U6084B_05 Datasheet, PDF (8/11 Pages) ATMEL Corporation – PWM Power Control with Automatic Duty-cycle Reduction

6. Electrical Characteristics (Continued)
T_amb = –40 to +110°C, V_Batt = 9V to 16.5V (basic function is guaranteed between 6.0V and 9.0V), reference point ground, unless
otherwise specified (Figure 1-1 on page 1). All other values refer to pin GND (pin 1).
Parameters
Test Conditions
Symbol
Min.
Typ.
Max. Unit
Internal voltage limitation
Gate Output
I₁₃ = 5 mA
(Whichever is lower)
Pin 14
V₁₃
26
27.5
30.0
V
V₁₃
(V_S+14) (V_S+15) (V_S+16)
Voltage
Current
Enable/Disable
Low level
V_Batt = 16.5V, T_amb = 110°C,
R₃ = 150Ω
High level, duty cycle 100%
V₁₄ = Low level
V₁₄ = High level, I₁₃ > ⏐ I₁₄⏐
Pin 2
V₁₄
0.35
0.70
0.95
1.5⁽¹⁾
V
V₁₄
V₁₃
I₁₄
1.0
mA
–1.0
Current
Duty Cycle Reduction
V₂ = 0V
Pin 4
I₂
–20
–40
–60
µA
Z-voltage
Oscillator
I₄ = 500 µA
V₄
6.9
7.4
8.0
V
Frequency
Pin 6
f
10
2000
Hz
Threshold cycle
Upper
V₁₄
=
High,
α₁
=
V-----_{T---1--0---0-}
V_S
α₁
0.68
0.7
0.72
Lower
V₁₄
=
Low, α₂
=
V-----_{T---<--1---0---0}
V_S
α₂
0.65
0.67
0.69
α₃
=
V-----_T---L-
V_S
Oscillator current
Frequency tolerance
V_Batt = 1V
C₄ open, C₂ = 470 nF,
duty cycle = 50%
Note: 1. Reference point is battery ground
α₃
±I_osc
f
0.26
0.28
0.3
26
40
54
µA
6.0
9.9
13.5
Hz
8 U6084B
4677C–AUTO–09/05