unr-3.3 C&D Technologies., unr-3.3 Datasheet - Page 2

• Manufacturer Part Number: unr-3.3
• Description: 5vin, 1.5-3.3vout Dc/dc Converters
• Manufacturer: C&D Technologies.

www.murata-ps.com
Performance Specifications and Ordering Guide
➀ Typical at T
root Model
UNr-1.5/20-D5
UNr-1.8/20-D5
UNr-2.5/15-D5
UNr-2.5/20-D5
UNr-3.3/15-D5
UNr-3.3/20-D5
otherwise noted. All models are tested and specified with a 22µF output capacitor with a
200mΩ ESR and a 4000µF input capacitor with 9.75Arms ripple-current rating and 20mΩ ESR.
See I/O Filtering and Noise Reduction for more details.
P A r T N U M b E r S T r U c T U r E
Output configuration:
U = Unipolar
Nominal Output Voltage:
1.2, 1.5, 1.8, 2.5 or 3.3 Volts
A
➄
= +25°C under nominal line voltage and full-load conditions, unless
Non-Isolated
U NR
* Contact Murata Power Solution Technologies (DATEL) for availability.
(Volts)
V
-
1.5
1.8
2.5
2.5
3.3
3.3
OUT
3.3
/
20
(Amps)
I
OUT
20
20
15
20
15
20
-
Maximum rated Output
Input Voltage range:
D5
Current in Amps
D5 = 4.75 to 5.5 Volts (5V nominal)
roHS-6 compliant*
-
Typ.
80
80
75
75
75
75
C
r/N (mVp-p) ➁
Output
➀
Max.
100
100
120
120
120
120
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
Line
regulation (Max.)
➁ Ripple/Noise (R/N) is tested/specified over a 20MHz bandwidth. Output noise may be further
➂ These devices have no minimum-load requirements and will regulate under no-load conditions.
➃ Nominal line voltage, no-load/full-load conditions.
➄ These are only partial part numbers. Refer to the part number structure when ordering.
Load ➂
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
#4-40 THD THRU
4 PLACES
M E c H A N I c A L S P E c I F I c A T I O N S
reduced by installing additional external output caps. See I/O Filtering and Noise Reduction.
0.040 ±0.002 DIA.
(1.016 ±0.051)
4 PLACES
3 EQ. SP. @
0.200 (5.08)
(15.24)
0.600
(6.35)
0.25
V
(Volts)
IN
Nom.
5
5
5
5
5
5
UNR Open-Frame Series
Technical enquiries email: [e-mail], tel:
Single Output, Non-Isolated, 15-20 Amp
DIMENSIONS ARE IN INCHES (MM)
4.75-5.5
4.75-5.5
4.75-5.5
4.75-5.5
4.75-5.5
4.75-5.5
range
(Volts)
Input
1
2
3
4
5
Pin
5V
1
2
3
4
5
6
7
8
BOTTOM VIEW
I/O connections
IN,
Case C21
(10.16)
(50.80)
On/Off Control
Function P26
Output Return
(40.64)
0.400
(41.66)
1.600
1.640
Input Return
2.00
1.5-3.3V
150/11360
150/10880
150/14830
150/7080
150/8500
150/8430
(mA/A)
+Output
–Sense
+Sense
I
+Input
IN
Trim
➃
(4.57)
0.180
6
7
8
OUT
82.5%
83.5%
Min.
86%
83%
87%
86%
Efficiency
DC/DC Converters
UNR30-66W.B01 Page 2 of 8
(12.45)
0.320
(8.13)
0.49
0.080 ±0.002 DIA.
(2.032 ±0.051)
(12.70)
(4.57)
0.500
0.180
4 PLACES
Typ.
84%
85%
89%
86%
91%
89%
(41.66)
[phone]
1.640
C21, P26
C21, P26
C21, P26
C21, P26
C21, P26
C21, P26
Package
(50.80)
Pinout)
(case,
2.00