LM25576MH/NOPB National Semiconductor, LM25576MH/NOPB Datasheet - Page 19

• Manufacturer Part Number: LM25576MH/NOPB
• Description: IC BUCK SYNC ADJ 3A 20TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®, SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM25576MH/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 40 V
• Current - Output: 3A
• Frequency - Switching: 200kHz, 485kHz
• Voltage - Input: 6 ~ 42 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Power - Output: 4.2W
• Current, Input Bias: 3.4 mA
• Current, Output: 3 A
• Frequency, Oscillator: 50 kHz to 1 MHz
• Package Type: TSSOP-20EP
• Power Dissipation: 1.9 W
• Regulator Type: Buck, Switching
• Resistance, Thermal, Junction To Case: 6 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Gain: 70 dB
• Voltage, Input: 6 to 42 V
• Voltage, Offset: 0.7 V
• Voltage, Output: 7.15 V
• Primary Input Voltage: 42V
• No. Of Outputs: 1
• Output Voltage: 7.45V
• Output Current: 3A
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Filter Terminals: SMD
• Rohs Compliant: Yes
• For Use With: LM25576BLDT - WEBENCH BUILD IT BOARD LM25576LM25576EVAL - BOARD EVALUATION FOR LM25576
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM25576MH; *LM25576MH/NOPB; LM25576MH

C
C
C
C
C
C
C
C
C
C
C
C
D
R
R
R
R
R
R
R
U
L
ITEM
10
11
12
1
2
3
4
5
6
7
8
9
1
1
1
2
3
4
5
6
7
1
C4532X7R2A225M
C4532X7R2A225M
C0805C331G1GAC
C2012X7R2A103K
C2012X7R2A103K
OPEN
C2012X7R2A223K
C2012X7R1C474M
C3225X7R1C226M
EEFHE0J151R
C0805C331G1GAC
OPEN
CSHD6-60C
6CWQ10FN
DR127-330
OPEN
OPEN
CRCW08052102F
CRCW08054992F
CRCW08055111F
CRCW08051651F
CRCW2512100J
LM25576
PART NUMBER
TABLE 1. 5V, 3A Demo Board Bill of Materials
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, KEMET
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
NOT USED
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, SP, PANASONIC
CAPACITOR, CER, KEMET
NOT USED
DIODE, 60V, CENTRAL
DIODE, 100V, IR (D1-ALT)
INDUCTOR, COOPER
NOT USED
NOT USED
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
REGULATOR, NATIONAL SEMICONDUCTOR
19
DESCRIPTION
0.022µ, 100V
0.01µ, 100V
0.01µ, 100V
330p, 100V
330p, 100V
2.2µ, 100V
2.2µ, 100V
0.47µ, 16V
150µ, 6.3V
22µ, 16V
VALUE
49.9kΩ
5.11kΩ
1.65kΩ
10, 1W
33µH
21kΩ
www.national.com