Rainbow Electronics MAX5090C - Manual (Page 16)

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
100 µH
3.3 µF
C
OUT
100 µF
SS
SYNC
D1
B360
DRAIN
*LOCATE PTC AS CLOSE TO HEAT-DISSIPATING COMPONENT AS POSSIBLE.
C
SS
C IN
68 µF
C BYPASS
R IN
V IN
12V
MAX5090B
PTC
ON/OFF