MAX5092/MAX5093
4V to 72V Input LDOs with Boost Preregulator
Typical Operating Characteristics (continued)
(VIN = VEN = 14V, CIN = 47μF, CBSOUT = 22μF, COUT = 10μF, CVL = 1μF, TA = +25°C, unless otherwise noted.) (See Figures 4–7 as
applicable.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
MAX5092/93 toc16
VIN = 8V, IOUT = 10mA
10dB/div
-70
100
1k
10k
100k
1M
FREQUENCY (Hz)
STARTUP THROUGH INPUT VOLTAGE
MAX5092/93 toc17
IOUT = 250mA
VIN
10V/div
0V
VBSOUT
10V/div
0V
ILX
5A/div
0A
VOUT
5V/div
0V
100µs/div
VIN
10V/div
VBSOUT
10V/div
ILX
1A/div
VOUT
5V/div
SHUTDOWN THROUGH VIN
MAX5092/93 toc18
IOUT = 250mA
0V
0V
0A
0V
2ms/div
VIN
10V/div
VBSOUT
10V/div
STARTUP THROUGH ENABLE
MAX5092/93 toc19
14V
14V
VOUT
5V/div
VEN
2V/div
0V
IOUT = 250mA 0V
200µs/div
VIN
10V/div
VBSOUT
10V/div
SHUTDOWN THROUGH ENABLE
MAX5092/93 toc20
14V
14V
VOUT
5V/div
VEN
2V/div
0V
IOUT = 250mA
0V
200µs/div
VOUT
2V/div
VRESET
2V/div
RESET TIMING RESPONSE
MAX5092/93 toc21
IOUT = 250mA
CT = 680pF
0V
VEN
2V/div
0V
0V
200µs/div
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