SC1405D Datasheet, PDF (5/14 Pages) Semtech Corporation – High Speed Synchronous Power MOSFET Smart Driver

POWER MANAGEMENT
Application Circuit - TSSOP-14
INPUT POWER
10uF,6.3V ⁺
+5V
.1uF
<< P_READY
>> PWM IN
(20KHz-1MHz)
47pF
<< DSPS_DR
D1
1N5819
8
3
7
2
4
6
1
5
Vcc
BST
GND
TG
PRDY
EN
DRN
CO
DELAY _C BG
OVP_S
DSPS_DR
S_MOD PGND
14
13
12
9
11
10
SC1405D
+
+
+
.22uF
2.2
2.2
SC1405D
MTB75N03
75A,30V
MTB75N03
75A,30V
+
+
+
<<< Output Feedback to PWM
Controller
Ov er-Voltage Sense
Timing Diagram
 2005 Semtech Corp.
5
www.semtech.com