MAX5901 查看數據表（PDF） - Maxim Integrated
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MAX5901 Datasheet PDF : 14 Pages
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-100V, SOT23/TDFN, Simple Swapper
Hot-Swap Controllers
GROUND
POWER IN
U1
SOT23-6
MAX5900/MAX5901
M1 S D G
SOT-223
POWER
OUT
Figure 5. Circuit Board Layout Example
Layout Guidelines
Good thermal contact between the MAX5900/
MAX5901 and the external MOSFET is essential for the
thermal shutdown feature to operate effectively. Place
the MAX5900/MAX5901 as close as possible to the
drain of the external MOSFET, and use wide circuit
board traces for good heat transfer. See Figure 5 for an
example of a PC board layout.
Chip Information
TRANSISTOR COUNT: 678
PROCESS: BiCMOS
+
VIN
-
100kΩ
V
GND
MAX5900
ON/OFF
MAX5901
PGOOD
(PGOOD)
VEE GATE DRAIN
100µF
+
VIN
-
GND
V
MAX5900
ON/OFF
MAX5901
PGOOD
(PGOOD)
VEE GATE DRAIN
50kΩ V
(a) SUPPLY CURRENT
(b) VUVLO
+
VIN -
100kΩ
V
GND
MAX5900
ON/OFF
MAX5901
PGOOD
(PGOOD)
VEE GATE DRAIN
+
48V
-
GND
MAX5900A
ON/OFF
MAX5901A
PGOOD
(PGOOD)
VEE GATE DRAIN
SCOPE
(c) GATE DRIVE VOLTAGE
V
SCOPE
50kΩ
(d) RETRY TIMEOUT
+
48V
-
GND
MAX5900
ON/OFF
MAX5901
PGOOD
(PGOOD)
VEE GATE DRAIN
(e) TURN-ON WAVEFORMS
50kΩ RL
CL
SCOPE
SCOPE
SCOPE
SCOPE
SCOPE
+
48V
-
GND
50kΩ
MAX5900
ON/OFF
MAX5901
PGOOD
(PGOOD)
VEE GATE DRAIN
SCOPE SCOPE
50kΩ
(f) CIRCUIT-BREAKER EVENT
SCOPE
Figure 6. Test Circuits
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