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.)
V
OUT
vs. TEMPERATURE
MAX5092/93 toc22
TEMPERATURE (°C)
V
OUT
(V)
11085603510-15
3.26
3.28
3.30
3.32
3.34
3.36
3.24
-40 135
I
OUT
= 10mA, R5 = 100kΩ,
R4 = 165kΩ, FIGURE 6
V
OUT
vs. TEMPERATURE
(MAX5092B)
MAX5092/93 toc23
TEMPERATURE (°C)
V
OUT
(V)
11085603510-15
4.95
5.00
5.05
5.10
4.90
-40 135
I
OUT
= 1mA, V
SET
= 0V
LDO LOAD-TRANSIENT RESPONSE
(MAX5092B)
MAX5092/93 toc24
2ms/div
V
OUT
50mV/div
I
OUT
100mA/div
(AC-COUPLED)
0mA
INPUT-VOLTAGE STEP RESPONSE
MAX5092/93 toc25
200ms/div
V
OUT
20mV/div
V
IN
20V/div
5V
(AC-COUPLED)
72V
3.5V
I
OUT
= 5mA
ENABLE AND HOLD TIMING
MAX5092/93 toc26
200ms/div
V
EN
5V/div
V
HOLD
5V/div
V
OUT
5V/div
0V
0V
0V
INTERNAL BOOST DIODE FORWARD DROP
(MAX5092)
MAX5092/93 toc27
DIODE CURRENT (A)
DIODE VOLTAGE (mV)
2.52.01.51.00.5
250
500
750
1000
1250
1500
0
0 3.0
V
IN
= 8V, BOOST CONVERTER
NOT SWITCHING
BOOST CONVERTER POWER LOSS
(V
BSOUT
= 7V)
MAX5092/93 toc28
I
OUT
(mA)
POWER LOSS (W)
30025020015010050
0.2
0.4
0.6
0.8
1.0
0
0 350
T
A
= +105°C: V
IN
= 3.5V
V
IN
= 4V
V
IN
= 5V
T
A
= +25°C: V
IN
= 3.5V
V
IN
= 4V
V
IN
= 5V
BOOST CONVERTER POWER LOSS
(V
BSOUT
= 11V)
MAX5092/93 toc29
I
OUT
(mA)
POWER LOSS (W)
30025020015010050
0.2
0.4
0.6
0.8
1.0
1.2
0
0 350
V
IN
= 5V
V
IN
= 3.5V
V
IN
= 4V
T
A
= +105°C: V
IN
= 4V
V
IN
= 5V
V
IN
= 3.5V
GROUND CURRENT DISTRIBUTION
(162 UNITS TESTED)
MAX5092/93 toc30
I
GND
(µA)
NUMBER OF UNITS
5
10
15
20
25
30
35
40
0
T
A
= T
J
= +125°C
T
A
= T
J
= -40°C
70
68
52
54
56 60 62 64 66
58
Maxim Integrated │ 8
www.maximintegrated.com
MAX5092/MAX5093 4V to 72V Input LDOs with Boost Preregulator
Typical Operating Characteristics (continued)