Aeroflex 3500A - Page 15

Figure 1-2. Power Supply PCB Assy
Block Diagram
Subject to Export Control, see Cover Page for details. 1-5
EXT DC IN
11 TO 32 Vdc
FUSE
CROWBAR
CHARGE
FULL CHARGE
PWR_ON_OFF
INPUT, OUTPUT
AND CHARGE
SUPERVISOR
PWM
BATTERY CHARGER
CHARGE
CONT
SOURCE
SELECT
PWM
CONT
INPUT
CONVERTER
10 Vdc
5 V CONVERTER
1 A TYPICAL
3.3 V CONVERTER
1 A TYPICAL
16 V CONVERTER
25 mA TYPICAL
-5 V CONVERTER
100 mA TYPICAL
+5.5 V CONVERTER
200 mA TYPICAL
PWM
CONT
-5 V
+16 Vdc
+3.3 V
+5 V
PWM
CONT
PWM
CONT
+5 V