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參數資料
| 型號： | LE79555-4VC |
| 英文描述： | Telecommunication IC |
| 中文描述： | 通信集成電路 |
| 文件頁數： | 9/16頁 |
| 文件大小： | 411K |
| 代理商： | LE79555-4VC |
SLIC Products
9
ELECTRICAL CHARACTERISTICS (continued)
RELAY DRIVER SCHEMATICS
BATTERY SWITCH SCHEMATICS
Description
Test Conditions (See Note 1)
Min
Typ
Max
Unit
Note
Switching Regulator Inputs
CHCLK, Low
I
sink
< 50
μ
A, f = 200 kHz to 300 kHz,
50% duty cycle, square wave.
I
source
< 1
μ
A,
I
sink
< 50
μ
A
I
source
< 1
μ
A
0.40
V
CHCLK, High
BATSW, Low
BATSW, High
Ring-Trip Detector Input (DA, DB)
Bias current
Offset voltage
Loop Detector
On threshold
Off threshold
Hysteresis
2.5
V
V
V
0.40
2.5
–
500
–
50
–
50
0
nA
mV
Source resistance = 2 M
+50
6
R
D
= 35.4 k
R
D
= 35.4 k
R
D
= 35.4 k
R
L
from BX to GND
Active, Standby, and Tip open
9.4
8.8
11.7
10.4
1.3
9
14.0
12.0
mA
IGK, Ground-key detector threshold
5
13
mA
Relay Driver Output (RINGOUT, RYOUT1, RYOUT2)
On voltage
Off leakage
Zener breakover
Zener On voltage
I
OL
= 40 mA
V
OH
= +5 V
I
Z
= 100 μA
I
Z
= 30 mA
+0.3
+0.7
100
V
μA
6
7.2
8
V
RINGOUT
BGND
RYOUT1, RYOUT2
BGND
VREG
BATSW
BATZ
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