Microchip SR10DB1 Manual

Microchip Ikke kategoriseret SR10DB1

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Side 1/4
Supertex inc.
Supertex inc.
www.supertex.com
SR10DB1
Doc.# DSDB-SR10DB1
A040113
- DC Output +
24V
12V
6V
ADJ
HIGH EVOLTAG
Supertex SR10DB1
COUT
AC Input
90-275VRMS
50/60Hz
H
N
+
–
Load
R
FB1
and R
FB2
optional for output voltages other
than 6, 12, or 24V. Adjustment range is 6 - 28V.
Pre-configured for 9V. Pads for 0603 and 0805.
DC Output:
6, 12, 24V or
adjustable 6 - 28V.
Jumper-selectable full-wave
or half-wave rectification.
Both jumpers must be in the
same position, left or right.
Jumper-selectable output voltage.
Jumper must be present. When in
the ADJ position, RFB1 and RFB2
must be present.
Output minus is
connected to AC line
neutral when configured
for half-wave rectification.
RFB1
RFB2
D2
D1
D4
D3
RBL
RLIM
CS
DOUT
C
FB
One lead must always
be in this position
Socketed components.
Accomodates various capacitor sizes
IC1
H Input N AC
Rect
Half
Full
VOUT
Board Layout and Connection Diagram
Inductorless Switching
Power Supply Demoboard
Specications
Parameter Value
AC Input 90VAC to 275VAC
50Hz to 60Hz
Output voltage 6V, 12V, 24V ±10%
or 6-28V using divider
Output current1up to 50mA
No-load input power 1as low as 20mW
Efciency1up to 75%
Actual board size 88mm x 28mm
Introduction:
The Supertex SR10 is an inductorless switching power sup-
ply controller intended for operation directly from a rectied
120/240VAC line. Due to the capacitor-coupled, switched
shunt topology (CCSS), it exhibits low standby power and
good efciency while employing no magnetics nor high volt-
age electrolytic capacitors.
To meet a wide variety of applications, the SR10DB1 is
highly congurable. Many components are socketed. Half or
full-wave rectication is jumper-selectable. Output voltage is
jumper-selectable to 3 xed voltages or may be set anywhere
in the range of 6 - 28V using an on-board feedback divider.
AC Input (H and N)
Connect to the AC line. The ‘H’ terminal should be connected
to the AC line hot conductor. The ‘N’ terminal should be con-
nected to the AC line neutral conductor. When congured for
half-wave rectication, the N terminal is connected to the DC
output minus (–) terminal.
DC Output (+ and –)
Connect the load to these terminals. Do not connect earth-
grounded loads or test equipment without using an isolation
transformer on the AC line.
Output voltage is jumper-selectable at 6, 12, or 24V, or it
may be set in the range of 6 - 28V using the R FB feedback
divider and setting the jumper to ADJ.
Notes:
1. Dependent upon conguration and degree of transient protection.

Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: SR10DB1

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