PSRW-78xxLF
PSRW-SERIES
Rev.11-2010
500 mA
Switching Regulator
Wide
Input
SIP3
Plastic Package
Non-Isolated & Non-Regulated
Low quiescence
out current
Short Circuit Protection
Low Ripple and Noise
Input Specifications
Voltage Range
Filter
Input Reflected Ripple Current
Output Specifications
Voltage Accuracy
Short Circuit Protection
Line Regulation
Load Regulation
(10% - 100% load)
Ripple and Noise
(20Mhz bandwidth)
Temperature Coefficient
Capacitor Load
General Specifications
Efficiency
Switching Frequency
Humidity
Reliability Calculated MTBF
(MIL-HDBK-217F)
Physical Specifications
Case Material
Potting Material
Weight
Environment Specifications
Operating Temperature
Maximum Case Temperature
Storage Temperature
Cooling
EMC Characteristics
Radiated Emissions
Conducted Emissions
ESD
Mainzer Straße 151–153
D-55299 Nackenheim
Tel. +49 6135 7026-0
Fax: +49 6135 931070
www.peak-electronics.de
peak@peak-electronics.de
The PSRW series is a family of cost effective 1.65~7.5W 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 .Input voltages of
9~72, 14~72, 17~72, 20~72, and 36~72 with output voltage of 3.3, 5, 6.5,
7.2, 9 , 12 and 15Vdc. High performance features include high efficiency
operation up to 95%.
All specifications typical at Ta=25° nominal input voltage and full load unless otherwise specified
C,
Wide Input
(See Table)
Capacitors
35mA pk-pk
± 3%
Indefinite
(Automatic Recovery)
± 1%
± 0.6%
75 mV pk-pk
± 0.02% / °
C
100 uF
See Table
120 - 800 kHz
95% rel H
> 4.5 Mhrs
Non Conductive Black Plastic
(UL94V-0 rated)
Silicon
(UL94V-0 rated)
~ 1.8 g, typ.
-40 to +60°
(for 100%)
C
105°
C
-40 to +125°
C
Free Air Convection
(10mm distance required)
EN55022 CLASS B
EN55022 CLASS B
EN61000-4-2 Pref. Criteria A
PSRW-Series – PSRW-78xxLF – Switching Regulator – SIP3 – Plastic Case
Specification can change without a notice – We accept no liability for any inaccuracy or printing errors.
Page 1/2
Selection Guide
ax.)
in .)
A)
in m
in m
V
V
(%)
(
d (m
(%)
ad (
ad (
Loa
in .)
ax.)
nge
m A)
l Lo
l Lo
(V)
l
l
a
(
o
m
m
nt fu
nt fu
age
nt n
V in
V in
re n t
ge R
cy (
cy (
Volt
C ur
urre
urre
u rre
o lta
ien
tC
ie n
tV
tC
tC
pu t
put
In p u
In p u
In p u
Inpu
Out
O ut
Effic
E ffic
)
VDC
Order #
PSRW-783R3LF
PSRW-7805LF
PSRW-786R5LF
PSRW-787R2LF
PSRW-7809LF
PSRW-7812LF
PSRW-7815LF
9-72
9-72
9-72
14-72
14-72
17-72
20-72
3.0
3.0
3.0
3.0
3.0
3.0
3.0
230
327
406
289
358
384
404
32
45
56
61
76
97
119
3.3
5.0
6.5
7.2
9.0
12
15
500
500
500
500
500
500
500
82
87
91
91
92
94
95
75
80
83
84
86
89
91
If you need other specifications, please enquire.
Package / Pinning / Derating
11.68
(0.46)
10.15
(0.40)
7.50
(0.29)
4.00
(0.16)
5.08
(0.20)
1
2
3
PEAK
Modelcode
Datecode
1
2
3
0.25
(0.01)
Bottom View
2.54
(0.10)
0.50
(0.02)
Notes : All dimensions are typical in millimeters ( inches ).
1. Pin diameter: 0.5 ±0.05 ( 0.02±0.002 )
2. Pin pitch tolerance: ±0.35 ( ±0.014 )
3. Case Tolerance: ±0.5 ( ±0.02 )
Specification may change without notice. Pin length is typical.
PIN CONNECTIONS
#
Switching Reg.
1
+Vin
2
GND
3
+Vout
TEMPERATURE DERATING GRAPH
100%
75%
50%
25%
85
PSRW-78xxLF
OUTPUT POWER
1. If Vin>50V, in order to protect the
converter during power-up, an external
capacitor C1=3.3uF/100V is required.
-40 -20
0
20
40
60
80 100
AMBIENT TEMPERATURE (°C)
2. C2=100uF(Optional)
PSRW-Series – PSRW-78xxLF – Switching Regulator – SIP3 – Plastic Case
Specification can change without a notice – We accept no liability for any inaccuracy or printing errors.
Page 2/2
2.00
(0.08)
Microchip MCU
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
