Le79555
CONNECTION DIAGRAMS
RINGOUT
B(RING)
VCC
VREG
BGND
A(TIP)
N/C
N/C
N/C
N/C
DB
Data Sheet
44
RYOUT1
RYOUT2
L
VBAT
CHS
QBAT
CHCLK
N/C
D2
D1
C1
1
2
3
4
5
6
7
8
9
10
11
12
43
42
41
40
39
38
37
36
35 34
33
32
31
30
29
DA
N/C
RD
N/C
HPB
N/C
HPA
N/C
VTX
N/C
RSVD
44-Pin TQFP
28
27
26
25
24
23
13
14
15
16
17
18
19
20
21 22
C3
C2
N/C
N/C
CAS
VDC
N/C
RDC
RINGOUT
RYOUT1
B (RING)
VREG
VCC
BGND
A (TIP)
26
AGND/
DGND
RYOUT2
L
VBAT
CHS
QBAT
CHCLK
D2
D1
32
1
2
3
4
31
30
29
28
27
DB
25
24
23
22
21
RSN
DET
DA
N/C
RD
HPB
HPA
VTX
RSVD
RSN
32-Pin QFN
5
6
7
8
9
10
11
Exposed Pad
20
19
18
17
16
12
13
14
15
C1
C3
C2
Note:
1.
2.
3.
4.
Pin 1 is marked for orientation.
N/C = No Connect
RSVD = Reserved
QFN package only - there is VBAT potential on the exposed pad. Do not connect to GND pin.
5
Zarlink Semiconductor Inc.
RDC
ANGD/
DGND
VDC
DET
CAS
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
