Datasheet

MAX17113
Low-Cost, Multiple-Output
Power Supply for LCD TVs
10 ______________________________________________________________________________________
STEP-UP REGULATOR CURRENT LIMIT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
STEP-UP REGULATOR
CURRENT LIMIT (A)
131211109
3.0
3.5
4.0
2.5
814
MAX17113 toc10
L1 = 10
F
H
TIME-DELAY LATCH
RESPONSE TO OVERLOAD
MAX17113 toc11
0V
0V
0A
V
OUT
5V/div
V
AVDD
10V/div
V
GON
50V/div
V
GOFF
50V/div
L2 INDUCTOR
CURRENT
5A/div
0V
200ms/div
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
V
IN
(V)
SWITCHING FREQUENCY (kHz)
131211109
592
594
596
598
600
602
604
606
608
610
590
814
MAX17113 toc12
VL LOAD REGULATION
LOAD CURRENT (mA)
OUTPUT-VOLTAGE ERROR (%)
80604020
-1
0
1
2
-2
0 100
MAX17113 toc13
NORMALIZED REFERENCE VOLTAGE
LOAD REGULATION
LOAD CURRENT (FA)
OUTPUT-VOLTAGE ERROR (%)
15010050
-0.1
0
0.1
0.2
-0.2
0200
MAX17113 toc14
POSITIVE CHARGE-PUMP REGULATOR
NORMALIZED LINE REGULATION
V
IN
(V)
POSITIVE CHARGE-PUMP
OUTPUT-VOLTAGE ERROR
17161514131211
-0.07
-0.04
-0.01
0.02
0.05
-0.10
10 18
MAX17113 toc15
I
SRC
= 0A
I
SRC
= 25mA
Typical Operating Characteristics (continued)
(Circuit of Figure 1. V
IN
= V
INL
= V
SUPP
= 12V, AV
DD
= 16V, V
GON
= 34.5V, V
GOFF
= -6V, V
OUT1
= 3.3V, T
A
= +25°C, unless other-
wise noted.)