Datasheet

TLE 6365
Data Sheet 7 Rev. 1.9, 2007-07-30
Buck-Converter; BUO, BDS, BUC and V
CC
Logic supply voltage V
CC
4.9 – 5.1 V 1 mA < I
CC
< 400 mA;
see Figure 6
Efficiency;
see Figure 6
η –85–%
I
CC
= 400 mA;
V
S
= 14 V
Power-Stage ON
resistance
R
BUON
–0.380.5Ω T
j
= 25 °C;
I
BUO
= 0.6 A
Power-Stage ON
resistance
R
BUON
–– 1.0Ω I
BUO
= 0.6 A
Buck overcurrent
threshold
I
BUOC
0.7 0.9 1.2 A –
Input current on pin
V
CC
I
CC
–– 500µA V
CC
= 5 V
Buck Gate supply
voltage;
V
BGS
= V
S
- V
BDS
V
BGS
57.210V–
Reference Input; R (Oscillator; Timebase for Buck-Converter and Reset)
Voltage on pin R
V
R
–1.4– VR
R
= 100 kΩ
Oscillator frequency
f
OSC
85 95 105 kHz T
j
= 25 °C
Oscillator frequency
f
OSC
75 – 115 kHz –
Cycle time for reset
timing
t
CYL
–1 –mst
CYL
= 100 / f
OSC
Table 4 Electrical Characteristics (cont’d)
8 V <
V
S
< 35 V; 4.75 V < V
CC
< 5.25 V; -40 °C < T
j
< 150 °C; R
R
= 47 kΩ; all voltages
with respect to ground; positive current defined flowing into the pin; unless otherwise
specified
Parameter Symbol Limit Values Unit Test Condition
Min. Typ. Max.