Power supply, M series service manual – ZOLL M Series Defibrillator Rev R User Manual
Page 130
M Series Service Manual
120
Power Supply
The power supply converts DC power from a removable battery or the AC/DC Battery Charger module to voltages
required by the M Series hardware.
The power supply circuit converts the raw battery or the Charger PWBA output voltages of +8.5 VDC to +16 VDC
into the voltages shown in the table below, including load and line regulation.
VOLTAGE
DESCRIPTION
VOLTAGE VDC
(Nominal)
COMMENTS
FUSE_PWR
Fused Input Power from
Battery/Charger
12
SW_PWR
Switched Input Power
after Power Switch
12
3VDD
+ 3.3 VDC Power for
Digital circuits
3.3
Switching @ 300 kHz
5VDD
+ 5.0 VDC Power for
Digital circuits
5.0
Switching @ 300 kHz
-5VSS
- 5.0 VDC Power for
Analog circuits
-5.0
Linear
12VEE
+ 12.0 VDC Power for
Analog circuits
12.0
Linear
15VDD
+ 15.0 VDC Power for
VPP and 12VEE
15.0
Switching @ 300 kHz
LCD_BS
LCD BIAS Power for
LCD display
- 18
Switching @ 100 kHz
3_3REF
+ 3.3 VDC Reference
3.3
Linear
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