DC FEED CHARACTERISTICS
5
3
2
4
VBAT = –50 V
VBAT = –47.3 V
2
1
Active state
OHT state
RDC = 62.5 kΩ
Notes:
1. Constant-current region:
2500
-----------
Active state:
IL
=
=
RDC
2500
1
2
-- -----------
OHT state:
IL
•
RDC
2. Anti-sat turn-on (Active state):
Anti-sat –1:
VAB = 29.95 V
Anti-sat –2:
VAB = 1.082 VBAT – 15.149
3. Open Circuit voltage (Active state):
VAB = 0.9 VBAT – 4.995,
VBAT < 56.9 V
VBAT ≥ 56.9 V
VAB = 46.25 V,
RDC
------------
150.6
4. Anti-sat –1 region:
5. Anti-sat –2 region:
VAB = 46.25 – IL
RDC
-----------
VAB = 0.9 VBAT – 4.995 – IL
1128
a. VA–VB (VAB) Voltage vs. Loop Current (Typical)
14
Am7953X Data Sheet
AMD [ AMD ]
