P I C O V E R T E R
RO
p
ICO
V
ERTER
®
®
DC-DC Converters, 50-60 Watt Family
Evaluation Boards Available
World’s Most Advanced Ultra High
Density DC-DC Converters
Up to 60 Watts
48 and 300 VDC Input
DESCRIPTION
PicoVerter modules are high density DC-
DC converters designed for use in tele-
com and other centralized modular and
distributed power applications. All use
metal PC boards, planar transformers, and
surface mount construction to produce up
to 60 watts in a tiny package.
F E AT U R E S
Miniature Size – Low Profile .42”
High Efficiency
Low Cost
Industry Standard Pin-out
Low Thermal Resistance
100°C Baseplate Operation
Constant Frequency Operation
Non-Shutdown Over Voltage Protection
Logic On/Off
Fully Automated Manufacturing
Safety Agency Compliant
MODEL SELECTION
Model Number
Input
48 VDC
300 VDC
(36-72V)
(220-400V)
pV48-3
pV300-3
pV48-5
pV300-5
pV48-12
pV300-12
pV48-15
pV300-15
pV48-24
pV300-24
Output
Voltage
Current
3.3V
5V
12V
15V
24V
12.5A
10A
5A
4A
2.5A
26
RO Associates, Inc. • Sunnyvale, CA • 408 744-1450 • Fax: 408 744-1521 • email: sales@roassoc.com
p V 4 8 S E R I E S S P E C I F I C AT I O N S
INPUT
Input voltage
Input reflected ripple
No load power dissipation
Set point accuracy
Load regulation
Line regulation
Ripple
Trim range
Remote sense compensation
OVP (non shutdown auto. recovery)
OVP (non shutdown auto. recovery)
Current Limit (auto.recovery)
Short circuit current
Transient response -
Excursion
Recovery Time
Temperature drift
MIN
36VDC
TYPICAL
48VDC
10%
0.76W
±0.5%
0.1%
0.1%
1%
±10%
0.5V total
105%
110%
MAX
72VDC
CONDITIONS
full load, nominal line
nominal line
±1%
0.2%
0.2%
3%
full load
0 - full load
36 - 72VDC
0 - 20MHz
OUTPUT
110%
115%
115%
130%
2%
50µs
120%
130%
3V model
5-24V models
200µs
.02%/°C
20-80% fl, 0.5 A/us
Vout 1%
EFFICIENCY
5V Model
15V Model
ISOLATION
Input to output
Input to case
Output to case
Operating temperature
Automatic shut down temperature
Thermal resistance case to ambient
Storage temperature
3000VDC
1500VDC
500VDC
-40°C case
+100°C case
-55°C
83%
87%
full load, nominal line
full load, nominal line
consult factory for procedure
THERMAL
+105°C case
6.6 °C/w
+100°C case
+110°C case
+110°C
WEIGHT
SIZE
3.4oz. (96 grams)
0.42” x 2.40” x 2.30” (1.07cm x 6.10cm x 5.84cm)
p V 3 0 0 S E R I E S S P E C I F I C AT I O N S — P R E L I M I N A R Y
INPUT
Input voltage
Input reflected ripple
Set point accuracy
Load regulation
Line regulation
Ripple
Trim range
Remote sense compensation
OVP (non shutdown auto. rec.)
Current Limit (auto.rec.)
Short circuit current
Transient response -
Excursion
Recovery Time (Vout 1%)
Temperature drift
Input to output
Input to case
Output to case
Operating temperature
Automatic shut down temperature
Thermal resistance case to ambient
Storage temperature
MIN
220VDC
TYPICAL
300VDC
10%
±0.5%
0.1%
0.1%
1%
±10%
0.5V total
110%
MAX
400VDC
CONDITIONS
full load, nominal line
±1%
0.2%
0.2%
3%
full load
0 - full load
220-400VDC
0 - 20MHz
OUTPUT
115%
115%
130%
2%
50µs
130%
200µs
.02%/°C
20-80% fl, 0.5 A/us
Vout 1%
ISOLATION
4500VDC
2500VDC
500VDC
-40°C case
+100°C case
-55°C
3.4oz. (96 grams)
0.42” x 2.40” x 2.30” (1.07cm x 6.10cm x 5.84cm)
+100°C case
+110°C case
+110°C
THERMAL
+105°C case
6.6 °C/w
WEIGHT
SIZE
RO Associates, Inc. • Sunnyvale, CA • 408 744-1450 • Fax: 408 744-1521 • email: sales@roassoc.com
27
P V 4 8 & P V 3 0 0
S E R I E S
O U T L I N E
RO
p
ICO
V
ERTER
®
Outline Drawing & Performance Data
O U T L I N E D R AW I N G
P I C O V E R T E R
®
THERMAL PERFORMANCE
5
100
OUTPUT POWER, % OF FULL LOAD
4
3
2
75
1
50
25
0
0
25
50
AMBIENT TEMPERATURE,
°C
1 - With No Heatsink and No Airflow
2 - With 2003 Heatsink and No Airflow or, with a 2.9°C/W Heatsink
3 - With 2003 Heatsink and 200 LFM Airflow or, with a 2.4°C/W Heatsink
4 - With 2003 Heatsink and 400 LFM Airflow or with a 1.6°C/W Heatsink
5 - Output Power vs. Case Temperature. No Derating Required for Tc<100°C
75
100
28
RO Associates, Inc. • Sunnyvale, CA • 408 744-1450 • Fax: 408 744-1521 • email: sales@roassoc.com
TRANSIENT RESPONSE & OUTPUT RIPPLE
Transient Response
1
Vout
50
µs
100mV
2
Iout
50
µs
2A
11
5V
1
1
µs
50 mV
Output Ripple
100 MS/s
MODEL pV48-5
LOAD STEP 2A-8A-2A. CURRENT SLEW RATE 0.5A/µS.
0A
100 MS/s
MODEL pV48-5.
DSO, 400MHZ ANALOG BW, 100 MS/s SAMPLING.
EFFICIENCY
Efficiency—3 & 5V Output Models
85
pV 48-5
Efficiency—12 & 24V Output Models
90
pV 48-12
85
80
EFFICIENCY (%)
pV 48-3
EFFICIENCY (%)
80
pV 48-24
75
75
70
70
65
Nominal Line, 25°C Case
65
0
10
20
30
40
OUTPUT POWER, WATTS
50
60
0
Nominal Line, 25°C Case
10
20
30
40
50
OUTPUT POWER, WATTS
60
RO Associates, Inc. • Sunnyvale, CA • 408 744-1450 • Fax: 408 744-1521 • email: sales@roassoc.com
29
P I C O V E R T E R
2
®
P E R F O R M A N C E
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