Datasheet

MAX16932/MAX16933
2.2MHz, 36V, Dual Buck
with 20µA Quiescent Current
8Maxim Integrated
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
FB1 LINE REGULATION
VSUP (V)
VOUT (V)
10 15 20 25 30 35 40
5
0.995
1.005
1.000
1.010
0.990
0
MAX16932 toc21
V
OUT1
= 1.8V
FB2 LINE REGULATION
VSUP (V)
VOUT (V)
10 15 20 25 30 35 40
5
0.995
1.005
1.000
1.010
0.990
0
MAX16932 toc22
V
OUT2
= 1.8V
MINIMUM ON-TIME (BUCK 1)
MAX16932 toc23
V
BAT
5V/div
V
OUT1
1V/div
200ns/div
I
OUT1
= 300mA
MINIMUM ON-TIME (BUCK 2)
MAX16932 toc24
V
BAT
5V/div
V
OUT1
1V/div
200ns/div
I
OUT2
= 300mA
SPECTRAL ENERGY DENSITY
vs. FREQUENCY
FREQUENCY (Hz)
OUTPUT SPECTRUM (dBµV)
350,000 400,000 450,000 500,000
20
30
40
10
0
-10
50
300,000
MAX16932 toc25
MEASURED ON THE MAX16933ATIS/V+
SPECTRAL ENERGY DENSITY
vs. FREQUENCY
FREQUENCY (Hz)
OUTPUT SPECTRUM (dBµV)
1000k 1100k 1200k
900k
15
20
35
30
25
10
5
-10
-5
0
40
800k
MAX16932 toc26
MEASURED AT V
OUT2
ON
THE MAX16932ATIU/V+
SPECTRAL ENERGY DENSITY
vs. FREQUENCY
FREQUENCY (Hz)
OUTPUT SPECTRUM (dBµV)
2200k 2400k 2600k
2000k
15
20
30
25
10
5
-10
-5
0
35
1800k
MAX16932 toc27
MEASURED ON THE
MAX16932ATIS/V+