Silicon Monolithic Integrated Circuit, Step-Down Switching Regulator with integrated Power MOSFET.
Package7 Pins High Power Flat Package (HRP-7)
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Technical Specifications
Rohm BD9776HFP technical specifications.
General
Structure Type
Silicon Monolithic Integrated Circuit
Product Type
Step-Down Switching Regulator with Integrated Power MOSFET
Package
7 Pins High Power Flat Package (HRP-7)
Input Voltage Range (Features)
5 to 35V
Current Capability (Features)
Up to 4A
Reference Voltage Precision
+/-2%
Low Dropout Operating
100% ON-Duty Cycle
Stand-by Current (Features)
0 (Typ.)µA
Adjustable Frequency Range (Features)
50 to 300kHz
Protection Features
Soft Start, Over Current Protection (OCP), Thermal Shut Down Circuit (TSD)
Supply Voltage (Absolute Maximum)
36V
Output SW Voltage (Absolute Maximum)
VINV
Output SW Current (Absolute Maximum)
4A
EN/SYNC, INV Pin Voltage (Absolute Maximum)
VINV
Power Dissipation (Absolute Maximum)
5.5W
Operating Temperature Range (Absolute Maximum)
-40 to +85°C
Storage Temperature Range (Absolute Maximum)
-55 to +150°C
Junction Temperature (Absolute Maximum)
150°C
Input Voltage (Recommended Operating)
Min: 5, Max: 35V
Output Switch Current (Recommended Operating)
Max: 4A
Oscillator Frequency (Recommended Operating)
Min: 50, Max: 300kHz
Oscillator Timing Resistance (Recommended Operating)
Min: 100, Max: 800kΩ
Synchronizing Frequency (Recommended Operating)
Min: 50, Max: 300kHz
Output Voltage (Recommended Operating)
1 or VIN~6V
Stand-by Current (Characteristics)
Min: 0, Max: 10µA
Quiescent Current (Characteristics)
Min: 5, Typ: 8mA
Switch On Resistance (Characteristics)
Typ: 0.5, Max: 0.7Ω
Output Current Limit (Characteristics)
Min: 4, Typ: 8A
Leakage Current (Characteristics)
Min: 0, Max: 10µA
Reference Voltage (Characteristics)
Min: 0.98, Typ: 1.00, Max: 1.02V
Line Regulations (Characteristics)
Max: 0.01%
Input Bias Current (Characteristics)
Min: -1µA
Maximum FB Voltage (Characteristics)
Min: 2.4, Typ: 2.5V
Minimum FB Voltage (Characteristics)
Min: 0.05, Typ: 0.1V
FB sink current (Characteristics)
Min: -5.0, Typ: -3.0, Max: -0.5mA
FB source current (Characteristics)
Min: 70, Typ: 120, Max: 170µA
Soft Start Period (Characteristics)
Min: 5mS
Switching Frequency (Characteristics)
Min: 82, Typ: 102, Max: 122kHz
Frequency Line Regulation (Characteristics)
Max: 1%
Enable/Synchronous Threshold Voltage (Characteristics)
Min: 1.0, Typ: 1.8, Max: 2.4V
Sense Current (Characteristics)
Min: 35, Typ: 70µA
Synchronous Frequency (Characteristics)
Typ: 120kHz
Package Length
9.395 ± 0.125 (max 9.745 including burr)mm
Package Width
8.0 ± 0.13mm
Package Height
1.905 ± 0.1mm
Pin Pitch
1.27mm
Datasheet
Rohm BD9776HFP Datasheet
Download the complete datasheet for Rohm BD9776HFP to view detailed technical specifications.
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