UNR-3.3/3-D5-C Murata Power Solutions Inc, UNR-3.3/3-D5-C Datasheet - Page 2

• Manufacturer Part Number: UNR-3.3/3-D5-C
• Description: DC/DC Converters & Regulators 10W 5V to 3.3V 3A
• Manufacturer: Murata Power Solutions Inc
• Type: Step Downr

Specifications of UNR-3.3/3-D5-C

• Output Power: 10 W
• Input Voltage Range: 4.75 V to 5.5 V
• Number Of Outputs: 1
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 3 A
• Package: 6Case C7A
• Output Current: 3 A
• Output Voltage: 3.3 V
• Input Voltage: 5 V
• Switching Regulator: Yes
• Product: Non-Isolated / POL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: UNR-3.3/3-D5-C

➀ Typical at T
➁ Ripple/Noise (R/N) measured over a 20MHz bandwidth. The UNR-3.3/3-D12 and D12SM models
PERFORMANCE SPECIFICATIONS AND ORDERING GUIDE
Part Number
UNR-1.8/2-D5
UNR-1.8/2-D5SM
UNR-2.5/2-D5
UNR-2.5/2-D5SM
UNR-3.3/3-D5
UNR-3.3/3-D5SM
UNR-3.3/3-D12
UNR-3.3/3-D12SM
PART NUMBER STRUCTURE
The UNR-1.8/2-D5 and D5SM models require an external 15k: pull-up resistor between +Input
and On/Off Control for normal operation. See On/Off Control for details.
are specifi ed with an external 22μF input capacitor. All other models are specifi ed with no external
I/O capacitors. Output noise on the D12 models can be reduced signifi cantly with the addition of
external output capacitors. See I/O Filtering.
A
= +25°C under nominal line voltage and full-load conditions, unless otherwise noted.
➅
➁
➁
Vout (V)
1.8
1.8
2.5
2.5
3.3
3.3
3.3
3.3
Iout
(A)
2
2
2
2
3
3
3
3
Output Confi guration:
Power
(W)
3.6
3.6
9.9
9.9
9.9
9.9
U = Unipolar
5
5
R/N (mVp-p)
Output
Typ.
100
100
Nominal Output Voltage:
35
35
40
40
40
40
Non-Isolated
Maximum Output Current
1.8, 2.5 or 3.3 Volts
in Amps
U NR
Max.
150
150
50
50
80
80
75
75
www.murata-ps.com
➁
-
Single Output, Non-Isolated, 1.8/2.5/3.3V
Regulation (Max.)
±0.35%
±0.35%
±0.25%
±0.25%
±0.1%
±0.1%
±0.4%
±0.4%
2.5
Line
/
2
Load ➂
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
➂ D5/D5SM models require a minimum 300mA load current to maintain regulation. D12/D12SM
➃ Nominal line voltage, no-load/full-load conditions.
➄ D5/D5SM models may experience start-up problems if voltages greater than 1.0V (for 3.3V models)
➅ These are only partial part numbers. Refer to the part number structure when ordering.
Input Voltage Range:
-
models have no mimimum load requirement. Listed specs apply from 300mA to full load for D5/
D5SM models and from no load to full load for D12/D12SM models.
or 1.2V (for 1.8/2.5V models) are present across the output pins during power-up.
D5 SM
D5 = 4.75-5.5 Volts (5V nominal)
D12 = 10.8-13.6 Volts (12V nominal)
V
IN
Surface-Mount Packaging
(V)
12
12
Nom.
5
5
5
5
5
5
RoHS-6 compliant
-
C
10.8-13.6
10.8-13.6
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
Input
(V)
200/5.62
200/5.62
(mA/A)
30/0.91
30/0.91
40/2.25
40/2.25
40/0.93
40/0.93
I
IN
➃
04 Nov 2010 MDC_UNR 3.6-10W_B02 Page 2 of 8
OUT
Min.
77%
77%
85%
85%
86%
86%
87%
87%
Effi ciency
3.6-10W DC/DC Converters
email: [e-mail]
UNR Series
Typ.
79%
79%
89%
89%
88%
88%
89%
89%
Package
C17, P24
C17, P24
C17, P24
C17, P24
Pinout)
C7A, P9
C7A, P9
C7A, P9
C7A, P9
(Case