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參數(shù)資料
| 型號： | U6081B |
| 英文描述： | PWM Power Control with Low Duty Cycle Switch Off |
| 中文描述： | PWM功率控制關(guān)閉低占空比開關(guān) |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 121K |
| 代理商： | U6081B |
U6081B
TELEFUNKEN Semiconductors
Rev. A1, 14-Feb-97
4 (8)
Absolute Maximum Ratings
Parameters
Symbol
T
j
T
amb
T
stg
Value
150
Unit
°
C
°
C
°
C
Junction temperature
Ambient temperature range
Storage temperature range
–40 to +110
–55 to +125
Thermal Resistance
Parameters
Symbol
R
thJA
Maximum
120
Unit
K/W
Junction ambient
Electrical Characteristics
T
amb
= –40 to +110
°
C, V
Batt
= 9 to 16.5 V, (basic function is guaranteed between 6.0 V to 9.0 V) reference point is
ground, unless otherwise specified (see figure 1). All other values refer to Pin GND (Pin 2).
Parameters
Test Conditions / Pins
Symbol
I
S
V
Batt
Min
Typ
Max
6.8
25
Unit
mA
V
Current consumption
Supply voltage
Pin 1
Overvoltage detection,
stage 1
I
S
= 10 mA
ON
OFF
Stabilized voltage
Battery undervoltage
detection
Battery overvoltage detection
Stage 1:
Pin 1
V
Z
V
Batt
24.5
4.4
4.8
27.0
5.6
6.0
V
V
5.0
5.4
Pin 2
– on
– off
– on
– off
I
S
= 30 mA
V
Batt
18.3
16.7
25.5
19.5
18.5
20.0
18.5
28.5
23.0
20.0
21.7
20.3
32.5
26.5
21.5
V
Stage 2:
V
Batt
V
Stabilized voltage
Short-circuit protection
Pin 6
Short-circuit current
limitation
Short-circuit detection
Pin 1
V
Z
V
V
T1
= V
S
– V
6
V
T1
85
100
120
mV
V
= V
– V
T2
V
T2
75
3
90
10
105
30
mV
mV
S
6
V
T1
– V
T2
Delay timer short-circuit detection,
V
Batt
= 12 V Pin 5
Switched off threshold
Charge current
Discharge current
Capacitance current
Voltage doubler
Pin 7
Voltage
Oscillator frequency
Internal voltage limitation
V
T5
= V
S
– V
5
V
T5
I
ch
I
dis
I
5
9.5
9.8
23
3
20
10.1
V
A
A
mA
I
5
= I
ch
– I
dis
13
27
Duty cycle 100%
V
7
f
7
V
7
V
7
2 V
S
280
26
V
S+14
400
27.5
V
S+15
520
30.0
V
S+16
kHz
V
V
I
7
= 5 mA
(whichever is lower)
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