Rainbow Electronics MAX5099 - Manual (Page 8)

MAX5099
Dual, 2.2MHz, Automotive Synchronous Buck
Converter with 80V Load-Dump Protection
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V+ = V IN_HIGH = 14V, unless otherwise noted. V+ = V IN_HIGH means that N1 is shorted externally.)
FB_ VOLTAGE
vs. TEMPERATURE
MAX5099 toc20
TEMPERATURE ( °C)
FB_ VOLTAGE (V)
100 65 -5 30
0.790
0.795
0.800
0.805
0.815
0.810
0.820
0.825
0.785
-40 135
V L = V+ = V
IN_HIGH
= 5.5V
BYPASS VOLTAGE
vs. TEMPERATURE
MAX5099 toc21
TEMPERATURE ( °C)
BYPASS VOLTAGE (V)
100 65 -5 30
1.994
1.996
1.998
2.000
2.002
2.006
2.004
2.008
2.010
1.990
1.992
-40 135
V L = V+ = V
IN_HIGH
= 5.5V
EXTERNAL SYNCHRONIZATION
(FSEL_1 = SGND )
MAX5099 toc18
200ns/div
SOURCE2
10V/div
SOURCE1
10V/div
0V
SYNC
5V/div
0V
0V
OVP BEHAVIOR
MAX5099 toc19
1ms/div
PGOOD2
10V/div
VOUT1
10V/div
VOUT2
10V/div
GATE
10V/div
0V
0V
0V
V+
10V/div
0V
0V
EXTERNAL OVERVOLTAGE REMOVED
OUT-OF-PHASE OPERATION
(FSEL_1 = SGND)
MAX5099 toc16
200ns/div
SOURCE2
10V/div
DL1
10V/div
DL2
10V/div
SOURCE1
10V/div
0V
0V
0V
0V
EXTERNAL SYNCHRONIZATION
(FSEL_1 = V L )
MAX5099 toc17
200ns/div
SOURCE2
10V/div
SOURCE1
10V/div
0V
SYNC
5V/div
0V
0V