NJM2352D NJR, NJM2352D Datasheet - Page 11

• Manufacturer Part Number: NJM2352D
• Description: IC LOW POWER SW REG 8 DIP
• Manufacturer: NJR
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of NJM2352D

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V, 9V, 24V
• Frequency - Switching: 50kHz
• Voltage - Input: 2.6 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP
• Power - Output: 300mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: Through Hole
• Duty Cycle (max): 50 %
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

■ EFFICIENCY
to it. Example is shown on typical characteristic graph.
■ TEST CIRCUIT 2 (V
■ PARAMETER
Ver.2003-07-18
• D1
• LX = 470µH
Efficiency is shown below.
If V
EK-14
IS1588
L1 : Ingernal Resistance = 0.2Ω
L2 : Ingernal Resistance = 2Ω
L3 : Ingernal Resistance = 7Ω
S
Set Up =
Step Down =
Inverting =
and V
V
V
S
D
D
: Voltage Drop based on switching transistor On-Resistance.
: Diode Forward Voltage Drop.
are low, efficiency increase. Also speed of switching transistor and diode, series resistance of L will affect
V −
IN
V −
V
OUT
IN
IN
V
V
V
IN
IN
S
V
: 9V)
−
S
V
x
V
IN
S
x
+
V
V
OUT
V
D
OUT
V
V
+
x
OUT
OUT
V
+
D
V
−
V
OUT
V
D
V
S
OUT
+
V
D
- 11 -