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PDF NJW4830 Data sheet ( Hoja de datos )
| Número de pieza | NJW4830 | |
| Descripción | Single High Side Switch | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJW4830
Single High Side Switch
GENERAL DESCRIPTION
The NJW4830 is the single high-side switch that can supply
0.5A.
The active clamp circuit, overcurrent and thermal shutdown are
built-in with Pch MOS FET.
It can be controlled by a logic signal (3V/5V) directly. Therefore, it
is suitable for Car accessory, Industrial Equipments and other
applications.
PACKAGE OUTLINE
NJW4830U2
FEATURES
Drain-Source Voltage
45V
Drain Current
0.5A
Corresponding with Logic Voltage Operation: 3V/5V
Low On-Resistance
0.35Ω (typ.)
Low Consumption Current
110µA (typ.)
Active Clamp Circuit
Over Current Protection
Thermal Shutdown
Package Outline
SOT89-5
PIN CONFIGURATION
524
1. IN
2. GND
3. FLT
4. VDD
5. OUT
123
BLOCK DIAGRAM
VDD
FLT
VDD
IN
FLT
DELAY
Level Shift
Over
Current
Protection
Thermal
Shut Down
Active
Clamp
GND
OUT
Ver.2014-01-08
-1-
1 page  
Input signal
High
Low
Over Current
Protection
ON
OFF
Thermal Protection
ON
OFF
Output voltage
VDD
0V
Output current
ILIMIT1
ILIMIT2
0A
Fault signal
High
Low
tDFLT
Normal
Current limit1
Current limit2
Thermal
shutdown
NJW4830
VDSS_CL
Inductive
load
Active clamp
Ver.2014-01-08
-5-
5 Page 
ApplicaNtiJoWn T48ip3s0
Technical Information
Application Hint
The simplest protection example is to add an external flywheel diode at the load to protect IC from an inductive
kickback. (Fig.2)
Flywheeling Diode
ID
VIN DRAIN
SOURC E
V DS
VDD
VIN
GND
VDD
OUT
V DS
ID
VDD
Flywheeling Diode
Fig 2. Application Circuit of Inductance Load Driving (Left: Low-side Switch / Light High-side Switch)
Ver.2014-01-08
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including the
industrial rights.
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJW4830.PDF ] | |
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