Q48SG12034NRFA Datasheet, PDF (3/26 Pages) Delta Electronics, Inc. – Delphi Series Q48SG Quarter Brick Family Full Digital Control DC/DC Power Modules:

TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
PMBus Signal Interface Characteristics
Logic Input Low (VIL)
Logic Input High (VIH)
Logic Onput Low (VOL)
Logic Onput High (VOH)
PMBus Operating Frequency Range
PMBus Monitoring CHARACTERISTICS
Output Current Reading Accuracy
Output Voltage Reading Accuracy
Input Voltage Reading Accuracy
Temperature Reading Accuracy
GENERAL SPECIFICATIONS
MTBF
Weight
Weight
Over-Temperature Shutdown ( Without heat spreader)
Over-Temperature Shutdown (With heat spreader)
C2, Data, SMBAlert, Clock pin
C2, Data, SMBAlert, Clock pin
C2, Data, SMBAlert, Clock pin; IOL=6mA
C2, Data, SMBAlert, Clock pin; IOH=-6mA
Io=50% ~ 100% of Io, max;
Io=5% ~ 50% of Io, max;
Io=80% of Io, max; 300LFM; Ta=25°C
Without heat spreader
With heat spreader
Refer to Figure 22 for Hot spot 1 location
(48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-)
Refer to Figure 24 for Hot spot 2 location
(48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-)
Over-Temperature Shutdown ( NTC resistor )
Refer to Figure 22 for NTC resistor location
Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spots’ temperature is just for reference.
Q48SG12034 (Standard)
Min.
Typ.
Max.
Units
0
0.8
V
2.1
3.3
V
0.4
V
2.6
V
100
400
KHz
-5
+5
%
-2
+2
A
-2
+2
%
-4
+4
%
-5
+5
℃
2.9
M hours
52.5
grams
66.5
grams
128
°C
115
°C
125
°C
PIN DEFINATION
Pin#
Name Function
Pin# Name Function
1
VIN(+)
7 C2
Secondary on/off control pin; The default configuration is set to ignore this input. And such pin can be
reconfigured by the PMBus Interface.
2
ON/OFF Primary on/off control pin
8 Sig_Gnd Signal ground
3
VIN(-)
9 Data
PMBus data line
4
VOUT(-)
10 SMBAlert PMBus SMBAlert line
5
Trim Trim pin
11 Clock PMBus clock line
6
VOUT(+)
12 Addr1 ADDR1 pin sets the high order digit of the address.
13 Addr0 ADDR0 pin sets the low order digit of the address.
SIMPLIFIED APPLICATION CIRCUIT
Input
Source
Fuse
Reverse
polarity
Protection
EMI filter
On/off control
Delta DC/DC
Module
Vin(+)
On/off
Addr0 Addr1
Vout(+)
Trim
Vin(-)
Vout(-)
SMB
CLOCK DATA -ALERT C2
Load
CLK DATA ALERT CTRL
System MCU
3
DS_Q48SG12034_06272013