U6081B Datasheet, PDF (4/8 Pages) TEMIC Semiconductors – PWM Power Control with Low Duty Cycle Switch Off

U6081B
Absolute Maximum Ratings
Parameters
Junction temperature
Ambient temperature range
Storage temperature range
Symbol
Value
Unit
T_j
150
°C
T_amb
–40 to +110
°C
T_stg
–55 to +125
°C
Thermal Resistance
Junction ambient
Parameters
Symbol
R_thJA
Maximum
120
Unit
K/W
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 Min
Typ
Max Unit
Current consumption
Supply voltage
Pin 1
Overvoltage detection,
stage 1
I_S
V_Batt
6.8
mA
25
V
Stabilized voltage
Battery undervoltage
detection
I_S = 10 mA
ON
OFF
Pin 1
V_Z
24.5
27.0
V
V_Batt
4.4
5.0
5.6
V
4.8
5.4
6.0
Battery overvoltage detection
Pin 2
Stage 1:
– on
– off
V_Batt
18.3
20.0
21.7
V
16.7
18.5
20.3
Stage 2:
– on
– off
V_Batt
25.5
28.5
32.5
V
19.5
23.0
26.5
Stabilized voltage
I_S = 30 mA
Pin 1
V_Z
Short-circuit protection
Pin 6
18.5
20.0
21.5
V
Short-circuit current
limitation
V_T1 = V_S – V₆
V_T1
85
100
120
mV
Short-circuit detection
V_T2 = V_S – V₆
V_T2
75
V_T1 – V_T2
3
Delay timer short-circuit detection, V_Batt = 12 V Pin 5
Switched off threshold
V_T5 = V_S – V₅
V_T5
9.5
Charge current
I_ch
Discharge current
I_dis
Capacitance current
I₅ = I_ch – I_dis
I₅
13
Voltage doubler
Pin 7
90
105
mV
10
30
mV
9.8
10.1
V
23
mA
3
mA
20
27
mA
Voltage
Oscillator frequency
Internal voltage limitation
Duty cycle 100%
I₇ = 5 mA
(whichever is lower)
V₇
2 V_S
f₇
280
400
520
kHz
V₇
26
27.5
30.0
V
V₇
V_S+14
V_S+15
V_S+16
V
4 (8)
TELEFUNKEN Semiconductors
Rev. A1, 14-Feb-97