le75181 Zarlink Semiconductor, le75181 Datasheet - Page 12

• Manufacturer Part Number: le75181
• Description: Ringing Access Switch
• Manufacturer: Zarlink Semiconductor

TYPICAL PERFORMANCE CHARACTERISTICS
V
V
V
BAT
BAT
BAT
2/3 R
–V
– 2
– 4
– 3
ON
CURRENT
LIMITING
Figure 2. Protection Circuit A/C Version
Figure 3. Protection Circuit B Version
dc CURRENT-LIMIT
V
dc CURRENT-LIMIT
V
BREAK SWITCHES
BREAK SWITCHES
BAT
BAT
Figure 4. Switches 1 and 3
R
ON
Zarlink Semiconductor Inc.
–1.5 V
I
LIMIT
V
12
ON
+I
I
–I
LIMIT
50 mA
<1 µA
<1 µA
I
dc CURRENT LIMIT
(OF BREAK SWITCHES)
dc CURRENT LIMIT
(OF BREAK SWITCHES)
H
1.5 V
R
ON
3 V
3 V
CURRENT
LIMITING
2/3 R
+V
ON