MAX5092 查看數據表（PDF） - Maxim Integrated
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MAX5092 Datasheet PDF : 23 Pages
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MAX5092/MAX5093
4V to 72V Input LDOs with Boost Preregulator
Typical Operating Characteristics
(VIN = VEN = 14V, CIN = 47μF, CBSOUT = 22μF, COUT = 10μF, CVL = 1μF, TA = +25°C, unless otherwise noted.) (See Figures 4–7 as
applicable.)
QUIESCENT SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5092B)
90
85
IOUT = 100mA
80
75
70
INPUT CURRENT (IIN)
vs. INPUT VOLTAGE (MAX5092B)
100
IOUT = 10mA
10
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE (MAX5092B)
100
BOOST CONVERTER NOT SWITCHING,
90 QUIESCENT SUPPLY CURRENT = IIN - IOUT
80
IOUT = 10mA
70
65
IOUT = 10mA
60
55 BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = IIN - IOUT
50
8 16 24 32 40 48 56 64 72
INPUT VOLTAGE (V)
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE (MAX5093B)
100
BOOST CONVERTER NOT SWITCHING,
90 QUIESCENT SUPPLY CURRENT = IIN - IOUT
1
IOUT = 100µA
BOOST CONVERTER SWITCHING
0.1
4.0 4.5 5.0 5.5 6.0 6.5 7.0
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5092B)
10
8
60
IOUT = 100µA
50
40
-40 -15 10 35 60 85 110 135
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5093B)
10
8
80
6
6
70
IOUT = 10mA
4
4
60
IOUT = 100µA
50
40
-40 -15 10 35 60 85 110 135
TEMPERATURE (°C)
2
VEN = 0V
0
4 14 24 34 44 54 64 74
INPUT VOLTAGE (V)
2
VEN = 0V
0
4 14 24 34 44 54 64 74
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE (MAX5092B)
10
8
6
SWITCHING WAVEFORMS
VBSOUT PROGRAMMED < (VOUT + VBST_DIS)
MAX5092/93 toc08
5V
VIN
(AC-COUPLED)
1V/div
VBSOUT
2V/div
8.5V
(AC-COUPLED)
4
VEN = 0V
2
-40 -15 10 35 60 85 110 135
TEMPERATURE (°C)
VOUT
100mV/div
ILX
2A/div
VIN = 5V, IOUT = 100mA,
VBSOUT PROGRAMMED TO 11V
100µs/div
5V
(AC-COUPLED)
0
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