V22B Mide Technology Corporation, V22B Datasheet - Page 24

• Manufacturer Part Number: V22B
• Description: PIEZOELECTRIC ENERGY HARVESTER
• Manufacturer: Mide Technology Corporation
• Series: Volture™r

Specifications of V22B

• Sensor Type: Acceleration
• Sensing Range: 120Hz ~ 360Hz
• Output Type: Analog
• Operating Temperature: -40°C ~ 90°C
• Features: Piezoelectric Vibration Energy Harvesting, Hermetically Sealed
• Package / Case: Cantilever Piezo Film (Wafer)
• Mounting Type: Through Hole
• Termination: PC Pins
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption

APPLICATIONS INFORMATION -
Inductor
The buck converter is optimized to work with an
inductor in the range of 10uH to 100uH. 10uH is
adequate for space-limited applications, but 100uH
may provide greater efficiency, particularly as the ratio
between input and output voltage increases (see
LTC3588 datasheet). Choose an inductor with a DC
current rating greater than 350mA. Lower DCR
inductors can impact the efficiency of the buck
converter.
10uF
25V
1uF
6V
4.7uF
6V
REVISION N0. 001
PZ1
V
CAP
V
D1
D0
IN
IN2
LTC3588-1
GND
POWER MANAGEMENT IC INTEGRATION
PGOOD
V
PZ2
SW
OUT
REVISION DATE: 06-03-2010
V
A 1uF capacitor should be connected between V
CAP and a 4.7uF capacitor should be connected
between V
internal rails during buck switching and compensate
the internal rail generation circuits. In applications
where the input source is limited, to less than 6V, the
CAP pin can be tied to GND and the V
to V
used to clamp VIN.
100uH
IN2
IN
and CAP Capacitors
. In this scenario, a 5.6V Zener diode can be
3.3V
47uF
6V
IN2
EN
CORE
MICROPROCESSOR
and GND. These capacitors hold up the
GND
T
X
IN2
pin can be tied
IN
and
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