LM3150MH/NOPB National Semiconductor, LM3150MH/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM3150MH/NOPB
• Description: IC REG SWITCH CTRL 6-42V 14TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®, SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM3150MH/NOPB

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adj to 0.6V
• Current - Output: 12A
• Frequency - Switching: 1MHz
• Voltage - Input: 6 ~ 42 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP Exposed Pad, 14-eTSSOP 14-HTSSOP
• Package: 14TSSOP EP
• Output Voltage: 0.6(Min) V
• Output Current: 12(Max) A
• For Use With: 551600142-002 - WEBENCH BUILD IT BOARD LM3150
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM3150MH

Inductor Designator
4. Determine Inductor Required Using
To use the nomograph in
microsecond constant ET from the following formula:
L01
L02
L03
L04
L05
L06
L07
L08
L09
L10
L11
L12
L13
L14
L15
Figure
Inductance
3, calculate the inductor volt-
(µH)
0.68
6.8
4.7
3.3
2.2
1.5
47
33
22
15
10
33
22
15
1
Figure 3
TABLE 1. Inductor Selection Table
FIGURE 3. Inductor Nomograph
Current
(16)
9-12
9-12
9-12
(A)
7-9
7-9
7-9
7-9
7-9
7-9
7-9
7-9
7-9
7-9
7-9
7-9
11
Where f
and the Volt-microseconds lines on the chart below will de-
termine which inductors are capable for use in the design. The
chart shows a sample of parts that can be used. The offline
calculator tools and WEBENCH
quirements for the components needed for the design.
RLF12560T-100M7R5
s
is in kHz units. The intersection of the Load Current
SER2817H-333KL
SER2814H-223KL
SER2814H-153KL
B82477-G4682-M
B82477-G4472-M
SRU1048-1R5Y
SER2918H-223
DR1050-3R3-R
DO3316H-681
MSS1048-222
DO3316P-102
7447709150
Part Name
®
30053152
will fully calculate the re-
COILCRAFT
COILCRAFT
COILCRAFT
COILCRAFT
COILCRAFT
COILCRAFT
COILCRAFT
COOPER
BOURNS
WURTH
EPCOS
EPCOS
Vendor
TDK
www.national.com