Datasheet

www.ti.com
+
L
O
A
D
PTH04000W
R
6.65k
0.05W,1%
SET
Ù
V =5V
I
V =1.8V
O
GND
Track
Inhibit
Inhibit
GND
GND
V Adj
O
V
O
V
I
3
2
5
6
1
4
C1
47 F
(Required)
µ
C
47 F
(Optional)
O
µ
Q1
BSS138
t-Time=10ms/div
V (1V/div)
O
I (500mA/div)
I
V (10V/div)
(INH)
PTH04000W
SLTS247B – JUNE 2005 – REVISED OCTOBER 2007
Figure 12. On/Off Inhibit Control Circuit
Figure 13. Power Up Response From Inhibit Control
Copyright © 2005 – 2007, Texas Instruments Incorporated Submit Documentation Feedback 13
Product Folder Link(s): PTH04000W