TM
150W & 165W DC-DC CONVERTERS
MODELS: SYVHC48-2.5-60/65-1
ADVANCE DATA SHEET
•
INPUT:
•
OUTPUT:
36 - 75Vdc
2.5Vdc @ 60 or 65A
Evaluation
Boards Are
Available
FEATURES
•
High Efficiency: Over 89%
•
High Power Density: 56 W/cu. in.
•
Provisions for Heat Sink Attachment
•
Optional Non-Shutdown Over Voltage
Protection
•
Recovers Automatically from all Protection
Modes
•
Trim Range: 80 to 110%
•
Remote Sense
•
Constant Frequency
•
-40 to +100°C Operation
•
Safety Agency Compliant
•
Dual Output Pins for a Low Loss PCB
Interface
MODEL SELECTION
Efficiency
92
90
36Vin
Efficiency (%)
88
86
75Vin
84
82
80
78
76
0
10
20
30
40
50
60
70
48Vin
Input
Voltage
(Vdc)
SYVHC48-2.5-65-1 36-75
SYVHC48-2.5-60-1 36-75
Model
Number
Output
Voltage
(Vdc)
2.5
2.5
Output
Current
(A)
65
60
See the last page for available options
Load Current (Amps)
DESCRIPTION
SYNCROVERTER HC DC-DC converters are ultra-high efficiency, high current modules
packaged in a modified “half brick” package. Their isolated, fixed frequency, state-of-the-art
design uses synchronous rectification, an integrated planar transformer, and a low loss multi-
layer PCB to provide up to 65A of 2.5Vdc power. Their very high efficiency allows them to be
operated in a typical application without a heat sink. The HC series includes an integral thermal
interface to attach a high performance cooling system for more demanding environments.
RO Associates, Inc.
Sunnyvale, CA
408 744-1450
fax:408 744-1521
email:sales@roassoc.com
SYNCROVERTER
TM
HC
DC-DC Converters
SYVHC48-2.5-60/65-1
ABSOLUTE MAXIMUM RATINGS
Exceeding absolute maximum ratings may cause permanent damage and may reduce reliability
PARAMETER
Continuous Input Voltage (+In to –In)
Transient Input Voltage (+In to –In)
On/Off Voltage (On/Off to –In)
Storage Temperature
Operating Temperature
Soldering Temperature (Wave Solder)
Soldering Temperature (Hand Solder)
MIN
-0.3
-0.3
-0.3
-40
-40
MAX
75
80
40
+125
+100
+260
+390
UNITS
Vdc
Vdc
Vdc
°C
°C
°C
°C
CONDITIONS
Up to 100ms
Baseplate
< 5 sec.
< 7 sec.
SPECIFICATIONS
Specifications apply with 48Vin, full load, 25°C unless indicated otherwise.
INPUT PARAMETERS
Input Voltage
Startup Voltage
Shut Down Voltage
Maximum Input Current
Input Ripple Rejection
OUTPUT PARAMETERS
Voltage Set Point
Load Regulation
Line Regulation
Voltage Drift w/Temperature
Ripple
Rated Current 60A Model
65A Model
Output Power
60A Model
65A Model
MIN
36
33
30
TYP
48
34
31
60
MAX
75
35
32
5.8
UNITS
Vdc
Vdc
Vdc
A
dB
CONDITIONS
36Vin, 25°C
@120 Hz
CONDITIONS
48Vin, 25°C, Full Load
0 A to Full Load
Over Vin Range
-40 to +100 °C
5 Hz to 20 MHz,
C
ext
= 10µF Tantalum + 1µF Ceramic
MIN
2.47
TYP
2.50
0.05
0.05
75
MAX
2.53
0.2
0.2
0.02
150
60
65
150
163
UNITS
Vdc
%
%
%/°C
mV p-p
A
W
% F.L.
% F.L.
mV
µsec
0
0
@ 2.5Vdc
Vout = 95% Vout nominal
Vout = 250mV
Load change from 50% to 75% full load
Slew rate = 1A/µsec
Vout within 1% Vout nominal
Vin = 48V, 60A Load, 25 °C Case
Current Limit Inception
Short Circuit Current
Transient Response
Peak Deviation
Settling Time
External Load Capacitance
Efficiency
(see efficiency curve)
112
117
130
150
100
50
0
89
10,000
µF
%
RO Associates, Inc.
Sunnyvale, CA
408 744-1450
fax:408 744-1521
email:sales@roassoc.com
SYNCROVERTER
TM
HC
DC-DC Converters
SYVHC48-2.5-60/65-1
SPECIFICATIONS (continued)
ISOLATION PARAMETERS
Input/Output Isolation
Input/Baseplate Isolation
Output/Baseplate Isolation
Input-to-Output Capacitance
Input-to-Output Resistance
MECHANICAL PARAMETERS
Weight
Size
Thermal Resistance, Case-to-
Ambient
FEATURE PARAMETERS
Trim Range
Over Voltage Protection
Shut Down Voltage
Auto-Restart Delay
Over Temperature Shut-down
(Automatic Recovery)
Turn-On Time
Logic On/Off
Logic Low
On/Off Source Current
Logic High
On/Off Sink Current
Logic Turn-On Time
12
0.5
2
15
50
MIN
2.00
115
150
105
25
60
10
MIN
TYP
94 (3.3)
2.42 x 2.4 x 0.5
6.6
MAX
125
MIN
TYP
MAX
1500
1500
500
UNITS
Vdc
Vdc
Vdc
pF
M Ohms
UNITS
g (oz.)
