TLE 6365

Data Sheet Rev. 1.7

7

2003-06-02

1.6.4.1 Logic supply voltage

4.9

5.1

V

400mA;

see. appl.

circuit

1.6.4.2 Efficiency; see. appl. circuit

η

85

%

400mA;

1.6.4.3 Power-Stage ON

resistance

0.38 0.5

Ω

1.6.4.4 Power-Stage ON

resistance

1.0

Ω

0.7

0.9

1.2

A

500

µA

1.6.4.7 Buck Gate supply voltage;

57.2

10

V

1.6.5

Reference Input ; R

(Oscillator; Timebase for Buck-Converter and Reset)

1.6.5.1 Voltage on pin R

V

R

1.4

V

R

1.6.5.2 Oscillator frequency

f

OSC

85

95

105

kHz

T

1.6.5.3 Oscillator frequency

f

OSC

75

115

kHz

1.6.5.4 Cycle time for reset timing

t

CYL

1ms

t

f

OSC

1.6

Electrical Characteristics (cont’d)

8V<

V

all voltages with respect to ground; positive current defined flowing into the pin; unless otherwise specified

No.

Parameter

Symbol

Limit Values

Unit Test

Condition

min. typ.

max

.