參數(shù)資料
型號: LV5050NV
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 0.225 INCH, SSOP-20
文件頁數(shù): 4/6頁
文件大小: 93K
代理商: LV5050NV
LV8012T
No.7190-4/6
Block Diagram
CH2
CL2
CH1
CL1
OSC,CHARGE_PUMP
VCC
EN1
EN2
CMOS
LOGIC
LEVEL
SHIFT
VG
VM
OUT1
OUT2
PGND
SGND
16
17
14
15
13
1
24
23
22
21
20
19
IN1
IN2
IN3
IN4
EXTRA
H
BRIDGE1
VM
OUT3
OUT4
PGND
H
BRIDGE2
12
11
8
7
9
2
6
5
4
18
Low-voltage
thermal
protection
Truth table
EXTRA
EN1
(EN2)
IN1
(IN3)
IN2
(IN4)
OUT1
(OUT3)
OUT2
(OUT4)
Circuit of
Charge Pump
Mode
H
Z
Standby
H
L
H
Reverse
L
H
L
Forward
H
L
ON
Brake
L
-
L
OFF
Standby
H
-
L
H
Reverse
H
L
-
H
L
Forward
H
L
-
L
ON
Brake
- : Don’t care Z : High-Impedance
* Current drain becomes zero in the standby mode.
* The output side becomes OFF, with motor drive stopped, during voltage reduction and thermal protection.
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