Inches
°C/W
Case Temperature = 100°C
CONDITIONS
CONDITIONS
TYP
MAX
2.75
140
UNITS
Vdc
% Vout
msec
°C
msec
V
mA
V
µA
msec
CONDITIONS
25°C Case
50% F.L.
Case Temperature
80% F.L., Vout Settled within 1%
Vout = 0
@Von/off < 0.5V
@Von/off = 15V
80% F.L., Vout Settled within 1%
TRIM CIRCUIT CONFIGURATIONS
TRIM-UP
+OUT
+SENSE
R
trim-up
TRIM
LOAD
-SENSE
-OUT
-SENSE
-OUT
R
trim-dn
TRIM
TRIM-DOWN
+OUT
+SENSE
LOAD
TRIM RESISTOR CALCULATIONS
(Standard Trim)
V
(
100
+ ∆
%)
(
100
+
1
.
1
⋅ ∆
%
)
R
trim
−
up
=
10
⋅
O
−
⋅
k
Ω
∆
%
1
.
225
∆
%
100
−
1
.
1
⋅
k
Ω
R
trim
−
dn
=
10
⋅
∆
%
Where:
Vo
= The nominal output voltage of the module
with no trimming.
∆
% =
The desired percentage change in the
output (∆
%
is always a positive number).
∆
RO Associates, Inc.
Sunnyvale, CA
408 744-1450
fax:408 744-1521
email:sales@roassoc.com
SYNCROVERTER
TM
HC
DC-DC Converters
SYVHC48-2.5-60/65-1
Input Characteristics
7
3.0
Output Characteristics
(Vin = 48V)
Output Voltage (Volts)
Input Current (Amps)
6
5
4
3
2
1
0
SYVHC48-2.5-65
Full Load
2.5
2.0
1.5
1.0
0.5
0.0
0
10
20
30
40
50
60
70
80
90
Output Automatically Recovers
When Overload is Removed
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75
Input Voltage (Volts)
Output Current (Amps)
2.5V Transient Response
Vout @ 100mV/DIV.
Outline Drawing
2.42
[61.5]
2.042
[51.87]
0.169 Ø MAX
[4.28 Ø MAX]
MOUNTING
INSERTS
M3 x 0.5 THRU
4 PL
0.30
[7.6]
-VIN
-VOUT
2.40
[61.0]
1.400
[35.56]
0.600
[15.24]
CASE
-S
I
load @ 10A/DIV.
2.00
[50.8]
PIN SIDE
NEARSIDE
ON/
OFF
T
0.400
[10.16]
0.300
[7.62]
+S
+VIN
+VOUT
Sweep @ 50µsec/DIV.
0.137 [3.47]
0.332 [8.43]
Iout = 32.5A – 48.75A – 32.5A
Current Slew Rate = 1 A/µsec
0.040 [1.02] Ø PIN
7 PL.
0.080 [2.03] Ø PIN
4 PL.
0.21
[5.3]
Part Numbering Scheme
Converter
Family
Vin
(nom)
Vout
(nom)
Io
(rated)
Options
Code
Special
Features
ALUMINUM HEATSINK SURFACE
0.500 ± 0.020
[12.70 ± 0.5]
SYVHC
SyncroVerter
HC
Series
48
48V nom.
36V - 75V
-
2.5
2.5V
output
-
65
Io
rating
= 65A
-
1
neg. logic
(see
below)
standard
ALL DIMENSIONS ARE IN
INCHES
[MILLIMETERS]
The options code is the concatenation of the suffixes for the desired options.
TOLERANCES UNLESS SPECIFIED OTHERWISE:
x.xx in. ± 0.02 in. [x.x mm. ± 0.5 mm.]
x.xxx in. ± 0.010 in. [x.xx mm. ± 0.25 mm.]
Available Options
Negative Logic
(1) – The On/Off pin must be held low to turn the
module on. If it’s left floating, the module turns off. The suffix for
negative logic is “1”. This is the standard logic configuration.
Positive Logic
()
– The On/Off pin must be high to turn the module on.
If it’s left floating, the module turns on. The positive logic suffix is “”.
Alternate Pins
(
6)
– Replaces the standard 0.200” thru-hole pins, with
0.145” thru-hole pins. The suffix for 0.145” pins is “6”.
Alternate Trim
(T)– The trim resistor is calculated using the industry
standard SyncroVerter equations. The alternate trim suffix is “T”.
Ride-Thru OVP
(R) – The protection circuits limit the output to the OVP
level without shutting down. The ride-thru OVP suffix is “R”.
(minimum quantities and extended lead-times may apply to orders of non-standard options)
RO Associates, Inc.
P.O.BOX 61419
Sunnyvale, CA 94088
www.roassoc.com
rev 040709
email:sales@roassoc.com
800-443-1450
408 744-1450
fax: 408 744-1521
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