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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•...

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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 Tr...

MC33997 Data Sheet

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Part Number:
MC33997
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



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


Pinout

Connection Diagram


Specifications

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



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