U6083B Datasheet, PDF (9/12 Pages) TEMIC Semiconductors – PWM Power Control with Interference Suppression

U6083B
Electrical Characteristics (Continued)
T_amb = -40°C to +110°C, V_Batt = 9 to 16.5 V, (basic function is guaranteed between 6.0 V to 9.0 V) reference point ground,
unless otherwise specified (see Figure 1 on page 2). All other values refer to pin GND (pin 2).
Parameters
Test Conditions
Pin
Symbol Min. Typ. Max. Unit
Oscillator
Frequency
4
f
10
2000
Hz
Threshold cycle
V₈
=
High,
a₁
=
V_{-----T---1--0---0-}
V_S
a₁
0.68
0.7
0.72
Upper
V₈
=
Low,
a₂
=
V_{-----T---<--1---0--0--}
V_S
a₂
0.65 0.67 0.69
Lower
a₃
=
V_-----T---L-
V_S
Oscillator current
Frequency
V_Batt = 12 V
C₄ open, C₂ = 68 nF
duty cycle = 50%
Note: 1. Reference point is battery ground
a₃
0.26 0.28
0.3
±I_OSC
34
45
54
µA
f
56
75
90
Hz
9
4770A–AUTO–11/03