Manual

MAX5090A/B/C
2A, 76V, High-Efficiency MAXPower Step-Down
DC-DC Converters
16 ______________________________________________________________________________________
Chip Information
PROCESS: BCD
TRANSISTOR COUNT: 7893
PART
TEMP RANGE
PIN-
PACKAGE*
OUTPUT
VOLTAGE
(V)
MAX5090CATE+
-40°C to +125°C 16 TQFN-EP**
Adj
MAX5090CATE
-40°C to +125°C 16 TQFN-EP**
Adj
Ordering Information (continued)
*The package code is T1655-3.
**EP = Exposed pad.
+Denotes lead-free package.
Figure 5. Load-Temperature Monitoring with ON/OFF (Requires Accurate V
IN
)
PGND
BST
LX
V
IN
SGND
FB
V
OUT
5V, 2A
R
t
C
t
VD
C
BST
100µH
3.3µF
C
OUT
100µF
SS
SYNC
D1
B360
DRAIN
*LOCATE PTC AS CLOSE TO HEAT-DISSIPATING COMPONENT AS POSSIBLE.
C
SS
C
IN
68µF
C
BYPASS
R
IN
V
IN
12V
MAX5090B
PTC
ON/OFF