Rainbow Electronics MAX5093 - Manual (Page 15)

MAX5092/MAX5093
4V to 72V Input LDOs with Boost Preregulator
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Applications Information (continued)
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
ON
OFF
INPUT
4V TO 72V
L1
4.7µH
C1*
47µF
C2*
1µF
C6
1µF
C3*
1µF C4*
22µF
C7
10µF
C5
0.22µF
R1
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 POWER-DISSIPATION CAPABILITY OF THE PACKAGE.
***SEE PC BOARD LAYOUT GUIDELINES SECTION.
µP
SIGNAL
OUTPUT
3.3V AT 250mA**
7V
PGND_BST
***
P
P
Figure 5. MAX5093A Typical Application Circuit with Factory Preprogrammed Boost and LDO Output Voltages