10WATTVSI-MINIA VOLGEN [Volgen Kaga Electronics Inc.], 10WATTVSI-MINIA Datasheet
10WATTVSI-MINIA
Manufacturer Part Number
10WATTVSI-MINIA
Description
Output Voltage 1.8V-3.3V Ultra High Efficiency 92%
Manufacturer
VOLGEN [Volgen Kaga Electronics Inc.]
Datasheet
1.10WATTVSI-MINIA.pdf
(4 pages)
<Technical Notes>
(A) Standard Connection
(B) ON/OFF Control connection
(C) Output Voltage Adjustment Connection
Kaga Electronics/Volgen DC-DC CONVERTERS
Vs
Ry
Rx
Rz
Figure5
Figure6
Figure7
Figure8
V.ADJ
4
3
5
VR1
-Vout
TO-3PL Size, Step-Down Non-Isolated Type DC-DC Converter
Load
+Vout
Application Notes
Output Voltage 1.8V-3.3V Ultra High Efficiency 92%
VR1: Vout variable resistor(down)
Vs=0.8V
Ry=20k ohm
Rx=62.51k ohm
Note1: When 5pin V.ADJ is open, the output will be the rating value.
Note2: When using a trimmer potentiometer, be careful of the position of the
Note3: We recommend checking the output voltage value, using converter
Note4: When changing output voltage, add C3=100µF~220µF.
Choice of external capacitors
C1=100µF20WV
C2=2.2µF~4.7µF
Rating Output Voltage : 3.3V ±5%
ON/OFF can be controlled by opening or shortening 1pin and 3pin.
Transistor(open collector) is recommended for the open and short
control parts.
Output ON mode
Output OFF mode
It is possible to adjust output voltage by connecting a resistor
between 5pin (V.ADJ)and 4pin (+Vout).
The output voltage trim range is as in 3.0~5.0V.
The output voltage adjustable resistor can be calculated by the
following equation.
Output voltage adjustable equation
To adjust output voltage : C3=100µF~220µF
Vo: Desired Output Voltage
(Vout trim range: 1.8V-3.3V)
VSI-3.3V type calculated value
VR1=
C2: No need to add the output capacitor, because it is built in.
adjustable lug. We recommend you to confirm the resistor value
in advance, or to start the initial energizing after turning the lug in
the direction of low voltage. And for mass production we recommend
to use a fixed resistor.
after calculating the resistor value.
10 Watt VSI-mini A Series
In case that the wiring is long to the load, output noise may
be further reduced with the C2 added.
Rx × Vs -Ry (Vo-Vs)
Rx × Ry × (Vo-Vs)
Between 1pin and 3 pin : OPEN
Between 1pin and 3 pin : SHORT
Off state voltage 0~0.5Vdc (100µA max.)
www.volgen.com
Table 3
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10WATTVSI-MINIA Summary of contents
Page 1
Notes> (A) Standard Connection Figure5 (B) ON/OFF Control connection Figure6 (C) Output Voltage Adjustment Connection Figure7 V.ADJ Figure8 Kaga Electronics/Volgen DC-DC CONVERTERS Application Notes Output Voltage 1.8V-3.3V Ultra High Efficiency 92% TO-3PL ...
Page 2
TO-3PL Size, Step-Down Non-Isolated Type DC-DC Converter <Turn on transient> Test Condition Vin=7.5V Vout=3.3V Io=2A Ta=25°c Vout=0V Vin=0V <Output Ripple & Noise> Test Condition Vin=7.5V Vout=3.3V Io=2A Ta=25°c OSC=20MHz Kaga Electronics/Volgen DC-DC CONVERTERS Output Voltage 1.8V-3.3V Ultra High Efficiency 92% ...
Page 3
Data> Model: VSI-5.0S2R0MA Input Voltage Current Power Voltage (V) (A) (W) 4.750 0.0005 0.002 3.316 4.751 0.366 1.739 3.304 4.743 0.733 3.477 3.302 4.753 1.105 5.252 3.300 4.754 1.486 7.064 3.298 7.499 0.0005 0.004 3.315 7.501 0.239 1.793 3.304 ...
Page 4
Conditions> Solder to be executed under the following conditions. 1. Soldering iron 340°C - 360°C 2. Soldering dip 230°C - 260°C 3. Reflow method (only for SMD type) Reflow temperature profile Preliminary Heating 150°C 120-180 sec. Please storage this ...