Typical operating characteristics (continued) – Rainbow Electronics MAX5098A User Manual
Page 8
MAX5098A
Dual, 2.2MHz, Automotive Buck or Boost
Converter with 80V Load-Dump Protection
8
_______________________________________________________________________________________
OUT-OF-PHASE OPERATION
(FSEL_1 = SGND)
MAX5098A toc16
200ns/div
SOURCE2
10V/div
SOURCE1
10V/div
CKO
5V/div
0V
0V
0V
EXTERNAL SYNCHRONIZATION
(FSEL_1 = V
L
)
MAX5098A toc17
200ns/div
SOURCE2
10V/div
SOURCE1
10V/div
CKO
5V/div
0V
0V
SYNC
5V/div
0V
0V
EXTERNAL SYNCHRONIZATION
(FSEL_1 = SGND )
MAX5098A toc18
200ns/div
SOURCE2
10V/div
SOURCE1
10V/div
CKO
5V/div
0V
0V
SYNC
5V/div
0V
0V
FOUR-PHASE OPERATION
(FSEL_1 = V
L
)
MAX5098A toc19
200ns/div
MASTER SOURCE1
20V/div
MASTER SOURCE2
20V/div
SLAVE SOURCE1
20V/div
SLAVE SOURCE2
20V/div
MASTER
CKO
5V/div
0V
0V
0V
0V
0V
OVP BEHAVIOR
MAX5098A toc20
1ms/div
V+
10V/div
GATE
10V/div
V
OUT1
10V/div
PGOOD2
10V/div
V
OUT2
10V/div
EXTERNAL OVERVOLTAGE REMOVED
0V
0V
0V
0V
0V
FB_ VOLTAGE
vs. TEMPERATURE
MAX5098A toc21
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
Typical Operating Characteristics (continued)
(See the
Typical Application Circuit, unless otherwise noted. V+ = V
IN_HIGH
= 14V, unless otherwise noted. V+ = V
IN_HIGH
means
that N1 is shorted externally.)