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New Japan Radio - Switching Regulator IC

Numéro de référence NJW4153
Description Switching Regulator IC
Fabricant New Japan Radio 
Logo New Japan Radio 





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NJW4153 fiche technique
NJW4153
Switching Regulator IC for Buck Converter
Current Mode Control w/ 40V/1A MOSFET
GENERAL DESCRIPTION
The NJW4153 is a buck converter with 40V/1A MOSFET. It
corresponds to high oscillating frequency, and Low ESR Output
Capacitor (MLCC) within wide input range from 4.6V to 40V.
Therefore, the NJW4153 can realize downsizing of applications
with a few external parts so that adopts current mode control.
Also, it has a soft start function, an over current protection and a
thermal shutdown circuit.
It is suitable for power supply circuit of Micro Processor, DSP
and so on that need fast transient response.
FEATURES
Current mode Control
Maximum Rating Input Voltage 45V
Wide Operating Voltage Range 4.6V to 40V
Switching Current
1.4A min.
PWM Control
Built-in Compensation Circuit
Correspond to Ceramic Capacitor (MLCC)
Oscillating Frequency
1MHz typ. (A ver.)
Soft Start Function
4ms typ.
UVLO (Under Voltage Lockout)
Over Current Protection (Hiccup type)
Thermal Shutdown Protection
Standby Function
Package Outline
NJW4153U2 : SOT-89-5
NJW4153KV1 : ESON8-V1
PACKAGE OUTLINE
NJW4153U2
NJW4153KV1
PRODUCT CLASSIFICATION
Part Number
Version
NJW4153U2-A
NJW4153KV1-A
A
A
Oscillation
Frequency
1MHz typ.
1MHz typ.
Package
SOT-89-5
ESON8-V1
Operating
Temperature
Range
General Spec.
-40°C to +85°C
General Spec.
-40°C to +85°C
Ver.2013-03-21
-1-

PagesPages 22
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