u6084b ATMEL Corporation, u6084b Datasheet - Page 8

• Manufacturer Part Number: u6084b
• Description: U6084b Pwm Power Control With Automatic Duty-cycle Reduction
• Manufacturer: ATMEL Corporation

6. Electrical Characteristics (Continued)
T
otherwise specified
8
amb
Parameters
Internal voltage limitation
Gate Output
Voltage
Current
Enable/Disable
Current
Duty Cycle Reduction
Z-voltage
Oscillator
Frequency
Threshold cycle
Upper
Lower
Oscillator current
Frequency tolerance
Note:
= –40 to +110°C, V
1. Reference point is battery ground
U6084B
(Figure 1-1 on page
Batt
= 9V to 16.5V (basic function is guaranteed between 6.0V and 9.0V), reference point ground, unless
1). All other values refer to pin GND (pin 1).
Pin 4
Test Conditions
I
(Whichever is lower)
Pin 14
Low level
V
R
High level, duty cycle 100%
V
V
Pin 2
V
I
Pin 6
V
C
duty cycle = 50%
V
V
13
4
Batt
14
14
2
3
Batt
3
4
14
14
= 500 µA
= 5 mA
= 150
= 0V
open, C
=
= Low level
= High level, I
= 16.5V, T
=
=
= 1V
V
-------- -
V
High,
Low,
TL
S
2
= 470 nF,
2
1
amb
=
=
13
= 110°C,
V
---------------- -
V
--------------
>
T<100
V
T100
V
S
S
I
14
Symbol
±I
V
V
V
V
I
V
I
14
f
osc
f
13
13
14
14
2
1
2
3
4
(V
Min.
0.35
–1.0
0.68
0.65
0.26
–20
1.0
6.9
6.0
26
10
26
S+14
)
(V
Typ.
27.5
0.70
0.67
0.28
–40
V
7.4
0.7
9.9
40
S+15
13
)
(V
1.5
Max.
2000
30.0
0.95
0.72
0.69
13.5
–60
4677C–AUTO–09/05
8.0
0.3
54
S+16
(1)
)
Unit
mA
µA
Hz
µA
Hz
V
V
V