
3
Pinouts
ISL5585 (PLCC)
TOP VIEW
ISL5585 QFN
TOP VIEW
Device Operating Modes
MODE
F2
F1
F0
E0 = 1 E0 = 0
ISL5585A
ISL5585B
ISL5585C
ISL5585D
ISL5585E
ISL5585F
ISL5585G
Low Power Standby
0
SHD
GKD
Forward Active
0
1
SHD
GKD
Unbalanced Ringing
0
1
0
RTD
Reverse Active
0
1
SHD
GKD
Ringing
1
0
RTD
Forward Loop Back
1
0
1
SHD
GKD
Tip Open
1
0
SHD
GKD
Power Denial
1
n/a
RING
ILI
M
RT
CDC
AUX
VRS
PO
L
TL
BSE
L
SH
-IN
VFB
VCC
VTX
BGND
TIP
SW-
E0
DET
ALM
AG
N
D
SW+
V
BL
V
BH
SWC
F2
F1
F0
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
19
20
21
22
23
24
25
26
27
28
V
BH
V
BL
BGN
D
TIP
NC
RING
SC
C
SH
DET
ALM
AG
N
D
BSEL
TL
POL
VRS
NC
SW+
SW-
SWC
F2
F1
F0
E0
NC
ILIM
RT
CDC
VCC
-IN
VFB
VTX
AUX
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
910
11
12
13
14
15
16
Pin Description
PLCC
QFN
SYMBOL
DESCRIPTION
1
29
TIP
TIP power amplifier output.
2
30
BGND
Battery Ground - To be connected to zero potential. All loop current and longitudinal current flow from this ground.
Internally separate from AGND. This ground must be connected to the same potential as AGND.
3
31
VBL
Low battery supply connection.
4
32
VBH
High battery supply connection for the most negative battery.
5
1
SW+
Uncommitted switch positive terminal.
6
2
SW-
Uncommitted switch negative terminal.
7
3
SWC
Switch control input. This TTL compatible input controls the uncommitted switch, with a logic “0” enabling the switch
and logic “1” disabling the switch.
8
4
F2
Mode Control Input - MSB. F2-F0 for the TTL compatible parallel control interface for controlling the various modes of
operation of the device.
9
5
F1
Mode control input.
ISL5585