MAX15048 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX15048 Datasheet PDF : 31 Pages
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MAX15048/MAX15049
Triple-Output Buck Controllers
with Tracking/Sequencing
Typical Operating Characteristics (continued)
(VIN = 12V, VDREG_ = VREG, VPGND_ = 0V, CREG = 2.2FF, RRT = 39.2kI, TA = +25NC, unless otherwise noted. See Figure 10.)
OPERATING SUPPLY CURRENT
vs. SWITCHING FREQUENCY
15
DRIVERS SWITCHING
14 NO-OUTPUT LOAD
13 VIN = 12V
12
11
10
9
8
7
6
5
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
SWITCHING FREQUENCY (MHz)
RATIOMETRIC SHUTDOWN (MAX15048)
MAX15048 toc15
WITH FIGURE 10 CONFIGURED FOR
VEN1
RATIOMETRIC TRACKING 5V/div
0V
VOUT1
VOUT2
VOUT3
1V/div
0V
1ms/div
VOUT2
VOUT1
CHANNEL 2 SHORT CIRCUIT
(RATIOMETRIC TRACKING)
MAX15048 toc17
WITH FIGURE 10 CONFIGURED
FOR RATIOMETRIC TRACKING
(MAX15048)
1V/div
VOUT3
1ms/div
1V/div
0V
RATIOMETRIC STARTUP (MAX15048)
MAX15048 toc14
5V/div
VEN1
VOUT1
0V
VOUT2
VOUT3
WITH FIGURE 10 CONFIGURED FOR
RATIOMETRIC TRACKING
1ms/div
1V/div
0V
VOUT1
CHANNEL 1 SHORT CIRCUIT
(RATIOMETRIC TRACKING)
MAX15048 toc16
WITH FIGURE 10 CONFIGURED
FOR RATIOMETRIC TRACKING
(MAX15048)
VOUT2
VOUT3
1ms/div
(1V/div)
(1V/div)
COINCIDENT STARTUP (MAX15048)
MAX15048 toc18
5V/div
VEN1
VOUT1
0V
VOUT2
VOUT1, 2, 3
VOUT3
WITH FIGURE 10 CONFIGURED
FOR COINCIDENT TRACKING
1ms/div
1V/div
0V
6
Maxim Integrated
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