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MCP16415

更新时间: 2024-11-17 14:51:51
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描述
The MCP16415 is a Boost regulator from the MCP1641X family of low quiescentcurrent boost converter

MCP16415 数据手册

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MCP1641X  
Low IQ Boost Converter with Programmable Low Battery, UVLO and  
Automatic Input-to-Output Bypass Operation  
Features  
Description  
• Input Voltage Range: 0.8V (after Start-up)  
to 5.25V  
The MCP1641X Step-up DC-DC Converters family  
provides an automatic input-to-output voltage bypass  
operation, which helps optimize battery utilization and  
achieve high efficiency, while the nominal voltage of  
fresh batteries remains in the same range with the con-  
verter’s output value. The MCP1641X can be powered  
by either single-cell, two-cell alkaline/NiMH batteries or  
single-cell Li-Ion/Li-Polymer batteries.  
• Low Device Quiescent Current: 5 µA (typical),  
PFM Mode (not switching)  
• Up to 96% Efficiency  
• 1A Typical Inductor Peak Current Limit:  
- IOUT > 170 mA at 2V VOUT, 1.2V VIN  
- IOUT > 200 mA at 3.3V VOUT, 1.5V VIN  
- IOUT > 600 mA at 5.0V VOUT, 3.6V VIN  
• Adjustable Output Voltage Range  
• Automatic Input-to-Output Bypass Operation  
• Selectable Switching Mode:  
A
low-voltage designed architecture allows the  
regulator to start up without high inrush current or  
output voltage overshoot from a low input voltage. The  
start-up voltage is easily programmed by a resistive  
divider connected to the UVLO pin. If the resistive  
divider is not used, the default start-up voltage is 0.85V.  
The 0.8V built-in UVLOSTOP helps prevent deep dis-  
charge of the alkaline battery, which can cause battery  
leakage. An open-drain Low Battery Output (LBO) pin  
warns the user to replace the battery if the input voltage  
ramps down to the programmed UVLOSTART value.  
- PWM operation: 500 kHz (MCP16412/4/6/8)  
- Automatic PFM/PWM operation  
(MCP16411/3/5/7)  
• Programmable Undervoltage Lockout (UVLO)  
• Programmable Low Battery Output (LBO)  
• Selectable Status Indicator:  
The MCP1641X family introduces an additional safety  
- Power Good and Die Overtemperature   
output (MCP16411/2/3/4)  
feature to a low-voltage boost converter: Over-  
temperature Output. Devices, such as personal care  
products, Bluetooth headsets or toys, will benefit from  
the combined Power Good and Die Overtemperature  
(PGT) output, which flags a warning signal when the out-  
- Power Good output (MCP16415/6/7/8)  
• Internal Synchronous Rectifier  
• Internal Compensation  
put voltage level drops within 10% or the die temperature  
(1)  
• Inrush Current Limiting and Internal Soft Start  
• Low Noise, Anti-Ringing Control  
• Thermal Shutdown  
exceeds the +75°C (typical).  
Both functions are  
implemented in the MCP16411/2/3/4 devices (on the  
same pin, PGT), while the MCP16415/6/7/8 devices  
have only the Power Good option.  
• Selectable Shutdown States:  
- Output discharge option (MCP16411/2/5/6)  
Note 1: Factory programmable from +55C to  
+85C, at +10C increments, by customer  
request.  
- Input-to-output bypass option  
(MCP16413/4/7/8)  
• Shutdown Current: 2.3 µA (typical)  
• Available Packages:  
Package Types  
MCP1641X  
10-Lead MSOP  
MCP1641X  
3x3 TDFN*  
- 10-Lead MSOP  
- 10-Lead 3 mm x 3 mm TDFN  
EN  
1
2
3
4
5
10  
9
UVLO  
EN  
VIN  
UVLO  
LBO  
1
2
3
4
5
10  
9
VIN  
LBO  
PGT**  
VFB  
Applications  
SGND  
EP  
11  
SGND  
PGND  
8
PGT**  
VFB  
8
PGND  
SW  
• Personal and Health Care Products  
• Single-Cell or Two-Cell Powered IoT Devices  
• Bluetooth® Headsets  
7
7
VOUT  
6
VOUT  
6
SW  
*Includes Exposed Thermal Pad (EP), see Table 4-1.  
**See Table 3-1 for device options – PGT or PG pin.  
• Remote Controllers, Portable Instruments  
• Wireless Sensors, Data Loggers  
2020-2021 Microchip Technology Inc. and its subsidiaries  
DS20006394D-page 1  

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