PSR2

PSR2-78xxLF
PSR-SERIES
Rev.09-2013
2000 mA Switching Regulator
Wide Input Voltage Range
SIP3 Plastic Package
Non-Isolated & Non-Regulated
Short Circuit Protection
Low Ripple and Noise
Mainzer Straße 151–153
D-55299 Nackenheim
Tel. +49 6135 7026-0
Fax: +49 6135 931070
www.peak-electronics.de
[email protected]
The PSR series is a family of cost effective single output buck DC-DC
converters. These converters are encapsulated in a non conductive
black plastic 3-pin SIP case, continuous short circuit protection with
automatic restart, good line / load regulation and ultra low quiescence
current. Devices are filled up with flame retardant resin. High
performance features include high efficiency operation up to 94%.
All specifications typical at Ta=25°C, nominal input voltage and full load unless otherwise specified
Input Specifications
Voltage Range
Wide Input (See Table)
Output Specifications
Voltage Accuracy
Output Current
Output Current Limit
Short Circuit Input Power
Short Circuit Protection
Line Regulation
Load Regulation (10% - 100% load)
Ripple and Noise (20Mhz bandwidth)
Temperature Coefficient
Thermal Shutdown
Capacitor Load
± 2%
2000mA
5000mA
0.5W (1.8W, max.)
Continuous (Automatic Recovery)
± 0.5%
± 0.5%
25 mV pk-pk (45 mV pk-pk, max.)
± 0.03% / °C, max.
150°C
1000 uF
General Specifications
Efficiency
Switching Frequency
Humidity
Reliability Calculated MTBF (MIL-HDBK-217F)
See Table
340 kHz, typ.
95% rel H, max.
> 2.0 Mhrs
Physical Specifications
Case Material
Potting Material
Weight
Non Conductive Black Plastic (UL94V-0 rated)
Epoxy (UL94V-0 rated)
~ 4.0 g
Environment Specifications
Operating Temperature (for 100%)
Maximum Case Temperature
Storage Temperature
Cooling
RoHS Conform
-40 to +71°C
100°C, max.
-55 to +125°C
Free Air Convection (10mm distance required)
Soldering 260°C, max (1.5mm from case 10sec.)
PSR-Series – PSR2-78xxLF – Switching Regulator – SIP3 – Plastic Case
Specification can change without a notice – We accept no liability for any inaccuracy or printing errors.
Page 1/3
Selection Guide*
C)
(% )
(%)
in .)
ax.)
m
m
Vin
V in
ge
tag
Vol
cy (
cy (
olta
t
n
n
V
u
e
e
t
i
i
p
c
c
Inpu
Out
Effi
Effi
ge
Ran
Order #
(VD
)
e (V
PSR2-781R5LF
4.75-18
1.5
79
76
PSR2-781R8LF
4.75-18
1.8
81
79
PSR2-782R5LF
PSR2-783R3LF
PSR2-7805LF
PSR2-786R5LF
4.75-18
4.75-18
6.5-18
8-18
2.5
3.3
5
6.5
85
87
91
92
83
86
88
91
If you need other specifications, please enquire.
* PSR2L-78xxLF for 90° bend pins.
Package / Pinning / Derating
PSR2-78xxLF
PSR2L-78xxLF
5.08
(0.20)
5.08
(0.20)
Bottom View
Bottom View
2
3
11.50
(0.45)
2.15
(0.09)
0.30
(0.01)
1
1
Datecode
PEAK
4.10
(0.161)
17.50
(0.69)
9.00
(0.354)
11.50
(0.45)
Modelcode
2
3
0.50
(0.02)
9.00
(0.354)
PEAK
1
2
Modelcode
3
Datecode
1
0.50
(0.02)
2
3
3.21
(0.13)
All dimensions are typical in millimeters (inches).
Tolerance x.xx = +/- 0.30 (+/- 0.01) / Specification may change without notice.
Pin length is typical.
#
1
2
3
PIN CONNECTIONS
Switching Reg.
+Vin
GND
+Vout
PSR-Series – PSR2-78xxLF – Switching Regulator – SIP3 – Plastic Case
Specification can change without a notice – We accept no liability for any inaccuracy or printing errors.
Page 2/3
App Notes
External Capacitor Table
C1
C2
PSR2-781R5LF
PSR2-781R8LF
10uF/25V
22uF/6.3V
10uF/25V
22uF/6.3V
PSR2-782R5LF
10uF/25V
22uF/6.3V
PSR2-783R3LF
10uF/25V
22uF/6.3V
PSR2-7805LF
10uF/25V
22uF/16V
PSR2-786R5LF
10uF/25V
22uF/16V
Standard Application Circuit
1. C1 and C2 are required
and should be fittet close to
the converter pins.
PSR2-78xxLF
2. The capacitance of C1 and
C2 sees external capacitor
table, it can be increased
properly if required. Tantalum
or low ESR electrolytic
capacitors may also suffice.
3. No parallel connection or plug and play.
Input Filter Circuit Connect
10uH-47uH
+Vin
Vin
Vo
+Vout
GND
10uF
10uF
GND
GND
Output Filter Circuit Connect
10uH-47uH
+Vin
Vin
Vo
GND
10uF
10uF
RL
22uF
GND
EMC Recommended Circuit
1mH
+Vin
Vin
Vo
+Vout
GND
330uF
2.2uF
Radiated Emissions:
EN55022; Class B
1uF
GND
GND
1mH
Conducted Emissions:
EN55022; Class B
ESD: EN61000-4-2; Level 3
6kV/8kV perf. Criteria B
Note: In this datasheet, all the test methods of indications are based on corporate standards.
PSR-Series – PSR2-78xxLF – Switching Regulator – SIP3 – Plastic Case
Specification can change without a notice – We accept no liability for any inaccuracy or printing errors.
Page 3/3