LM2585SX-3.3/NOPB National Semiconductor, LM2585SX-3.3/NOPB Datasheet - Page 10

IC MULTI CONFIG 3.3V 3A TO263-5

LM2585SX-3.3/NOPB

Manufacturer Part Number
LM2585SX-3.3/NOPB
Description
IC MULTI CONFIG 3.3V 3A TO263-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Up (Boost), Flyback, Forward Converterr
Datasheet

Specifications of LM2585SX-3.3/NOPB

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
3A
Frequency - Switching
100kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
For Use With
551011367-061 - BOARD WEBENCH LM2577,LM2585/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2585SX-3.3
*LM2585SX-3.3/NOPB
LM2585SX-3.3
www.national.com
Test Circuits
C
C
T—22 μH, 1:1 Schott #67141450
D—1N5820
C
C
R
C
C
L—15 μH, Renco #RL-5472-5
D—1N5820
C
C
R
For 12V Devices: R
For ADJ Devices: R
IN1
IN2
OUT
C
C
IN1
IN2
OUT
C
C
—0.47 μF Ceramic
—2k
—0.47 μF Ceramic
—2k
—100 μF, 25V Aluminum Electrolytic
—0.1 μF Ceramic
—100 μF, 25V Aluminum Electrolytic
—0.1 μF Ceramic
—680 μF, 16V Aluminum Electrolytic
—680 μF, 16V Aluminum Electrolytic
1
1
= Short (0Ω) and R
= 48.75k, ±0.1% and R2 = 5.62k, ±1%
2
= Open
FIGURE 3. LM2585-12 and LM2585-ADJ
FIGURE 2. LM2585-3.3 and LM2585-5.0
10
1251519
1251520

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