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PSR SERIES
PSR1-78xxLF
WIDE INPUT REGULATED SINGLE OUTPUT SIP3 – 1000mA
Wide Input Range
Efficiency up to 93%
Available Outputs:
3.3, 5, 6.5, 9, 12 VDC
Other specifications please enquire.
Electrical Specifications
(Typical at + 25° C, nominal input voltage, rated output current unless otherwise specified)
Output Specifications
Voltage accuracy (at 100% load)
Line voltage regulation (Vin=min. to max. at full load)
Load voltage regulation (10% - 100%)
Ripple and noise (at 20 MHz BW)
Short circuit input power
Short circuit protection
Output current limit
Switching frequency
Dynamic load stability 100% <-> 10% load
Quiescent current (Vin=min. to max. at 0% load)
Thermal shutdown (Internal IC junction)
Temperature coefficient (-40° – 85° ambient)
C
C
Common Specifications
Operating temperature (ambient)
Storage temperature
Cooling
MTBF (MIL-HDBK-217F)
Physical Characteristics
Case material
“RoHS compliant”
+/- 2 %, typ. / +/- 3%, max.
+/- 0,2%, typ. / +/- 0.4%, max.
+/- 0.4%, typ. / 0.6%, max.
20 mV p-p, typ. / 35 mV p-p, max.
0.5W, typ. / 1.2W, max.
Continuous, automatic recovery
2000mA, max.
280KHz, min. / 330 KHz, typ. / 450 KHz, max.
+/- 100mV
5mA, typ. / 7mA, max.
150° typ.
C,
0.02% ° max.
C,
- 40° C to + 85° C / 100° case max.
C
- 55 ° to + 125 °
C
C
Free air convection
2000 KHrs, min.
Plastic (UL94-V0)
Soldering 260° / max. 10 sec.
C
Examples for Partnumbers
PART
NO.
INPUT
VOLTAGE
(VDC)
OUTPUT
VOLTAGE
(VDC)
OUTPUT
CURRENT
(max. mA)
EFFICIENCY
Min Vin
(%)
EFFICIENCY
Max Vin
(%)
PSR1-783R3LF
PSR1-7805LF
PSR1-786R5LF
PSR1-7809LF
PSR1-7812LF
4.75 – 28
6.5 – 32
9.0 - 32
12 - 32
16 – 32
3.3
5
6.5
9
12
1000
1000
1000
1000
1000
90
93
94
95
96
83
88
90
92
94
PSR SERIES
PSR1-78xxLF
WIDE INPUT REGULATED SINGLE OUTPUT SIP3 – 1000mA
Dimensions
5.08
(0.20)
Bottom View
0.30
(0.01)
1
2
3
All dimensions are typical in millimeters (inches).
Tolerance x.xx = +/- 0.30 (+/- 0.01)
Specification may change without notice.
Pin length is typical.
2.15
(0.09)
11.50
(0.45)
8.90
(0.35)
PEAK
17.50
(0.69)
Datecode
1
2
3
0.50
(0.02)
3.21
(0.13)
Derating Graph and Pinning
4.00
(0.16)
Modelcode
Pin
#
1
2
3
Connection
Single
+ V Input
GND
+ V Output
stm32/stm8
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