MAX15054 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
MFG CO.
MAX15054 Datasheet PDF : 9 Pages
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High-Side MOSFET Driver for HB LED Drivers
and DC-DC Applications
Typical Operating Characteristics (continued)
(VDD = VBST = 5V, VLX = VGND = 0V, TA = +25°C, unless otherwise noted.)
2MHz OPERATION
MAX15054 toc08
HI
2V/div
0V
HDRV
2V/div
0V
NO LOAD ON HDRV
200ns/div
HDRV OUTPUT HIGH/LOW
vs. TEMPERATURE
140
VBST - VHDRV
120
SOURCING 100mA
100
80
60
VHDRV - VLX
SINKING 100mA
40
20
OUTPUT HIGH = VBST - VHDRV
OUTPUT LOW = VHDRV - VLX
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
4% DUTY CYCLE AT 2MHz
MAX15054 toc10
HI
2V/div
0V
10ns/div
HDRV
2V/div
0V
96% DUTY CYCLE AT 2MHz
MAX15054 toc11
2V/div
2V/div
10ns/div
TURN-ON/TURN-OFF PROPAGATION
DELAY vs. TEMPERATURE
13.0
12.5
12.0
tD_OFF
11.5
11.0
10.5
tD_ON
10.0
9.5
9.0
8.5
8.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
RISE TIME AND FALL TIME
MAX15054 toc13
HI
HDRV
2V/div
0V
4.7nF CAPACITOR
CONNECTED FROM
HDRV TO GND,
LX = GND
20ns/div
HDRV
2V/div
0V
HI
TURN-ON AND TURN-OFF
PROPAGATION DELAY
MAX15054 toc14
HI
HDRV
1V/div
0V
1nF CAPACITOR CONNECTED
FROM HDRV TO GND,
LX = GND
40ns/div
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