max5093 Maxim Integrated Products, Inc., max5093 Datasheet - Page 5

• Manufacturer Part Number: max5093
• Description: 4v To 72v Input Ldos With Boost Preregulator
• Manufacturer: Maxim Integrated Products, Inc.

(V
applicable.)
IN
100
90
85
80
75
70
65
60
55
50
= V
90
80
70
60
50
40
4V to 72V Input LDOs with Boost Preregulator
-40
8
EN
BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I
vs. INPUT VOLTAGE (MAX5092B)
vs. TEMPERATURE (MAX5093B)
16
= 14V, C
QUIESCENT SUPPLY CURRENT
QUIESCENT SUPPLY CURRENT
-15
BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I
10
24
8
6
4
2
10
-40
INPUT VOLTAGE (V)
I
TEMPERATURE (°C)
OUT
32
IN
vs. TEMPERATURE (MAX5092B)
_______________________________________________________________________________________
= 10mA
35
-15
SHUTDOWN SUPPLY CURRENT
= 47µF, C
40
I
OUT
60
10
48
TEMPERATURE (°C)
= 10mA
I
OUT
I
OUT
85
35
56
= 100μA
IN
BSOUT
= 100μA
- I
IN
OUT
110
64
60
- I
OUT
= 22µF, C
72
135
85
V
EN
110
= 0V
100
0.1
10
10
135
OUT
1
8
6
4
2
0
4.0
4
BOOST CONVERTER SWITCHING
= 10µF, C
vs. INPUT VOLTAGE (MAX5092B)
vs. INPUT VOLTAGE (MAX5092B)
SHUTDOWN SUPPLY CURRENT
14
4.5
INPUT CURRENT (I
24
INPUT VOLTAGE (V)
5.0
INPUT VOLTAGE (V)
VL
34
= 1µF, T
5.5
I
OUT
I
OUT
44
Typical Operating Characteristics
= 10mA
= 100μA
6.0
100mV/div
A
54
IN
V
2A/div
1V/div
2V/div
BSOUT
= +25°C, unless otherwise noted.) (See Figures 4–7 as
)
V
OUT
V
V
I
6.5
LX
EN
IN
64
V
= 0V
BSOUT
7.0
74
PROGRAMMED < (V
SWITCHING WAVEFORMS
V
V
IN
BSOUT
= 5V, I
100
90
80
70
60
50
40
10
8
6
4
2
0
PROGRAMMED TO 11V
-40
100μs/div
4
OUT
BOOST CONVERTER NOT SWITCHING,
QUIESCENT SUPPLY CURRENT = I
= 100mA,
vs. TEMPERATURE (MAX5092B)
vs. INPUT VOLTAGE (MAX5093B)
QUIESCENT SUPPLY CURRENT
-15
SHUTDOWN SUPPLY CURRENT
14
OUT
10
24
TEMPERATURE (°C)
INPUT VOLTAGE (V)
+ V
MAX5092/93 toc08
35
34
BST_DIS
60
44
I
OUT
)
5V
(AC-COUPLED)
8.5V
(AC-COUPLED)
5V
(AC-COUPLED)
0
I
= 10mA
OUT
85
54
IN
= 100μA
- I
V
OUT
110
EN
64
= 0V
135
74
5