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MFG:MOTOROLA Package Cooled:SMD D/C:00+
- Table of contents:
MC33997
-
Suppliers
DataSheet
General Description
MC33997 Maximum Ratings
|
Rating |
Symbol |
Value |
Unit |
| Main Supply Voltage |
VPWR |
-0.3 to 45 |
V |
| Keep-Alive Supply Voltage |
KA_VPWR |
-0.3 to 45 |
V |
| Switching Node |
VSW |
-0.5 to 45 |
V |
| 5.0 V Input Power |
VDDH |
-0.3 to 6.0 |
V |
| Sensor Supply |
VREF1 VREF2 |
-0.3 to 18 -0.3 to 18 |
V |
| Keep-Alive Supply Voltage |
VKAM |
-0.3 to 6.0 |
V |
| Maximum Voltage at Logic I/O Pins |
EN SNSEN PWROK VKAMOK |
-0.3 to 6.0 -0.3 to 6.0 -0.3 to 6.0 -0.3 to 6.0 |
V |
| Charge Pump Reservoir Capacitor Voltage |
CRES |
-0.3 to 18 |
V |
| Error Amplifier Summing Node |
VSUM |
-0.3 to 6.0 |
V |
| Switching Regulator Output Feedback |
FBKB |
-0.3 to 6.0 |
V |
| VDDL Base Drive |
DRVL |
-0.3 to 6.0 |
V |
| VDDL Feedback |
FBL |
-0.3 to 6.0 |
V |
| ESD Voltage Human Body Model (all pins) (Note 1) Machine Model (all pins) (Note 2) |
VESD1 VESD2 |
±500 ±100 |
V |
| Power Dissipation (TA = 25°C) (Note 3) |
PD |
800 |
mW |
| Thermal Resistance, Junction to Ambient (Note 4), (Note 5) |
RJ-A |
60 |
°C/W |
| Thermal Resistance, Junction to Board (Note 6) |
RJ-B |
20 |
°C/W |
| Operational Package Temperature [Ambient Temperature] (Note 7) |
TA |
-40 to 125 |
°C |
| Operational Junction Temperature |
TJ |
-40 to 150 |
°C |
| Storage Temperature |
TSTG |
-55 to 150 |
°C |
| Lead Soldering Temperature (Note 8) |
TS |
260 |
°C |
MC33997 Features
• Operating Voltage Range 6.0 V up to 26.5 V (40 V transient)
• Step-Down Switching Regulator Output VDDH = 5.0 V @ 1400 mA (total)
• Linear Regulator with External Pass Transistor VDDL = 3.3 V @ 400 mA
• Low-Power Standby Linear Regulator VKAM = 3.3 V @ 10 mA
• Two 5.0 V @ 200 mA (typical) Sensor Supplies VREF Protected Against Short-to-Battery and Short-to-Ground with Retry Capability
• Undervoltage Shutdown on the VDDL, VDDH Outputs with Retry Capability
• Reset Signals
• Power-Up Delay
• Enable Pins for Main Supplies (EN) and Sensor Supplies (SNSEN)
• Power Sequencing for Advanced Microprocessor Architectures
• SOIC-24WB Package
• Step-Down Switching Regulator Output VDDH = 5.0 V @ 1400 mA (total)
• Linear Regulator with External Pass Transistor VDDL = 3.3 V @ 400 mA
• Low-Power Standby Linear Regulator VKAM = 3.3 V @ 10 mA
• Two 5.0 V @ 200 mA (typical) Sensor Supplies VREF Protected Against Short-to-Battery and Short-to-Ground with Retry Capability
• Undervoltage Shutdown on the VDDL, VDDH Outputs with Retry Capability
• Reset Signals
• Power-Up Delay
• Enable Pins for Main Supplies (EN) and Sensor Supplies (SNSEN)
• Power Sequencing for Advanced Microprocessor Architectures
• SOIC-24WB Package
MC33997 Connection Diagram
MC33997
PDF/DataSheet Download
- Datasheet: MC33997
- File Size: 263913 KB
- Manufacturer: Motorola
- Click here to Download
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