參數(shù)資料
型號: PBL38773/1ML
廠商: INFINEON TECHNOLOGIES AG
元件分類: 模擬傳輸電路
英文描述: TELECOM-SLIC, PQCC32
封裝: PLASTIC, VQFN-32
文件頁數(shù): 36/64頁
文件大小: 1052K
代理商: PBL38773/1ML
Ringing FlexiSLIC
PBL 38773/1
Battery Feed and Automatic Battery Switching
Data Sheet
41
DS1, 2003-06-18
Figure 12
Battery Feed Characteristics
A
I
L(@VTR =0) = ILConst = ILProg
B, C
I
L = ILConst, VTR(@C) = VApp - RFEED × ILProg
D
R
FEED = 2 × 25
E
I
L
5.5 mA,
V
TR = VApp - RFEED × 5.5 mA
F
V
App(@IL = 0) = VTB - VF
1) - 3.7 V
1)
V
F is the forward voltage drop across diode DTB.
G
I
L
5 mA
H
R
FEED = 2 × 25
J
The On-hook voltage tracks the
V
BAT voltage up to: |54.5| V,
V
TROpen = |VBAT| - 4.5 V, for VBAT > |54.5| V, VTROpen = 50 V
A
I L
[m
A]
B
C
D
E
G
H
J
F
V
TR [V]
batfeed
R
LC
500
I
LProg
--------------
10.4
32
I
LProg
×
()
ln
×
I
LProg
---------------------------------------------------------
=
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