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PDF LB1843V Data sheet ( Hoja de datos )
| Número de pieza | LB1843V | |
| Descripción | bidirectional motor driver | |
| Fabricantes | ON Semiconductor | |
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Ordering number : EN4385D
LB1843V
Monolithic Linear IC
Low-saturation, current-controlled
bidirectional motor driver
Overview
The LB1843V is a low-saturation bidirectional motor driver with
output current limitation and detection functions. This design is
ideal for controlling the loading motor in a video camera.
http://onsemi.com
Function
• Output current limiter and detector built in.
• Low-saturation voltage bidirectional bridge circuit built in:
VOsat = 0.40 V typ. at 400 mA.
• Practically no current drain (0.1 μA or less) in standby mode.
• Input-linked reference voltage built in .
• Thermal shutdown circuit built in.
• Requires little space, since few external components are needed
and the IC is contained in a small SSOP-20 package
SSOP20 (225mil)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Maximum output current
VCC max
Im max
10.5
800
V
mA
Applied Input voltage
Allowable power dissipation
VIN
Pd max
With board (50x35x1.6mm)
-0.3 to +10
800
V
mW
Operating temperature
Topr
-20 to +80
°C
Storage temperature
Tstg
-40 to +150
°C
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
Recommended Operating Conditions at Ta = 25°C
Parameter
Supply voltage
VM voltage
High-level input voltage
Low-level input voltage
LIR input voltage
Output current limitation
Symbol
VCC
VM
VIH
VIL
VLIR
I limit
Conditions
min
3.0
2.2
3.0
-0.3
0.5
50
Ratings
typ
max
9.0
VCC
9.0
+0.7
VCC-1.0
350
Unit
V
V
V
V
V
mA
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended
Operating Ranges limits may affect device reliability.
ORDERING INFORMATION
See detailed ordering and shipping information on page 10 of this data sheet.
Semiconductor Components Industries, LLC, 2014
February, 2014
22814NK B8-7154 / O3096HA(II) No.4385-1/10
1 page  
LB1843V
Pin Functions
Pin No.
Pin name
13 IN1
14 IN2
Pin Function
Control signal input pin
Control signal input pin
Equivalent Circuit
VCC
15 DEL
Control signal input pin
50K
80K
4K
S-GND
4,5
2,3
18,19
VM
OUT1
OUT2
Output current detect pin
Out pin
Out pin
Continued on next page.
No.4385-5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LB1843V.PDF ] | |
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