PD5019 Datasheet, PDF (11/14 Pages) List of Unclassifed Manufacturers – Telephone Ring Generator Controller

PD5019
TELEPHONE RING GENERATOR CONTROLLER
O1
Vcc
R4
1K
V(+)
D1
T1
Output Ringing
Signal
+
C. 1
US1G
C2
1
8
MMBTA 92
Q1
MMBTA 92
2
7
Q2
D2
BAS21
U2A
R3
R2
O2
14.5K 1W
MOCD217
C3
D4
U2B
3
4
6
Q3
MMBTA42
Q4
5
MMBTA42
D3
BAS21
US1G
R5
R21
1K
BUK 582-100A
Q5
100R
V(-)
5V
Inhibit
F1
F0
Vcc
C6
0.01uF
C7
C8
R6
1M
XT1
C4
10pF
C5
10pF
U1 PD5019
1
INHIBIT
2 _FS
3 _F1
4
F0
5 _OHD
6
XTAL2
7 _XTAL1
8 _GND
16
Vcc
PWM Out ¹⁵
WDO ¹⁴
13
CL
CAD_ IN ¹²
11
PAD_Out
BRC ¹⁰
SYNC ⁹
PD5019
Typical Application – 2 REN Sine Wave Ring Generator
US Patent No.
5,828,558