MP2359 MPS, MP2359 Datasheet - Page 7

• Manufacturer Part Number: MP2359
• Description: 1.4MHz Step-Down Converter
• Manufacturer: MPS

TYPICAL APPLICATION CIRCUITS
MP2359 Rev. 1.1
6/23/2006
Wurth Electronics
Manufacturer
Notes:
1) D3 can be installed if V
2) D2 can be installed if V
3) No need for both D2 and D3
OFF ON
Sumida
Toko
V
OFF ON
IN
6V-12V
V
TM
IN
CDRH4D28C/LD
A921CY-4R7M
Part Number
Figure 3—1.4MHz, 3.3V Output at 1A Step-Down Converter
7440530047
IN
OUT
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
< 5V
< 5V
D3
1N4148
(Optional)
Table 2—Suggested Surface Mount Inductors
MP2359 – 1.2A, 24V, 1.4MHz STEP-DOWN CONVERTER IN A TSOT23-6
Figure 4—White LED Driver Application
5
4
IN
EN
5
4
Inductance(µH)
IN
EN
-V
MP2359
© 2006 MPS. All Rights Reserved.
OUT
MP2359
GND
www.MonolithicPower.com
GND
4.7
4.7
4.7
2
BST
SW
BS
FB
SW
U1
FB
1
6
3
1
6
3
Max DCR(Ω)
0.027
0.036
0.038
D1
B230A-13-F
C3
10nF
D1
1N5819HW-7
-V
C3
22nF
OUT
-V
OUT
Rating (A)
-V
Current
OUT
1.66
1.5
2.0
D2
1N4148
(Optional)
L x W x H (mm
5.8 x 5.8 x 2.8
LED3
LED1
LED2
Dimensions
5.1 x 5.1 x 3
6 x 6.3 x 3
V
3.3V
OUT
3
)
7