Datasheet

Data Sheet 14 Rev. 1.9, 2007-07-30
TLE 6365
Diagrams: Oscillator and Boost/Buck-Converter Performance
In the following the behaviour of the Boost/Buck-converter and the oscillator is shown.
Efficiency Buck vs.
Boost Voltage
Feedback Voltage vs. Junction
Temperature
Oscillator Frequency Deviation vs.
Junction Temperature
Buck Overcurrent Threshold vs.
Junction Temperature
AED03017
S
V
65
5
η
15 25 V 30
70
75
80
85
90
%
95
V
CC
= 5 V
Load
I = 120 mA
80 mA
40 mA
AED03356.VSD
4.80
°C
4.85
4.90
4.95
5.00
5.05
5.10
5.15
T
j
V
V
CC
-50 -25 0 25 50 75 100 150
I
BUO
= 400 mA
AED03016
j
T
-15
∆ f
OSC
-10
-5
0
5
kHz
10
-50 -25 0 25 50 75 100 ˚C 150
j
T = 25 ˚C
Referred to f
OSC
at
AED03018
-50
j
T
-25 0 25 50 75 100 ˚C 150
0.8
I
OC
0.9
1
1.1
1.2
1.3
1.4
A
(Buck-Converter)
I
BUOC