SC1405B View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC1405B' PDF : 12 Pages View PDF
March 14, 2000
APPLICATION CIRCUIT
HIGH SPEED SYNCHRONOUS POWER
MOSFET SMART DRIVER
SC1405B
Typical Distributed Power Supply
INPUT POWER
+
10uF,6.3V
+5V
.1uF
<< P_READY
>> PWM IN
(20KHz-1MHz)
47pF
<< DSPS_DR
D1
1N5819
8
3
Vcc
GND
BST 14
13
7
TG
2
4
6
1
PRDY
EN
CO
DELAY_C
OVP_S
DRN
BG
12
9
11
5
DSPS_DR 10
S_MOD PGND
SC1405
+
+
+
.22uF
2.2
2.2
MTB75N03
75A,30V
MTB75N03
75A,30V
+
+
+
<<< Output Feedback to PWM
Controller
Over-Voltage Sense
TIMING DIAGRAM
Figure 1.
© 2000 SEMTECH CORP.
Figure 2.
6
652 MITCHELL ROAD NEWBURY PARK CA 91320
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