mc33285dr2 Freescale Semiconductor, Inc, mc33285dr2 Datasheet - Page 7

• Manufacturer Part Number: mc33285dr2
• Description: Dual High-side Tmos Driver
• Manufacturer: Freescale Semiconductor, Inc

capacities with a current flowing out of pins OUT1 and OUT2.
During PWM, the values of table below are guaranteed. They
controlling the current sources I
flowing through the external or the internal zener diode.
(V
• Threshold V
• Threshold V
Analog Integrated Circuit Device Data
Freescale Semiconductor
CC
The power FETs are turned ON by charging their gate
The output voltages at OUT1 and OUT2 are limited by
When voltage power supply plus threshold voltage
7.0 V < V
7.0 V < V
+ V
TH
V
IN
OUT1MAX
) is reached, the current sources are turned OFF.
V
IN
TH1
TH2
V
5.0 V
2.5 V
OUT2
V
CCP
7.0 V < V
10 V < V
20 V < V
2.5 V
OUT1
TH1
TH2
VOLTAGE V
0 V
0 V
< V
< 15 V
for OUT2 output voltage control is
for OUT1 output voltage control is
Z
VCC
VCC
VCC
t
ON1
0
< 20 V
< 40 V
< 10 V
VCC
t
ON2
ON1
t
ON3
20 ms
, I
ON2
AFTER T
MINIMUM V
to avoid current
FUNCTIONAL DESCRIPTION
V
V
V
VCC
VCC
VCC
ON1
Figure 4. Turn On Behavior
OUT
- 0.7 V
- 0.7 V
- 0.7 V
= 100 µSEC
1, OUT2
INTRODUCTION
AFTER T
MINIMUM V
are measured with 8.0 nF on OUT1 and 16 nF on OUT2. Test
condition V
Turn Off Characteristics
discharging the gate capacity with the constant discharge
current I
• Discharge current I
• Test conditions for switching OFF the power FETs:
IN
V
1. IN open
2. Stages disabled via pin IN
3. Stage OUT1 disabled by an over current error
The power FETs on OUT1 and OUT2 are turned OFF by
condition: V
IN
THRIN2
THRIN1
OUT2MAX
V
V
V
V
VCC
VCC
V
OUT1
OUT2
5.0 V
2.5 V
OUT2
ON2
OUTOFF
0 V
+ 5.95 V
+ 9.35 V
OUT
IN
= 1.0 µSEC
: ramp 0 V ≤ 2.5 V or 2.5 V ≤ 5.0 V.
1,OUT2
OUT
t
.
ON1
0
x > 0.5 V ( V
t
ON2
OUTxOFF
t
ON3
AFTER T
MINIMUM V
is I
IN
V
V
FUNCTIONAL DESCRIPTION
VCC
VCC
OUTxOFF
< V
ON3
+ 7.0 V
THRxIN
+ 11 V
OUT
= 1.5 µSEC
1,OUT2
= 110 µA
INTRODUCTION
)
V
VCC
+ 7.0
33285
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