Datasheet

Figure 7. MAX5093A Typical Application Circuit with User-Programmable Boost Output Voltage and LDO Output Voltage
MAX5093A
U1
1
10 11
16
2
3
15
VL
14
9
12
13
4
7
8
5
6
LX
LX
RESET
IN
EN
SGND
RESET
INPUT
4V TO 72V
L1
4.7µH
C1*
47µF
C2*
1µF
C6
1µF
C3*
1µF
C4*
22µF
C7
10µF
C5
0.22µF
R3
100kΩ
VOUT
CT
BSOUT
BSFB
HOLD
OUT_SENSE
OUT
SET
PGND_LDO
VOUT
*THESE CAPACITORS MUST BE RATED AT THE HIGHEST V
IN
VOLTAGE.
**OUTPUT CURRENT IS LIMITED BY THE TOTAL OUTPUT POWER AND THE DISSIPATION CAPABILITY OF THE PACKAGE.
***SEE PCB LAYOUT GUIDELINES SECTION.
µP
SIGNAL
OUTPUT
10V**
OUTPUT
12V
PGND_BST
R1
4.32MΩ
R2
499kΩ
ON
OFF
R4
698kΩ
R5
100kΩ
***
P
MAX5092/MAX5093 4V to 72V Input LDOs with Boost Preregulator
www.maximintegrated.com
Maxim Integrated │ 17
Applications Information Diagrams (continued)