Power Supply - ZOLL M Series Service Manual

Data transmission to and control over the System Interconnect PCB functions, including the stripchart recorder and the PCMCIA slot
14.
functions.

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
FUSE_PWR Fused Input Power from
Battery/Charger
SW_PWR Switched Input Power
after Power Switch
3VDD + 3.3 VDC Power for
Digital circuits
5VDD + 5.0 VDC Power for
Digital circuits
-5VSS - 5.0 VDC Power for
Analog circuits
12VEE + 12.0 VDC Power for
Analog circuits
15VDD + 15.0 VDC Power for
VPP and 12VEE
LCD_BS LCD BIAS Power for
LCD display
9650-0450-01 Rev. U
VOLTAGE VDC COMMENTS
(Nominal)
12
12
3.3 Switching @ 300 kHz
5.0 Switching @ 300 kHz
-5.0 Linear
12.0 Linear
15.0 Switching @ 300 kHz
- 18 Switching @ 100 kHz
M Series Service Manual
4-5