LM2592HVT-3.3 National Semiconductor, LM2592HVT-3.3 Datasheet - Page 8

• Manufacturer Part Number: LM2592HVT-3.3
• Description: SWITCHING REG 2A 3.3V, 2592, TO-220
• Manufacturer: National Semiconductor

Specifications of LM2592HVT-3.3

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 2A
• Voltage Regulator Case Style: TO-220
• No. Of Pins: 5
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Test Circuit and Layout Guidelines
Component Values shown are for V
V
C
C
D1
L1
Select R
Component Values shown are for V
V
C
C
D1 — 3.3A, 60V Schottky Rectifier, 31DQ06 (International Rectifier)
L1 — 47 µH, See Inductor Selection Procedure
R
R
C
Typical Values
C
C
R
drag feedback pin below ground). Required if V
†
OUT
IN
OUT
OUT
IN
OUT
1
2
FF
SS
DELAY
PULL UP
Small signal Schottky diode to prevent damage to feedback pin by negative spike when output is shorted (C
:
— 1 k , 1%
— 7.15k, 1%
— 0.1 µF
— 3.3 nF
—
—
:
= 5V, I
—
= 10V, I
— 470 µF, 35V, Aluminum Electrolytic Nichicon “PM Series”
— 0.1 µF
—
1
— 220 µF, 35V Aluminum Electrolytic, Nichicon “PM Series”
33 µH, See Inductor Selection Procedure
3.3A, 60V Schottky Rectifier, 31DQ06 (International Rectifier)
to be approximately 1 k , use a 1% resistor for best stability.
— 4.7k (use 22k if V
470 µF, 50V, Aluminum Electrolytic Nichicon “PM Series”
LOAD
220 µF, 25V Aluminum Electrolytic, Nichicon “PM Series”
LOAD
= 2A.
= 2A.
OUT
IN
IN
is
= 15V,
= 20V,
45V)
FIGURE 1. Standard Test Circuits and Layout Guides
IN
>
40V
Adjustable Output Voltage Versions
Fixed Output Voltage Versions
8
FF
not being able to discharge immediately will
10129425
10129424