NJM2845DL1-33-TE1 NJR, NJM2845DL1-33-TE1 Datasheet - Page 7

• Manufacturer Part Number: NJM2845DL1-33-TE1
• Description: IC REG LDO 800MA 3.3V TO252
• Manufacturer: NJR
• Series: -r

Specifications of NJM2845DL1-33-TE1

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 14V
• Voltage - Dropout (typical): 0.18V @ 500mA
• Number Of Regulators: 1
• Current - Output: 1.05A
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 14 V
• Output Voltage: 3.3 V
• Output Type: Fixed
• Dropout Voltage (max): 0.28 V at 500 mA
• Output Current: 1.05 A
• Line Regulation: 0.1 % / V
• Load Regulation: 0.004 % / mA
• Voltage Regulation Accuracy: 1 %
• Maximum Power Dissipation: 1 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Current - Limit (min): -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: NJM2845DL133TE1TR

Ver.2008-02-06
Input Capacitance C
Output Capacitance C
Input capacitance C
power supply impedance or a long power supply line.
Use the C
C
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.
IN
should connect between GND and V
IN
value of 0.33µF greater to avoid the problem.
IN
IN
is required to prevent oscillation and reduce power supply ripple for applications with high
O
IN
as short as possible.
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