Datasheet

MAX17094
Internal-Switch Boost Regulator with Integrated
7-Channel Driver, VCOM Calibrator, Op Amp, and LDO
10 ______________________________________________________________________________________
IN SUPPLY QUIESCENT CURRENT
vs. IN SUPPLY VOLTAGE
MAX17094 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (μA)
4.92.7 3.8
5
10
20
25
15
30
35
40
0
1.6 6.0
NO LOAD
0.2A LOAD
IN SUPPLY QUIESCENT CURRENT
vs. TEMPERATURE
MAX17094 toc05
TEMPERATURE (°C)
IN SUPPLY CURRENT (μA)
60-15 10 35
5
10
20
25
15
30
35
40
0
-40 85
V
IN
= 3.3V
V
EN
= 0
V
IN
= 5.0V
AVDD SUPPLY CURRENT
vs. AVDD SUPPLY VOLTAGE
MAX17094 toc06
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
1269
0.5
1.5
1.0
3.0
3.5
4.0
4.5
2.0
2.5
5.0
5.5
6.0
0
315
NO LOAD ON V
MAIN
V
IN
= 3.3V
V
IN
= 5.0V
AVDD CURRENT
vs. TEMPERATURE
MAX17094 toc07
TEMPERATURE (°C)
AVDD CURRENT (mA)
60-15 10 35
4.2
4.4
4.8
5.0
5.2
4.6
5.4
5.6
4.0
-40 85
NO LOAD ON V
MAIN
V
AVDD
= 14V
V
AVDD
= 8V
V
IN
= 3.3V
STEP-UP CONVERTER
SWITCHING FREQUENCY vs. R
FREQ
MAX17094 toc08
R
FREQ
(kΩ)
SWITCHING FREQUENCY (MHz)
7525 50
200
400
800
1000
1200
600
1400
1600
0
0 100
I
MAIN
= 350mA LOAD
V
IN
= 3.3V
V
MAIN
= 8V
STEP-UP CONVERTER SWITCHING
FREQUENCY vs. INPUT VOLTAGE
MAX17094 toc09
INPUT VOLTAGE (V)
SWITCHING FREQUENCY (MHz)
4.92.7 3.8
1.22
1.26
1.24
1.30
1.32
1.34
1.36
1.28
1.38
1.40
1.20
1.6 6.0
I
MAIN
= 200mA
R
FREQ
= 80.6k
Ω
V
MAIN
= 8V
STEP-UP REGULATOR
HEAVY-LOAD SOFT-START
MAX17094 toc10
2ms/div
0
0
0
0
LX
5V/div
V
MAIN
5V/div
I
L
500mA/div
EN
5V/div
STEP-UP REGULATOR LOAD-TRANSIENT
RESPONSE (20mA TO 300mA)
MAX17094 toc11
100μs/div
0
0
0
0
V
LX
10V/div
I
L1
1A/div
V
MAIN
(AC-COUPLED)
500mV/div
I
MAIN
200mA/div
L1 = 4.1μH
R
COMP
= 40.2kΩ
C
COMP
= 1000pF
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)