LMZM33603 Datasheet, PDF (16/28 Pages) Texas Instruments – LMZM33603 4-V to 36-V Input, 3-A Step-Down DC-DC Power Module in QFN Package

LMZM33603
SNVSAO6 – SEPTEMBER 2017
Table 4. Switching Frequency vs Output Voltage (I_OUT = 2A)
SWITCHING
FREQUENCY
(kHz)
R_RT
RESISTOR
(kΩ)
V_IN = 5 V (±5%)
V_OUT RANGE (V)
MIN
MAX
V_IN = 12 V (±5%)
V_OUT RANGE (V)
MIN
MAX
V_IN = 24 V (±5%)
V_OUT RANGE (V)
MIN
MAX
200
200
1
3.4
1
5.5
1
6.2
250
158
1
3.5
1
6.2
1
10.6
300
133
1
3.5
1
6.8
1
10.6
350
113
1
3.5
1
7.4
1
10.7
400
100 or
(RT pin open)
1
3.5
1
7.9
1
11.4
450
88.7
1
3.5
1
8.4
1.2
12.1
500
78.7
1
3.5
1
8.9
1.3
12.8
550
71.5
1
3.4
1
9.3
1.4
13.4
600
66.5
1
3.4
1
9.5
1.6
14.1
650
60.4
1
3.4
1
9.4
1.7
14.6
700
56.2
1
3.3
1
9.3
1.8
15.2
750
52.3
1
3.3
1
9.2
2
15.8
800
49.9
1
3.3
1
9.1
2.1
16.3
850
46.4
1
3.2
1.1
9.0
2.2
16.8
900
44.2
1
3.2
1.2
9.0
2.3
17.3
950
41.2
1
3.2
1.2
8.9
2.5
17.8
1000
39.2
1
3.1
1.3
8.8
2.6
18
1050
37.4
1
3.1
1.4
8.7
2.7
18
1100
35.7
1
3.1
1.4
8.6
2.9
18
1150
34
1
3
1.5
8.5
3
18
1200
33.2
1
3
1.6
8.5
3.1
18
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