MAX5092AATE(2006) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX5092AATE Datasheet PDF : 23 Pages
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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.)
VIN
50V/div
LINE-TRANSIENT RESPONSE
(VIN STEP FROM 3.5V TO 72V)
MAX5092/93 toc09
IOUT = 5mA 72V
3.5V
VOUT
50mV/div
5V (AC-COUPLED)
LINE-TRANSIENT RESPONSE
(VIN STEP FROM 3.5V TO 14V)
MAX5092/93 toc10
VOUT
100mV/div
VBSOUT
5V/div
5V (AC-COUPLED)
14V
7V
VBSOUT
50V/div
72V
7V
40ms/div
VIN
5V/div
14V
3.5V
200µs/div
DROPOUT VOLTAGE (VBSOUT - VOUT)
vs. LDO LOAD CURRENT
1000
800
600
400
200
0
0
50 100 150 200 250
LDO LOAD CURRENT (mA)
LDO OUTPUT VOLTAGE
vs. LDO LOAD CURRENT (MAX5092B)
5.15
TA = -40°C: CIN = 10µF, CBSOUT = 4.7µF, COUT = 10µF
(CERAMIC)
5.10 TA = +25°C, +135°C: CIN = 47µF, CBSOUT = 22µF
(ELECTROLYTIC), COUT = 10µF (CERAMIC)
5.05
TA = +25°C, VIN = 4V
5.00
TA = +25°C, VIN = 14V
TA = -40°C, VIN = 4V
TA = -40°C, VIN = 14V
4.95
4.90
4.85
0
TA = +135°C, VIN = 4V
TA = +135°C, VIN = 14V
100
200
300
LDO LOAD CURRENT (mA)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
MAX5092/93 toc13
VIN = 14V, IOUT = 10mA
10dB/div
-70
100
1k
10k
100k
1M
FREQUENCY (Hz)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
MAX5092/93 toc14
VIN = 8V, IOUT = 10mA
10dB/div
VIN
10V/div
STARTUP THROUGH INPUT VOLTAGE
MAX5092/93 toc15
IOUT = 250mA
0V
VBSOUT
10V/div
0V
-70
100
1k
10k
100k
1M
FREQUENCY (Hz)
ILX
5A/div
0A
VOUT
5V/div
0V
100µs/div
6 _______________________________________________________________________________________
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