Analog Devices LTC7840HFE#PBF DC DC Switching Controllers
Boost Regulator Positive Output Step-Up DC-DC Controller IC 28-TSSOP-EP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC7840HFE#PBF
Detailed Description
DUAL PHASE/OUTPUT NON-SYNCH BOOS
Package
28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Key Features
Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LTC7840HFE#PBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC7840HFE#PBF DC DC Switching Controllers technical specifications.
General
Package / Case
28-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
5.5V ~ 60V
Lifecycle Status
Active
Output Type
PWM
Switching Frequency
50kHz ~ 425kHz
Number of Outputs
2
Topology
Boost
Control Features
Current Limit, Enable, Frequency Control, Power Good
Alternate Parts Comparison (LTC7840HFE#PBF vs LTC7840EFE#PBF vs LTC3892HFE-1#PBF vs LTC3892EFE-1#TRPBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-TSSOP | 28-TSSOP | 28-TSSOP | 28-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 5.5V ~ 60V | 5.5V ~ 60V | 4.5V ~ 60V | 4.5V ~ 60V |
| Switching Frequency | 50kHz ~ 425kHz | 50kHz ~ 425kHz | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| Clock Sync | Yes | Yes | No | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good | Current Limit, Enable, Frequency Control, Power Good | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Duty Cycle Max | 96% | 96% | 99% | 99% |
| Function | Step-Up | Step-Up | Step-Down | Step-Down |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Phases | 2 | 2 | 2 | 2 |
| Action |
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