MAX16922_10 Datasheet, PDF (7/17 Pages) Maxim Integrated Products – 2.2MHz, Dual, Step-Down DC-DC Converters, Dual LDOs, and RESET

2.2MHz, Dual, Step-Down DC-DC
Converters, Dual LDOs, and RESET
Typical Operating Characteristics (continued)
(V_PV1 = 13.5V, V_PV2 = V_PV3 = V_OUT1, V_PV4 = V_OUT2; T_A = +25°C, unless otherwise specified.)
SWITCHING FREQUENCY
vs. TEMPERATURE
2.30
PWM = OUT1
2.28
2.26
2.24
2.22
2.20
2.18
2.16
2.14
2.12
2.10
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
LOAD CURRENT = 100mA
-10
100mV_P-P RIPPLE
-20
-30
-40
OUT4
-50
-60
-70
-80
OUT3
-90
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
OUT3 OUTPUT-NOISE DENSITY
vs. FREQUENCY
4000
R_L = 100Ω
3600
3200
2800
2400
2000
1600
1200
800
400
0
10
100
1k
10k
100k
FREQUENCY (Hz)
OUT4 OUTPUT-NOISE DENSITY
vs. FREQUENCY
2000
R_L = 100Ω
1800
1600
1400
1200
1000
800
600
400
200
0
10
100
1k
10k
100k
FREQUENCY (Hz)
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