MAX15035 Datasheet, PDF (12/27 Pages) Maxim Integrated Products – 15A Step-Down Regulator with Internal Switches

15A Step-Down Regulator with Internal Switches
5V BIAS
SUPPLY
AGND
ON OFF
GND/OPEN/REF/V_DD
AGND
AGND
LO HI
R3
97.6kΩ
4 _VDD
C1
1µF
C2
1µF PWR
37 _VCC
R10
100kΩ
38 _PGOOD
29
TON
R_TON
200kΩ
IN ^{18–26, EP3}
BST ³⁰
C_BST
0.1µF
LX
5, 16, EP2
6–15
PGND
C3
1000pF
2 _{EN MAX15035}
PWR
32
36 _SKIP
FB
35 _REF
R1
49.9kΩ
R2
54.9kΩ
34 _REFIN
33
ILIM
R4
40.2kΩ
3, 28, EP1
AGND
R5
49.4kΩ
L1
RT
60.4kΩ
NTC
10kΩ
B = 3435
C_IN
PWR
C_OUT
PWR
INPUT
7V TO 24V
OUTPUT
1.05V/1.50V
15A (MAX)
SEE TABLE 1 FOR COMPONENT SELECTION.
AGND
PWR AGND
Figure 1. MAX15035 Standard Application Circuit
Table 1. Component Selection for Standard Applications
COMPONENT
Input Capacitor
Output Capacitor
Inductor
V_OUT = 1.5V/1.05V AT 15A
(FIGURE 1)
V_IN = 7V to 20V
TON = 200kΩ (300kHz)
(3x) 10µF, 25V
Taiyo Yuden TMK432BJ106KM
(2x) 330µF, 6mΩ, 2V
Panasonic EEFSX0D331XR
1.0µH, 5.3mΩ, 27.5A
Vishay IHLP4040DZER1R0
V_OUT = 3.3V AT 6A
(FIGURE 6)
V_IN = 7V to 20V
TON = 332kΩ (300kHz)
(2x) 10µF, 25V
Taiyo Yuden TMK432BJ106KM
(1x) 330µF, 18mΩ, 4V
SANYO 4TPE330MI
1.5µH, 14mΩ, 9A
NEC TOKIN MPLC1040L3R3
V_OUT = 1.5V/1.05V AT 10A
(FIGURE 1)
V_IN = 5V to 12V
TON = 100kΩ (600kHz)
(3x) 10µF, 25V
Taiyo Yuden TMK432BJ106KM
(1x) 470µF, 7mΩ, 2.5V
SANYO 2R5TPLF470M7
0.47µH, 3.7mΩ, 15A
Cooper FP3-R47-R
Table 2. Component Suppliers
SUPPLIER
AVX Corp.
BI Technologies
Cooper Bussmann
KEMET Corp.
Murata Mfg. Co., Ltd.
NEC TOKIN Corp.
Panasonic Corp.
WEBSITE
www.avxcorp.com
www.bitechnologies.com
www.cooperet.com
www.kemet.com
www.murata.com
www.nec-tokin.com
www.panasonic.com
SUPPLIER
Pulse Engineering
SANYO NA Corp.
Sumida Corp.
Taiyo Yuden
TDK Corp.
TOKO America, Inc.
Vishay
Würth Electronik GmbH & Co. KG
WEBSITE
www.pulseeng.com
www.sanyo.com
www.sumida.com
www.t-yuden.com
www.component.tdk.com
www.tokoam.com
www.vishay.com
www.we-online.com
12 ______________________________________________________________________________________