Datasheet

(V
IN
= V
EN
= 14V, C
IN
= 47μF, C
BSOUT
= 22μF, C
OUT
= 10μF, C
VL
= 1μF, T
A
= +25°C, unless otherwise noted.) (See Figures 4–7 as
applicable.)
INPUT CURRENT (I
IN
)
vs. INPUT VOLTAGE (MAX5092B)
MAX5092/93 toc02
INPUT VOLTAGE (V)
INPUT CURRENT (mA)
6.56.05.55.04.5
1
10
100
0.1
4.0 7.0
I
OUT
= 100µA
I
OUT
= 10mA
BOOST CONVERTER SWITCHING
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE (MAX5092B)
MAX5092/93 toc03
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT (µA)
11085603510-15
50
60
70
80
90
100
40
-40 135
I
OUT
= 10mA
I
OUT
= 100µA
BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I
IN
- I
OUT
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE (MAX5093B)
MAX5092/93 toc04
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT (µA)
11085603510-15
50
60
70
80
90
100
40
-40 135
I
OUT
= 10mA
I
OUT
= 100µA
BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I
IN
- I
OUT
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5092B)
MAX5092/93 toc05
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (µA)
645444342414
2
4
6
8
10
0
4 74
V
EN
= 0V
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5093B)
MAX5092/93 toc06
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (µA)
645444342414
2
4
6
8
10
0
4 74
V
EN
= 0V
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE (MAX5092B)
MAX5092/93 toc07
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (µA)
11085603510-15
4
6
8
10
2
-40 135
V
EN
= 0V
QUIESCENT SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5092B)
MAX5092/93 toc01
INPUT VOLTAGE (V)
QUIESCENT SUPPLY CURRENT (µA)
645616 24 32 40 48
55
60
65
70
75
80
85
90
50
8 72
I
OUT
= 100mA
I
OUT
= 10mA
BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I
IN
- I
OUT
SWITCHING WAVEFORMS
V
BSOUT
PROGRAMMED < (V
OUT
+ V
BST_DIS
)
MAX5092/93 toc08
100µs/div
V
IN
1V/div
V
BSOUT
2V/div
V
OUT
100mV/div
I
LX
2A/div
5V
(AC-COUPLED)
8.5V
(AC-COUPLED)
5V
(AC-COUPLED)
0
V
IN
= 5V, I
OUT
= 100mA,
V
BSOUT
PROGRAMMED TO 11V
Maxim Integrated │ 5
www.maximintegrated.com
MAX5092/MAX5093 4V to 72V Input LDOs with Boost Preregulator
Typical Operating Characteristics