Datasheet

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COMP
FB
MGU
MGD
ISNS
VO
GM
TRKOUT
TPS40100
4TRKIN
+
Reference
Select
0.725 V
0.711 V
0.690 V
0.669 V
0.655 V
SS
+
+
+
Current
Mirror
+
+
1.5 V
Oscillator
7 22
+
PWM
RT SYNC
5
UVLO
+
1.33 V
CLK
Adaptive
Gate
Drive
and
Prebias
Control
CLK
OC
FAULT
UVLO
OC/SS
Controller
1.48 V
OC
6
ILIM
CLK
OC
10
SS
Housekeeping
8
BIAS
21 PG
18 VDD
Reference
Voltages
FAULT
15 BST
17 SW
16 HDRV
14 5VBP
12 PGND
13 LDRV
10 µA
UDG−04142
9
GND
THERMSD
20 kΩ
TPS40100
SLUS601–MAY 2005
FUNCTIONAL BLOCK DIAGRAM
7