NJW4185 Series

High Voltage Io=500mA Low Dropout Regulator

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Description

The NJW4185 is a high voltage and low current consumption low dropout regulator. It has two product type: A version (built-in ON/OFF function type) and B version (3-terminal / compatible with 78M series) NJW4185 is mounted to TO-252-3/-5 packages and corresponded to Low ESR capacitor (MLCC). The wide input range makes NJW4185 suitable for Automotive applications, Industrial supplies, Multiple cell battery equipment and various applications.

Spec

	Consumer	Automotive
Input Voltage Range	4 V to 40 V (45 V)
Operating Temperature Range	-40°C to 125°C
Supply Current	Typ. 55 µA	Max. 90µA
Standby Current	1 (max.) µA	1.5(max.) µA
Output Voltage Range	2.0V,3.3V,5.0V,8.0V,15.0V	5.0V,8.0V
Output Voltage Accuracy	Typ. ±1 %	Typ. ±2 %
Output Current	Io(min.)=500 mA
Ripple Rejection	Typ. 62 dB	Typ. 60 dB
Package	TO-252-5-L3 TO-252-3-L1	TO-252-5-L3
Ceramic Capacitor	Correspond to Low ESR capacitor (MLCC)
Note	Internal Thermal Overload Protection Internal Over Current Protection ON/OFF function (apply only the A ver.)	If you need datasheets of this product, please contact us.

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TSD	Reverse	Current Limit	ISC	Inrush	Constant Slope	ECO mode	Auto Discharge	External Driver

Functional Description

Quality &
Packages

Product Name	Package	Marking	Reliability
NJW4185DL3	TO-252-5-L3	-	NJW-1-s-fr
NJW4185DL1	TO-252-3-L1	-	NJW-1-s-fr
NJW4185DL3	TO-252-5-L3	-	NJW-1-s-fr

Refer to the datasheets for the details on the product.
The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

TSD	Thermal Shutdown Function
Reverse Current Protection	Reverse Current Protection
Current Limit	Overcurrent Protection
ISC	Short Current Protection
Inrush Current Limit	Inrush Current Protection
Constant Slope	Constant Slope Function
ECO mode	ECO Function
Auto Discharge	Auto Discharge Function
External Driver	External Output Driver Transistor