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NJM2845DL1-23-TE1

NJM2845DL1-23-TE1

NJM2845DL1-23-TE1

For Reference Only

Part Number NJM2845DL1-23-TE1
Manufacturer NJR Corporation/NJRC
Description IC REG LINEAR 2.3V 800MA TO252-3
Datasheet NJM2845DL1-23-TE1 Datasheet
Package TO-252-3, DPak (2 Leads + Tab), SC-63
In Stock 3846 piece(s)
Unit Price $ 0.3045 *
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NJM2845DL1-23-TE1

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NJM2845DL1-23-TE1 Specifications

ManufacturerNJR Corporation/NJRC
CategoryIntegrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Datasheet NJM2845DL1-23-TE1 Datasheet
PackageTO-252-3, DPak (2 Leads + Tab), SC-63
Series-
Output ConfigurationPositive
Output TypeFixed
Number of Regulators1
Voltage - Input (Max)14V
Voltage - Output (Min/Fixed)2.3V
Voltage Dropout (Max)0.28V @ 500mA
Current - Output800mA
Current - Supply600µA
PSRR75dB (1kHz)
Protection FeaturesOver Temperature, Short Circuit
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / CaseTO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device PackageTO-252-3

NJM2845DL1-23-TE1 Datasheet

Page 1

Page 2

NJM2845/46 - 1 -Ver.2008-02-06 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2845/46 is low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2845 is 3 terminal type and NJM2846 is ON/OFF control built in type. These product can be selected according to the applications. FEATURES High Ripple Rejection 75dB typ. (f=1kHz,3V Version) Output Noise Voltage Vno=45µVrms typ. (Vo=3V Version) Output capacitor with 2.2µF ceramic capacitor (Vo≥2.6V) Output Current Io(max.)=800mA High Precision Output Vo ±1.0% Low Dropout Voltage 0.18V typ. (Io=500mA) ON/OFF Control (NJM2846) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline TO-252-3 (NJM2845DL1), TO-252-5 (NJM2846DL3) PIN CONFIGURATION NJM2845DL1 NJM2846DL3 EQUIVALENT CIRCUIT VOUT Thermal Protection Bandgap Reference VIN GND VOUT Thermal Protection Bandgap Reference VIN Control GND 1.VIN 2.GND 3.VOUT 31 2 1.CONTROL 2.VIN 3.GND 4.Vo 5.NC NJM2845DL1 NJM2846DL3 NJM2845DL1 NJM2846DL3 1 2 3 4 5 3

Page 3

NJM2845/46 - 2 - Ver.2008-02-06 OUTPUT VOLTAGE Device Name VOUT NJM284*DL*-15 1.5V NJM284*DL*-18 1.8V NJM284*DL-*02 2.0V NJM284*DL*-22 2.2V NJM284*DL*-23 2.3V NJM284*DL*-25 2.5V NJM284*DL*-03 3.0V NJM284*DL*-33 3.3V NJM284*DL*-04 4.0V NJM284*DL*-05 5.0V Output voltage options available : 1.5 ~ 5.0V (0.1V step) ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN +14 V Control Voltage VCONT +14(*1) V Power Dissipation PD 10(Tc≤25°C) 1.0(Ta≤25°C) W Operating Temperature Topr -40 ∼ +85 °C Storage Temperature Tstg -40 ∼ +150 °C (*1): When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. Operating voltage VIN=+2.5V(In case of Vo<2.3V) ~ +(Vo+9V) NJM2845 ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.33µF ,Co=2.2µF(1.7V

Page 4

NJM2845/46 - 3 -Ver.2008-02-06 POWER DISSIPATION vs. AMBIENT TEMPERATURE TEST CIRCUIT NJM2845 VIN VIN VOUT GND 0.33µF IIN IOUT VOUV A (ceramic) 2.2µF *3 *3 1.7V

Page 5

NJM2845/46 - 4 - Ver.2008-02-06 NJM2846 ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.33µF, Co=2.2µF(1.7V

Page 6

NJM2845/46 - 5 -Ver.2008-02-06 TEST CIRCUIT NJM2846 VIN VIN VOUT CONTROL GND 0.33µF IIN ICONT VCONT IOUT VOU V V A A (ceramic) 2.2µF *6 *6 1.7V

Page 7

NJM2845/46 - 6 - Ver.2008-02-06 TYPICAL APPLICATIONS 1 In the case where ON/OFF Control is not required: NJM2846 VIN VOUT CONTROL GND 0.33µF VOUT VIN R (0~300kΩ) 2.2µF *7 *7 1.7V

Page 8

NJM2845/46 - 7 -Ver.2008-02-06 Input Capacitance CIN Input capacitance CIN is required to prevent oscillation and reduce power supply ripple for applications with high power supply impedance or a long power supply line. Use the CIN value of 0.33µF greater to avoid the problem. CIN should connect between GND and VIN as short as possible. Output Capacitance CO Output capacitor (Co) is required for a phase compensation of the internal error amplifier. The capacitance and the equivalent series resistance (ESR) influences stability of the regulator. This product is designed to work with a low ESR capacitor for the Co; however, use of recommended capacitance or greater value is essential for stable operation. Use of a smaller Co may cause excess output noise or oscillation of the regulator due to lack of the phase compensation. Therefore, use Co with the recommended capacitance or greater value and connect between Vo terminal and GND terminal with minimal wiring. The recommended capacitance depends on the output voltage. Low voltage regulator requires greater value of the Co. Thus, check the recommended capacitance for each output voltage. Use of a greater Co reduces output noise and ripple output, and also improves transient response of the output voltage against rapid load change.

