MCP1640BT-I/CHY Microchip Technology IC REG BST ADJ 0.35A SYNC SOT23

label:

March 11th, 2024 390

• AEC-Q100 Qualified

• Up to 96% Typical Efficiency

• Passes automotive AEC-Q100 reliability testing

• 800 mA Typical Peak Input Current Limit:
- IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT
- IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT
- IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT

• Low Start-Up Voltage: 0.65V, typical 3.3V VOUT@ 1 mA

• Low Operating Input Voltage: 0.35V, typical 3.3VVOUT @ 1 mA

• Adjustable Output Voltage Range: 2.0V to 5.5V

• Maximum Input Voltage  VOUT < 5.5V

• Automatic PFM/PWM Operation (MCP1640/C):
- PFM Operation Disabled (MCP1640B/D)
- PWM Operation: 500 kHz

• Low Device Quiescent Current: 19 µA, typicalPFM Mode (not switching)

• Internal Synchronous Rectifier

• Internal Compensation

• Inrush Current Limiting and Internal Soft Start

• Selectable, Logic Controlled Shutdown States:
- True Load Disconnect Option (MCP1640/B)
- Input to Output Bypass Option (MCP1640C/D)

• Shutdown Current (All States): < 1 µA

• Low Noise, Anti-Ringing Control

• Overtemperature Protection

• Available Packages:
- 6-Lead SOT-23
- 8-Lead 2 mm x 3 mm DFN

CATALOG

MCP1640BT-I/CHY COUNTRY OF ORIGIN

MCP1640BT-I/CHY PARAMETRIC INFO

MCP1640BT-I/CHY PACKAGE INFO

MCP1640BT-I/CHY MANUFACTURING INFO

MCP1640BT-I/CHY PACKAGING INFO

MCP1640BT-I/CHY ECAD MODELS

MCP1640BT-I/CHY Applications

COUNTRY OF ORIGIN

Thailand

PARAMETRIC INFO

Type	Synchronous Step Up
Number of Outputs	1
Minimum Input Voltage (V)	0.65
Maximum Input Voltage (V)	5.5
Output Voltage (V)	2 to 5.5
Maximum Output Current (A)	0.35(Typ)
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial
Switching Frequency (kHz)	500
Efficiency (%)	96(Typ)
Switching Regulator	Yes
Output Type	Adjustable
Load Regulation	0.01%(Typ)
Line Regulation	0.01%/V(Typ)
Typical Quiescent Current (uA)	19
Minimum Storage Temperature (°C)	-65
Maximum Storage Temperature (°C)	150

PACKAGE INFO

Supplier Package	SOT-23
Basic Package Type	Lead-Frame SMT
Pin Count	6
Lead Shape	Gull-wing
PCB	6
Tab	N/R
Package Length (mm)	2.9
Package Width (mm)	1.6
Package Height (mm)	1.15
Package Diameter (mm)	N/R
Mounting	Surface Mount
Package Description	Small Outline Transistor
Package Family Name	SOT
Jedec	MO-178AB
Package Outline	Link to Datasheet

MANUFACTURING INFO

MSL	1
Maximum Reflow Temperature (°C)	260
Reflow Solder Time (Sec)	20 to 40
Number of Reflow Cycle	3
Standard	J-STD-020C
Reflow Temp. Source	Link to Datasheet
Maximum Wave Temperature (°C)	N/R
Wave Solder Time (Sec)	N/R
Lead Finish(Plating)	Au
Under Plating Material	Pd over Ni
Terminal Base Material	Cu Alloy
Number of Wave Cycles	N/R

PACKAGING INFO

Packaging Suffix	T
Packaging	Tape and Reel
Quantity Of Packaging	3000
Reel Diameter (in)	7
Tape Pitch (mm)	4
Tape Width (mm)	8
Packaging Document	Link to Datasheet
Tape Type	Embossed

ECAD MODELS

APPLICATIONS

• One, Two and Three Cell Alkaline and NiMH/NiCdPortable Products

• Single-Cell Li-Ion to 5V Converters

• Li Coin Cell Powered Devices

• Personal Medical Products

• Wireless Sensors

• Handheld Instruments

• GPS Receivers

• Bluetooth Headsets

• +3.3V to +5.0V Distributed Power Supply