MAX17014 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX17014 Datasheet PDF : 33 Pages
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Low-Cost Multiple-Output
Power Supply for LCD TVs
Typical Operating Characteristics (continued)
(Circuit of Figure 1. VIN = VINL = VSUP = 12V, AVDD = 16V, VGON = 34.5V, VGOFF = -6V, VOUT1 = 3.3V, TA = +25°C, unless other-
wise noted.)
STEP-DOWN REGULATOR
SOFT-START (HEAVY LOAD)
MAX17014 toc04
A
B
0V
0V
C
0A
A: VIN, 5V/div
B: VOUT, 1V/div
D
0V
4.00ms/div
C: INDUCTOR CURRENT,
500mA/div
D: VLX2, 10V/div
STEP-UP REGULATOR EFFICIENCY
vs. LOAD CURRENT
100
95
90
85
80
75
70
65
60
55
50
45
40
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
STEP-UP REGULATOR
OUTPUT VOLTAGE vs. LOAD CURRENT
16.10
16.08
16.06
16.04
16.02
16.00
0
0.5 1.0 1.5 2.0 2.5
LOAD CURRENT (A)
STEP-UP REGULATOR
SOFT-START (HEAVY LOAD)
MAX17014 toc07
A
B
C
D
E
A: EN2, 5V/div
B: DEL2, 5V/div
C: AVDD, 5V/div
10.00ms/div
D: VSUI, 5V/div
E: INDUCTOR CURRENT,
1.00A/div
STEP-UP REGULATOR
LOAD-TRANSIENT RESPONSE
MAX17014 toc08
A
50mA
16V
B
C
0A
20.0µs/div
A: LOAD CURRENT, C: INDUCTOR CURRENT,
1A/div
2A/div
B: AVDD, 200mV/div
STEP-UP REGULATOR PULSED
LOAD-TRANSIENT RESPONSE
MAX17014 toc09
A
0.2A
16V
B
C
0A
10.0µs/div
A: LOAD CURRENT, C: INDUCTOR CURRENT,
1A/div
2A/div
B: AVDD, 200mV/div
10 ______________________________________________________________________________________
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