Datasheet

Data Sheet 9 Rev. 2.0, 2004-10-01
TCA 3727
Table 5 Characteristics
V
S
= 40 V; V
L
= 5 V; -25 °C ≤ T
j
≤ 125 °C
Parameter Symbol Limit Values Unit Test Condition
Min. Typ. Max.
Current Consumption
from +V
S
I
S
–0.20.5mAV
inh
= L
from +
V
S
I
S
–1620mAV
inh
= H
I
Q1/2
= 0, IXX = L
from +
V
L
I
L
–1.73mAV
inh
= L
from +
V
L
I
L
–1825mAV
inh
= H
I
Q1/2
= 0, IXX = L
Oscillator
Output charging current
I
OSC
– 110 – µA–
Charging threshold
V
OSCL
–1.3–V–
Discharging threshold
V
OSCH
–2.3–V–
Frequency
f
OSC
18 25 35 kHz C
OSC
= 2.2 nF
Phase Current Selection (
R
1
; R
2
)
Current Limit Threshold
No current
V
sense n
– 0 – mV IX0 = H; IX1 = H
Hold
V
sense h
200 250 300 mV IX0 = L; IX1 = H
Setpoint
V
sense s
460 540 620 mV IX0 = H; IX1 = L
Accelerate
V
sense a
740 825 910 mV IX0 = L; IX1 = L
Logic Inputs (IX1; IX0; Phase x)
Threshold
V
I
1.4
(H→L)
–2.3
(L→H)
V–
L-input current
I
IL
-10 – – µA V
I
= 1.4 V
L-input current
I
IL
-100 – – µA V
I
= 0 V
H-input current
I
IH
––10µA V
I
= 5 V
Standby Cutout (inhibit)
Threshold
V
Inh
(L→H)
234V–
Threshold
V
Inh
(H→L)
1.7 2.3 2.9 V –
Hysteresis
V
Inhhy
0.3 0.7 1.1 V –