NQB-420DWA-AN Datasheet, PDF (5/36 Pages) CUI INC – FULLY REGULATED ADVANCED BUS CONVERTERS

CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS
date 02/20/2013 │ page 5 of 36
Functional Description
T_P1, T_P3 = -40 to +90ºC, V_I = 36 to 75 V, sense pins connected to output pins unless otherwise specified under Conditions.
Typical values given at: T_P1, T_P3 = +25°C, V_I= 53 V, max I_O , unless otherwise specified under Conditions
Configuration File: 190 10-CDA 102 0314/001
parameter
conditions/description
PMBus monitoring accuracy
input voltage (VIN_READ)
output voltage (VOUT_READ)
output current (IOUT_READ)
temperature (TEMP_READ)
V_I = 53V
V_I = 53V, 50-100% of max I_O
V_I = 53V, 10% of max I_O
fault protection
characteristics
input under voltage lockout
(UVLO)
factory default
setpoint accuracy
hysteresis: factory default
hysteresis: configurable via PMBus of threshold
range, note 1
delay
output voltage - under voltage
protection (VOUT_UV_FAULT_
LIMIT)
factory default
configurable via PMBus, note 1
fault response time
output voltage - over voltage
protection (VOUT_OV_FAULT_
LIMIT)
factory default
configurable via PMBus, note 1
fault response time
over current protection (OCP)
setpoint accuracy (I_O)
IOUT_OC_FAULT_LIMIT factory default
IOUT_OC_FAULT_LIMIT, configurable via PMBus,
note 1
fault response time
over temperature protection
(OTP)
OTP_FAULT_LIMIT, factory default
OTP_FAULT_LIMIT, configurable via PMBus, note 1
hysteresis, factory default
hysteresis, configurable via PMBus, note 1
fault response time
logic input/output
characteristics
logic input low (V_IL)
logic input high (V_IH)
logic output low (V_OL)
logic output high (V_OH)
bus free time T(BUF)
CTRL, SA0, SA1, PG, SCL, SDA
CTRL, SA0, SA1, PG, SCL, SDA
CTRL, PG, SALERT, SCL, SDA
I_OL = 6 mA
CTRL, PG, SALERT, SCL, SDA
I_OH = -6 mA
note 2
Note
1: See Operating Information section.
2: PMBus timing parameters according to PMBus spec.
min
-2
-1.0
-6
-0.6
-5
-2
0
0
V_OUT
-6
0
-50
0
2.1
2.7
1.3
typ
±0.2
±0.1
±0.15
±3.5
33
2
300
0
200
15.6
200
41
200
125
10
300
max
2
1.0
6
0.6
5
2
16
16
6
100
125
125
1.1
0.25
units
%
%
%
A
ºC
V
%
V
V
μs
V
V
μs
V
V
μs
%
A
A
μs
ºC
ºC
ºC
ºC
μs
V
V
V
V
μs
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