Page 9

NJM2845/46 - 8 - Ver.2008-02-06 TYPICAL CHARACTERISTICS (NJM2845) 2.7 2.8 2.9 3 3.1 3.2 3.3 2.7 2.8 2.9 3 3.1 3.2 3.3 O u tp u t V o lt ag e : V o (V ) Input Voltage : VIN(V) NJM2845_3.0V Output Voltage vs. Input Voltage @:Ta=25oC Co=2.2µF(Ceramic) Io=0A Io=200mA Io=500mA 0 0.5 1 1.5 2 2.5 3 3.5 4 0 500 1000 1500 2000 O u tp u t V o lt a g e : V o (V ) NJM2845_3.0V Output Voltage vs. Output Current @:Ta=25oC VIN=4V Co=2.2µF(Ceramic) Output Current : Io(mA) 0 5 10 15 20 25 30 35 0 200 400 600 800 1000 G ro u n d P in C u rr e n t : IG N D ( m A ) NJM2845_3.0V Ground Pin Current vs. Output Current @:Ta=25oC VIN=4.0V Co=2.2µF(Ceramic) Output Current : IO(mA) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0 200 400 600 800 1000 Output Current:Io(mA) @:Ta=25oC Co=2.2µF(Ceramic) D ro p o u t V o lt a g e: d V I- O (V ) NJM2845_3V Dropout Voltage vs. Output Current -80 -70 -60 -50 -40 -30 -20 -10 0 0 200 400 600 800 1000 L o ad R eg u la ti o n : d V o /d Io (m V ) Output Current : Io(mA) NJM2845_3.0V Load Regulation vs. Output Current @:Ta=25oC VIN=4.0V Co=2.2µF(Ceramic) 0 500 1000 1500 2000 2500 4 6 8 10 12 14 P e a k O u tp u t C u rr en t : Io M A X (m A ) NJM2845_3.0V Peak Output Current vs. Input Voltage @:Ta=25oC Co=2.2µF(Ceramic) Input Voltage : VIN(V)

Page 10

NJM2845/46 - 9 -Ver.2008-02-06 TYPICAL CHARACTERISTICS (NJM2845) 0 500 1000 1500 2000 2500 0 5 10 15 Q u ie s ce n t C u rr en t : IQ ( µA ) NJM2845_3.0V Quiescent Current vs. Input Voltage @:Ta=25oC Output is open. Co=2.2µF(Ceramic) Input Voltage : VIN(V) 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 1000 Output Current : Io(mA) O u tp u t N o is e V o lt ag e : V n (µ V rm s) NJM2845_3.0V Output Noise Voltage vs. Output Current @:Ta=25oC VIN=4.0V LPF:80kHz Co=2.2µF(ceramic) 20 30 40 50 60 70 80 90 100 10 100 1000 104 105 R ip p le R e je ct io n R at io : R R ( d B ) Frequency : f (Hz) NJM2845_3.0V Ripple Rejection Ratio vs. Frequency Io=0mAIo=10mA Io=30mA @:Ta=25oC VIN=4V ein=200mVrms Co=2.2µF(Ceramic) 10 100 1k 10k 100k Io=100mA 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 10 100 1000 Output Current : Io(mA) R ip p le R e je ct io n : R R ( d B ) NJM2845_3V Ripple Rejection vs. Output Current f=1kHz f=10kHz @:Ta=25oC VIN=4V ein=200mVrms Co=2.2µF(Ceramic) 0.1 1 10 100 0.001 0.01 0.1 1 10 100 103 0.02 Output Current : Io(mA) @:Ta=25oC Co=2.2µF(Ceramic) VIN=4.0V E q u iv al en t S er is e R es is ta n ce : E S R (Ω ) NJM2845_3.0V Equivalent Serise Resistance vs. Output Current STABLE REGION

NJM2845DL1-23-TE1 Reviews

Average User Rating
5 / 5 (99)
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Vince*****rcado

November 20, 2019

Very pleased with the parts from this company. First class service. Thanks!

Kyr*****uffy

November 19, 2019

This seems to be a good set. I'll update more when I've tested these and can review their working quality.

Ryl*****Bassi

November 3, 2019

Arrived promptly, carefully packaged, as described, many thanks

Regin*****grawal

October 25, 2019

Completely satisfied of NJM2845DL1-23-TE1 , I always find what I need. The site is easy to get the components .

Trav*****adig

September 24, 2019

Everything is good. Well made terminal blocks. Good consistency and I found no bad ones in the bunch.

Brie*****Cross

September 22, 2019

I enjoy Good service from Heisener team , I can get good quality components what I want in heisener.com.

Brix*****Walter

September 21, 2019

I can get a patience and respect for each order. Thank you!

Ari*****Nigam

September 13, 2019

They are components and they work. Wasn’t expecting anything more or anything less.

Rosi*****rian

September 11, 2019

Great kit, cost half the price of other stores. Includes most items that someone would need.

Gael*****llon

September 4, 2019

Your prices are low and your website is customer-use friendly.

NJM2845DL1-23-TE1 Guarantees

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