Rainbow Electronics MAX5093 - Manual (Page 14)

MAX5092/MAX5093
4V to 72V Input LDOs with Boost Preregulator
14 ______________________________________________________________________________________
Applications Information
MAX5092A
U1
1
10 11
16
2
3
15
VL
14
9
12
13
4
7
8
P
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
***
P
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
Figure 4. MAX5092A Typical Application Circuit with Factory Preprogrammed LDO and Boost Output Voltages