LM5101AM/NOPB LM5101AMX/NOPB LM5101ASD/NOPB LM5101ASDX/NOPB Power Path Management IC Gate Drivers 100V 3A Half-Bridge
power management integrated circuit
,microchip battery management
LM5101AM/NOPB LM5101AMX/NOPB LM5101ASD/NOPB LM5101ASDX/NOPB Power Path Management IC Gate Drivers 100V 3A Half-Bridge
1 Features
- Drives Both a High-Side and Low-Side N-Channel MOSFETs
-
Independent High- and Low-Driver Logic Inputs
-
Bootstrap Supply Voltage up to 118 V DC
-
Fast Propagation Times (25-ns Typical)
-
Drives 1000-pF Load With 8-ns Rise and Fall Times
-
Excellent Propagation Delay Matching (3-ns Typical)
-
Supply Rail Undervoltage Lockout
-
Low Power Consumption
-
Pin Compatible With HIP2100/HIP2101
2 Applications
-
Current-Fed Push-Pull Converters
-
Half and Full Bridge Power Converters
-
Synchronous Buck Converters
-
Two Switch Forward Power Converters
-
Forward with Active Clamp Converters
3 Description
The LM5100A/B/C and LM5101A/B/C high-voltage gate drivers are designed to drive both the high-side and the low-side N-Channel MOSFETs in a synchronous buck or a half-bridge configuration. The floating high-side driver is capable of operating with supply voltages up to 100 V. The A versions provide a full 3-A of gate drive, while the B and C versions provide 2 A and 1 A, respectively. The outputs are independently controlled with CMOS input thresholds (LM5100A/B/C) or TTL input thresholds (LM5101A/B/C).
An integrated high-voltage diode is provided to charge the high-side gate drive bootstrap capacitor. A robust level shifter operates at high speed while consuming low power and providing clean level transitions from the control logic to the high-side gate driver. Undervoltage lockout is provided on both the low-side and the high-side power rails. These devices are available in the standard SOIC-8 pin, SO PowerPAD-8 pin, and the WSON-10 pin packages. The LM5100C and LM5101C are also available in MSOP-PowerPAD-8 package. The LM5101A is also available in WSON-8 pin package.
Device Information
|
PART NUMBER |
INPUT THRESHOLD |
PEAK OUTPUT CURRENT |
|
LM5100A |
CMOS |
3A |
|
LM5101A |
TTL |
3A |
|
LM5100B |
CMOS |
2A |
|
LM5101B |
TTL |
2A |
|
LM5100C |
CMOS |
1A |
|
LM5101C |
TTL |
1A |
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