ca3262a Intersil Corporation, ca3262a Datasheet

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ca3262a

Manufacturer Part Number
ca3262a
Description
Quad-gated, Inverting Power Drivers
Manufacturer
Intersil Corporation
Datasheet

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August 1997
Features
• Independent Over-Current Limiting On Each Output
• Independent Over-Temperature Limiting On Each Output
• Output Drivers Capable of Switching 700mA Load
• Inputs Compatible With TTL or 5V CMOS Logic
• Suitable For Resistive, Lamp or Inductive Loads
• Power-Frame Package Construction For Good Heat
• Operating Temperature Ranges
Applications
• Solenoids
• Relays
• Lamps
• Steppers
• Small Motors
• Displays
Ordering Information
Pinouts
CLAMP
CLAMP
CA3262E
CA3262AE
CA3262AQ
CA3262AM
OUT A
OUT B
OUT C
OUT D
PART NUMBER
Dissipation
- CA3262A . . . . . . . . . . . . . . . . . . . . . . . -40
- CA3262 . . . . . . . . . . . . . . . . . . . . . . . . . -40
GND
GND
CA3262, CA3262A (PDIP)
1
2
3
4
5
6
7
8
TOP VIEW
RANGE (
-40 to 125
-40 to 125
-40 to 125
-40 to 85
TEMP.
16
15
14
13
12
11
10
9
System Applications
• Automotive
• Appliances
• Industrial Controls
• Robotics
IN A
IN B
ENABLE
GND
GND
V
IN C
IN D
o
CC
C)
16 Ld PDIP
16 Ld PDIP
28 Ld PLCC
24 Ld SOIC (W)
GND
GND
GND
GND
GND
GND
GND
PACKAGE
INDEX
10
11
5
6
7
8
9
12 13 14 15 16 17 18
4
o
C to 125
o
CA3262A, CA3262
CA3262A (PLCC)
C to 85
3
E16.3
E16.3
N28.45
M24.3
TOP VIEW
PKG.
2
NO.
1
o
o
C
C
28
1
27
Description
The CA3262 and CA3262A are used to interface low-level
logic to high current loads. Each Power Driver has four
inverting switches consisting of a non-inverting logic input
stage and an inverting low-side driver output stage. All inputs
are 5V TTL/CMOS logic compatible and have a common
Enable input. Each output device has independent current
limiting (I
over-load conditions. Steering diodes connected from each
output (in pairs) to the Clamp pins may be used in
conjunction with external zener diodes to protect the IC
against over-voltage transients that result from inductive load
switching.
To allow for maximum heat transfer from the chip, all ground
pins on the DIP, PLCC and SOIC packages are directly
connected to the mounting pad of the chip. Integral heat
spreading lead frames directly connect the bond pads and
ground leads to conduct heat from the chip junction to the
PC Board for good heat dissipation.
The CA3262 and CA3262A can drive four incandescent
lamp loads without modulating their brilliance when the
“cold” lamps are energized. Outputs may be parallel
connected to drive high current loads. The maximum output
current of each output is determined by the over-current lim-
iting threshold which is typically 1.2A but may be as low as
0.7A.
Quad-Gated, Inverting Power Drivers
26
25
24
23
22
21
20
19
LIM
GND
GND
GND
GND
GND
GND
GND
) and thermal limiting (T
CLAMP
CLAMP
OUT A
OUT B
OUT C
OUT D
GND
GND
GND
GND
NC
NC
10
11
12
1
2
3
4
5
6
7
8
9
CA3262A (SOIC)
PRELIMINARY
TOP VIEW
LIM
File Number
) for protection from
24
23
22
21
20
19
18
17
16
15
14
13
IN A
IN B
ENABLE
NC
GND
GND
GND
GND
NC
V
IN C
IN D
CC
1836.6

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ca3262a Summary of contents

Page 1

... Output Drivers Capable of Switching 700mA Load • Inputs Compatible With TTL or 5V CMOS Logic • Suitable For Resistive, Lamp or Inductive Loads • Power-Frame Package Construction For Good Heat Dissipation • Operating Temperature Ranges - CA3262A . . . . . . . . . . . . . . . . . . . . . . . -40 - CA3262 . . . . . . . . . . . . . . . . . . . . . . . . . -40 Applications System Applications • Solenoids • Automotive • ...

Page 2

... INPUTS FIGURE 2. QUAD INVERTING POWER DRIVER (QDR) SHOWN WITH TYPICAL APPLICATION LOADS CA3262A, CA3262 CONSTANT OUT D CURRENT SOURCES CLAMP OUT C INPUT OUT B ENABLE CLAMP FIGURE 1. CA3262A EQUIVALENT SCHEMATIC OF ONE INPUT STAGE OUT A OUT LIM I LIM T LIM I LIM ...

Page 3

... Thermal Information Thermal Resistance (Typical, Note 3) For PC Mount Without Added Copper Ground Area CA3262E (PDIP CA3262AE (PDIP CA3262AQ (PLCC CA3262AM (SOIC For PC Mount With 2 sq. in. of Added Copper Ground Area CA3262E (PDIP ...

Page 4

... The total DC current for the CA3262 and CA3262A with all 4 outputs ON should not exceed the total 0.7A + Max current will significantly increase the chip temperature due to increased dissipation and may cause thermal shutdown in high ambient tem- perature conditions (See Absolute Maximum Ratings for Dissipation) ...

Page 5

... PHL V OUT (ON) (2) (4) (12) (14 PLH 0 -40 - AMBIENT TEMPERATURE ( FIGURE 4C. TYPICAL PROPAGATION DELAY TIME CHARAC- TERISTICS FIGURE 4. TYPICAL CHARACTERISTICS OF THE CA3262E CA3262A, CA3262 I B CURRENT AMPLIFIER BANDGAP VOLT. REF. CURRENT SENSE SUPPLY VOLTAGE (V 0.7 0.6 0 250mA (EACH) 0.4 0.3 0.2 0.1 -40 ...

Page 6

... AMBIENT TEMPERATURE ( FIGURE 5C. TYPICAL PROPAGATION DELAY TIME CHARACTERISTICS FIGURE 5. TYPICAL CHARACTERISTICS OF THE CA3262AE AND CA3262AQ 2 1.5 1 PACKAGE DERATING WITHOUT HEAT SINK 0 CA3262AQ (PLCC CA3262AE (PDIP), CA3262AM (SOIC AMBIENT TEMPERATURE ( FIGURE 6A. DISSIPATION RATING CHART FOR PLCC, PDIP ...

Page 7

... Dambar protrusions shall not exceed 0.010 inch (0.25mm the maximum number of terminal positions. 10. Corner leads (1, N, N/2 and N for E8.3, E16.3, E18.3, E28.3, E42.6 will have a B1 dimension of 0.030 - 0.045 inch (0.76 - 1.14mm). CA3262A, CA3262 E16.3 (JEDEC MS-001-BB ISSUE D) 16 LEAD DUAL-IN-LINE PLASTIC PACKAGE SYMBOL ...

Page 8

... To be measured at seating plane 5. Centerline to be determined where center leads exit plastic body. 6. “N” is the number of terminal positions. CA3262A, CA3262 N28.45 (JEDEC MS-018AB ISSUE A) 0.004 (0.10 LEAD PLASTIC LEADED CHIP CARRIER PACKAGE ...

Page 9

... 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. For information regarding Intersil Corporation and its products, see web site http://www.intersil.com CA3262A, CA3262 M24.3 (JEDEC MS-013-AD ISSUE C) ...

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