and NQB-420xxx-AN download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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date 10/10/2012
page 1 of 36
SERIES: NQB │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS
GENERAL CHARACTERISTICS
• configurable soft start/stop
• precision delay and ramp-up
• voltage margining
• voltage/current/temperature monitoring
• configurable output voltage
• configurable fault response
• power good
FEATURES
• industry standard quarter-brick with
digital PMBus interface
57.9 x 36.8 x 11.3 mm
(2.28 x 1.45 x 0.445 in)
• optional industry standard 5-pins for
intermediate bus architectures
• Industry-leading Power Density for
Telecom and Datacom 127~141W / sq. in
• CUI DC/DC Energy Optimizer built-in
• High efficiency, typ. 96.4% at half load,
12 Vout
• Fully regulated Advanced Bus Converter
from 36~75Vin
• 2,250 Vdc input to output isolation
• Fast Feed forward regulation to manage
line transients
• Optional baseplate for high temperature
applications
• Droop Load Sharing with 10% current
share accuracy
• PMBus Revision 1.2 compliant
• 2.9 million hours MTBF
• ISO 9001/14001 certified supplier
www.DataSheet.net/
• Ericsson BMR456 compatible
MODEL
NQB-420[D,N]WA-AN
NQB-468[D,N]MA-AN
NQB-415[D,N]WB-AN
NQB-462[D,N]MB-AN
input voltage
(Vdc)
36~75
40~60
36~75
40~60
output voltage
(Vdc)
12
12
12.45
12.45
output current
max
(A)
35
39
35
39
output wattage
max
(W)
420
468
415
462
cui.com
Datasheet pdf - http://www.DataSheet4U.co.kr/
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CUI Inc │ MODEL: NQB │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS
date 10/10/2012 │ page 5 of 36
Functional Description
TP1, TP3 = -40 to +90ºC, VI = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: TP1, TP3 = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions
Configuration File: 190 10-CDA 102 0314/001
Characteristics
Conditions
min typ
PMBus monitoring accuracy
VIN_READ
Input voltage
-2 ±0.2
VOUT_READ
Output voltage
VI = 53 V
-1.0 ±0.1
IOUT_READ
Output current
VI = 53 V, 50-100% of max IO
-6
±0.15
IOUT_READ
Output current
VI = 53 V, 10% of max IO
-0.6
-
TEMP_READ
Temperature
-5 ±3.5
Fault Protection Characteristics
Factory default
- 33
Input Under Voltage Setpoint accuracy
Lockout,
UVLO
Hysteresis
Factory default
Configurable via PMBus of
threshold range, Note 1
-2
-
0
-
2
-
Delay
- 300
Factory default
(Output voltage)
VOUT_UV_FAULT_LIMIT
Configurable via PMBus, Note 1
Over/Under Voltage
Protection,
Factory default
VOUT_OV_FAULT_LIMIT
OVP/UVP
Configurable via PMBus, Note 1
fault response time
-
0
-
VOUT
-
0
-
15.6
-
200
Over Current
Protection,
OCP
Over Temperature
Protection,
OTP
Setpoint accuracy
Io
www.DataSheet.net/
Factory default
IOUT_OC_FAULT_LIMIT
Configurable via PMBus, Note 1
fault response time
OTP_FAULT_LIMIT
OTP hysteresis
fault response time
Factory default
Configurable via PMBus, Note 1
Factory default
Configurable via PMBus, Note 1
-6
-
0
-
-
-50
0
-
41
-
200
125
10
300
Logic Input/Output Characteristics
Logic input low (VIL)
Logic input high (VIH)
Logic output low (VOL)
Logic output high (VOH)
Bus free time T(BUF)
CTRL, SA0, SA1, PG, SCL, SDA,
CTRL, PG, SALERT, SCL, SDA
IOL = 6 mA
CTRL, PG, SALERT, SCL, SDA
IOH = -6 mA
Note 2
-
2.1
-
2.7
1.3
-
-
-
-
-
max
2
1.0
6
0.6
5
-
2
-
-
-
-
16
-
16
-
6
-
100
-
-
125
125
-
1.1
-
0.25
-
Note 1: See Operating Information section.
Note 2: PMBus timing parameters according to PMBus spec.
Unit
%
%
%
A
ºC
V
%
V
V
μs
V
V
V
V
μs
%
A
μs
C
μs
V
V
V
V
μs
cui.com
Datasheet pdf - http://www.DataSheet4U.co.kr/
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| Information | Total 30 Pages | |
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