DC FEED CHARACTERISTICS
(See note 1)
50
5) VAPPH
OHT State Anti-Sat
4) VASH
40
VAB
(Volts)
30
20
1) Constant-Current Region
2) VASL
3) VAPPL
Active State Anti-Sat
10
0
30
IL (mA)
Figure 2. Typical VAB vs. IL DC Feed Characteristics
Note:
2500
1. Constant-current region:
VAB = ILRL = ------------- R L; where RL= RL + 2RF
RDC
2. Active state
Anti-sat region:
61.44(125 • 103 + RSGL
308 • 103 + 4.92 RSGL
)
where R
where R
= open is default setting
SGL
------------------------------------------------------------------
;
VASL
=
= resistor to GND. VASL increase.
SGL
VAPPL = 4.17 + VASL
VAPPL
ILOOPL = -----------------------------------------------------------------------------------
(RDC1 + RDC2
)
---------------------------------------- + 2 R F + RLOOP
600
3. OHT state
Anti-sat region:
VASH = VASHH + VASL
61.44 • (101 • 103 + RSGH
)
where R
= resistor to GND,
SGH
------------------------------------------------------------------------
;
VASH
=
223 • 103 + 4 RSGH
R
= 0 is default setting.
SGH
where R
= open, V
decrease.
SGH
ASH
VAPPH = 4.17 + VASH
VAPPH
ILOOPH = ----------------------------------------------------------------------------------
(RDC1 + RDC2
)
---------------------------------------- + 2RF + RLOOP
600
Le79R101 Data Sheet
13
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