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MFG:MOT Package Cooled:SOP
Part Number: MC33298DW
MFG: MOT
Package Cooled: SOP
Description: The MC33298 is an eight output low side power switch with 8 bit serial input control. The MC33298 is a...
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MC33298DW
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General Description
MC33298DW General Description
The MC33298 is an eight output low side power switch with 8 bit serial input control. The MC33298 is a versatile circuit designed for automotive applications, but is well suited for other environments. The MC33298 incorporates SMARTMOSE technology, with CMOS logic, bipolar/MOS analog circuitry, and DMOS power MOSFETs. The MC33298 interfaces directly with a microcontroller to control various inductive or incandescent loads. The circuit's innovative monitoring and protection features are: very low standby current, cascadable fault reporting, internal 65 V clamp on each output, output specific diagnostics, and independent shutdown of outputs. The MC33298 is parametrically specified over a temperature range of 40°C 3 TA 3 +125°C ambient temperature and 9.0 V 3 VPWR 3 16 V supply. The economical 20 pin DIP and SO24 wide body surface mount plastic packages make the MC33298 very cost effective.
MC33298DW Maximum Ratings
| Rating | Symbol | Value | Unit |
| Power Supply Voltage SteadyState Transient Conditions (Note1) |
VPWR(sus) VPWR(pk) |
1.5 to 26.5 13 to 60 |
V |
| Logic Supply Voltage (Note 2) | VDD | 0.3 to 7.0 | V |
| Input Pin Voltage (Note 3) | VIN | 0.3 to 7.0 | V |
| Output Clamp Voltage (Note 4) VOUT(off) V (2.0 mA 3 Iout 3 0.5 A) |
VOUT(off) | 50 to 75 | V |
| Output SelfLimit Current | IOUT(lim) | 3.0 to 6.0 | A |
| Continuous Per Output Current (Note 5) | IOUT(cont) | 1.0 | A |
| ESD Voltage Human Body Model (Note 6) Machine Model (Note 7) |
VESD1 VESD2 |
2000 200 |
V |
| Output Clamp Energy (Note 8) Repetitive: TJ = 25°C TJ = 125°C NonRepetitive: TJ = 25°C TJ = 125°C |
Eclamp | 100 30 2.0 0.5 |
mJ J |
| Recommended Frequency of SPI Operation (Note 9) | fSPI | 2.0 | MHz |
| Storage Temperature | Tstg | 55 to +150 | °C |
| Operating Case Temperature | TC | 40 to +125 | °C |
| Operating Junction Temperature | TJ | 40 to +150 | °C |
| Power Dissipation (TA = 25°C) (Note 10) | PD | 3.0 | W |
| Soldering Temperature (for 10 seconds) | Tsolder | 260 | °C |
| Thermal Resistance, JunctiontoAmbient (Note 11) Plastic Package, Case 738: All Outputs "On" (Note 12) Single Output "On" (Note 13) SOP24 Package, Case 751E: All Outputs "On" (Note 12) Single Output (Note 13) |
RqJA | 31 37 34 40 |
°C/W |
2. Exceeding these limits may cause a malfunction or permanent damage to the device.
3. Exceeding voltage limits on SCLK, SI, CSB, SFPD, or Reset pins may cause permanent damage to
the device.
4. With output "off."
5. Continuous output rating so long as maximum junction temperature is not exceeded. (See Figure 21 and
22 for more details).
6. ESD1 testing is performed in accordance with the Human Body Model (CZap = 100 pF, RZap = 1500 W).
7. ESD2 testing is performed in accordance with the Machine Model (CZap = 100 pF, RZap = 0 W).
8. Maximum output clamp energy capability at indicated Junction Temperature using single pulse method. See Figure 19 for more details.
9. Guaranteed and production tested for 2.0 MHz SPI operation but has been demonstrated to operate to 8.5 MHz @ 25°C.
10. Maximum power dissipation at indicated junction temperature with no heat sink used. See Figures 20, 21, and 22 for more details.
11. See Figure 20 for Thermal Model.
12. Thermal resistance from JunctiontoAmbient with all outputs "on" and dissipating equal power.
13. Thermal resistance from JunctiontoAmbient with a single output "on."
MC33298DW Features
• Designed to Operate Over Wide Supply Voltages of 5.5 V to 26.5 V
• Interfaces Directly to Microprocessor Using SPI Protocol
• SPI Communication for Control and Fault Reporting
• 8Bit Serial I/O is CMOS Compatible
• 3.0 A Peak Current Outputs with Maximum RDS(on) of 0.45 W at 25°C
• Outputs are Current Limited to 3.0 A to 6.0 A for Driving Incandescent Lamp Loads
• Output Voltages Clamped to 65 V During Inductive Switching
• Maximum Sleep Current (IPWR) of 50 mA with VDD 3 2.0 V
• Maximum of 4.0 mA IDD During Operation
• Maximum of 2.0 mA IPWR During Operation with All Outputs "On"
• Open Load Detection (Outputs "Off")
• Overvoltage Detection and Shutdown
• Each Output has Independent Over Temperature Detection and Shutdown
• Output Mode Programmable for Sustained Current Limit or Shutdown
• Short Circuit Detect and Shutdown with Automatic Retry for Every Write Cycle
• Serial Operation Guaranteed to 2.0 MHz
• Interfaces Directly to Microprocessor Using SPI Protocol
• SPI Communication for Control and Fault Reporting
• 8Bit Serial I/O is CMOS Compatible
• 3.0 A Peak Current Outputs with Maximum RDS(on) of 0.45 W at 25°C
• Outputs are Current Limited to 3.0 A to 6.0 A for Driving Incandescent Lamp Loads
• Output Voltages Clamped to 65 V During Inductive Switching
• Maximum Sleep Current (IPWR) of 50 mA with VDD 3 2.0 V
• Maximum of 4.0 mA IDD During Operation
• Maximum of 2.0 mA IPWR During Operation with All Outputs "On"
• Open Load Detection (Outputs "Off")
• Overvoltage Detection and Shutdown
• Each Output has Independent Over Temperature Detection and Shutdown
• Output Mode Programmable for Sustained Current Limit or Shutdown
• Short Circuit Detect and Shutdown with Automatic Retry for Every Write Cycle
• Serial Operation Guaranteed to 2.0 MHz
MC33298DW
PDF/DataSheet Download
- Datasheet: MC33298DW
- File Size: 287036 KB
- Manufacturer: MOTOROLA [Motorola, Inc]
- Click here to Download
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