參數(shù)資料
型號(hào): HV421LG
廠商: SUPERTEX INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: High Voltage 1 REN Ring Generator
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO8
封裝: SO-8
文件頁數(shù): 2/5頁
文件大?。?/td> 56K
代理商: HV421LG
11-2
Symbol
Parameter
Min
Typ
Max
Units
Conditions
R
DS(ON)
I
DDQ
I
DD
I
IN
V
PP
F
RING
D
RING
fsw
On-resistance of switching transistor
3.5
5
I=100mA
Quiescent V
DD
supply current
Input current going into the V
DD
pin
Input current including inductor current
50
nA
R
SW
=Low
V
IN
=5.0V. See Figure 1.
V
IN
=5.0V. See Figure 1.
V
IN
=5.0V. See Figure 1.
V
IN
=5.0V. See Figure 1.
300
μ
A
170
220
mA
Output voltage on V
PP
Ring frequency
65
68
V
20
25
30
Hz
Ringing frequency duty cycle
50
%
Switching transistor frequency
35
KHz
V
IN
=5.0V. See Figure 1.
Dsw
Switching transistor duty cycle
88
%
Electrical Characteristics
DC Characteristics
(V
DD
=5.0V, R
RING
=30M
, R
SW
=1.3M
, L
X
=330
μ
H, T
A
=25
°
C)
Symbol
Parameter
Min
Typ
Max
Units
Conditions
V
DD
T
A
Supply voltage
4.75
9.5
V
Operating temperature
0
85
°
C
Recommended Operating Conditions
Symbol
Parameter
Min
Typ
Max
Units
Conditions
EN-L
Logic input low voltage
0
0.5
V
EN-H
Logic input high voltage
V
DD
-0.5
V
DD
V
Enable/Disable Table
HV421
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