CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Electrical Specifications
T
A
= -40
o
C to +85
o
C, V
CC
= 16V Unless Otherwise Specified
SYMBOL
V
CC
I
CC
MIN
8
-
TYP
-
8
MAX
16
20
UNITS
V
mA
PARAMETERS
Operating Supply Voltage Range
Supply Current (Note 1)
INPUT LEVELS
Logic Input, Low Voltage
Logic Input, High Voltage
Logic Input, Low Current, V
IL
= 0V
Logic Input, High Current, V
IH
= 5V
OUTPUT: RLA = RLB = 138Ω
Maximum Source Saturated Voltage
Maximum Sink Saturated Voltage
Differential V
SAT
Voltage, Both Outputs Saturated
V
IL
V
IH
I
IL
I
IH
-
3.5
-10
-
-
-
-
-
0.8
-
-
10
V
V
µA
µA
V
SAT
- High
V
SAT
- Low
Diff - V
SAT
-
-
-
1.2
0.25
10
1.75
0.5
100
V
V
mV
Switching Specifications
PARAMETERS
SOURCE CURRENT (See Figure 3)
Turn-Off Delay
Fall Time
Turn-On Time
Rise Time
SINK CURRENT (See Figure 4)
Turn-Off Delay
Fall Time
Turn-On Time
Rise Time
NOTE:
1. No load, PWMA = PWMB = 5V, DIR A = DIR B = 0V
T
SK-OFF
T
SK-F
T
SK-ON
T
SK-R
-
-
-
-
-
-
-
-
1.6
0.4
0.6
0.2
µs
µs
µs
µs
T
SC-OFF
T
SC-F
T
SC-ON
T
SC-R
-
-
-
-
-
-
-
-
2
2.2
1
0.4
µs
µs
µs
µs
SYMBOL
MIN
TYP
MAX
UNITS
6-4
CA3275
V
CC
SHORT
CIRCUIT
PROTECTION
Q1
POWER
DIRA
COIL A–
PWMA
Q2
POWER
SHORT
CIRCUIT
PROTECTION
Q3
POWER
COIL A+
Q4
POWER
V
CC
SHORT
CIRCUIT
PROTECTION
SHORT
CIRCUIT
PROTECTION
INTERNAL VOLTAGE
SUPPLY WITH
BANDGAP REFERENCE
OVERVOLTAGE PROTECTION
AND THERMAL SHUTDOWN
CIRCUITS
SHORT
CIRCUIT
PROTECTION
V
CC
SHORT
CIRCUIT
PROTECTION
Q7
POWER
Q5
POWER
DIRB
COIL B–
PWMB
Q6
POWER
COIL B+
Q8
POWER
SHORT
CIRCUIT
PROTECTION
SHORT
CIRCUIT
PROTECTION
FIGURE 1. CA3275 DUAL FULL BRIDGE DRIVER SCHEMATIC
FIGURE 3. SOURCE SWITCHING TEST CIRCUIT AND VOLTAGE WAVEFORMS
TEST CONDITIONS: V
S
= 16V
DIR = 0V WHEN TESTING COIL - OUTPUT
DIR = 4V WHEN TESTING COIL + OUTPUT
V
S
R
L
DIR
DUT
PWM
150
COIL
C
L
C
L
INCLUDES PROBE AND TEST FIXTURE CAPACITANCE
30pF
TEST CIRCUIT 2
50%
PWM PULSE PARAMETERS:
F = 1kHz, W = 100µs, TR = TF = 1µs, AMPL = 4V
T
SK-ON
T
SK-R
T
SK-OFF
T
SK-F
PWM PULSE
10%
COIL OUTPUT
90%
FIGURE 4. SINK SWITCHING TEST CIRCUIT AND VOLTAGE WAVEFORMS
6-6
All Intersil semiconductor products are manufactured, assembled and tested under
ISO9000
quality systems certification.
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice.
Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reli-
able. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may
result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
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