MCP1603-ADJI/MC Microchip Technology, MCP1603-ADJI/MC Datasheet
MCP1603-ADJI/MC
Specifications of MCP1603-ADJI/MC
Related parts for MCP1603-ADJI/MC
MCP1603-ADJI/MC Summary of contents
Page 1
... Li-Ion or 2-cell/3-cell NiMH/NiCd batteries. At heavy loads, the MCP1603 operates in the 2.0 MHz fixed frequency PWM mode which provides a low noise, low output ripple, small-size solution. When the load is reduced to light levels, the MCP1603 automatically changes operation to a PFM mode to minimize quiescent current draw from the battery ...
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... MCP1603 Typical Application Circuit V IN 2. 4.7 µF 100 V 95 OUT 3. 0.1 DS22042A-page 4.7 µ SHDN FB GND = 1. 4. 100 Output Current (mA) V OUT 1.8V @ 500 mA C OUT 4.7 µ 2.7V IN 1000 © 2007 Microchip Technology Inc. ...
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... SHDN TSD I IPEAK PWM IPEAK PFM S Q POFF NOFF Switch Drive Logic and timing R Q PWM/PFM PWM/PFM Logic IPEAK IPEAK PWM -ILPK Disable Switcher MCP1603 V REF ILIM PWM ILIM PFM Limit PK -ILPK L X GND PFM -I Limit PK V REF UVLO TSD DS22042A-page 3 ...
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... MCP1603 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † GND.......................................................................+6.0V IN All Other I/O ...............................(GND - 0.3V GND .............................................. -0. Output Short Circuit Current..................................Continuous Power Dissipation (Note 5) ..........................Internally Limited Storage Temperature.....................................-65°C to +150°C Ambient Temp. with Power Applied.................-40°C to +85°C Operating Junction Temperature...................-40°C to +125°C ESD Protection On All Pins: HBM ...
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... SS — 500 — DSon-P — 500 — DSon-N I -1.0 ±0.1 1.0 LX — 860 — LX(MAX) ≥ 2.7V and MCP1603 = 4.7 µ 4.7 µH, V (ADJ) = 1.8V, IN OUT Units Conditions V Note -40°C to +25° +25°C to +85° -40°C to +25°C, Note 3 A ...
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... MCP1603 TEMPERATURE SPECIFICATIONS Electrical Specifications: Unless otherwise indicated, all limits are specified for: V Parameters Temperature Ranges Operating Junction Temperature Range Storage Temperature Range Maximum Junction Temperature Package Thermal Resistances Thermal Resistance, 5L-TSOT Thermal Resistance, 8L-2x3 DFN DS22042A-page 6 Sym Min Typ Max ...
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... FIGURE 2- 1.2V). OUT 100 V = 1.8V OUT 500 mA 50 OUT 4.8 5.15 5.5 0.1 FIGURE 2- 1.8V). OUT MCP1603 (ADJ) = 1.8V 100 mA, OUT LOAD + 3.4 3.75 4.1 4.45 4.8 5.15 5.5 Input Voltage (V) I vs. Input Voltage 1.2V OUT = 2. 3. ...
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... MCP1603 Typical Performance Curves (Continued) Note: Unless otherwise indicated SHDN = 3.6V +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics. A 100 I = 100 mA 95 OUT 300 mA OUT 3.5 4 4.5 Input Voltage (V) FIGURE 2-7: Efficiency vs. Input Voltage (V = 2.4V). OUT 100 ...
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... N-Channel 0.5 0.4 P-Channel 0.3 -40 -25 -10 4.8 5.15 5.5 FIGURE 2-17: Ambient Temperature. FIGURE 2-18: Waveform. MCP1603 (ADJ) = 1.8V 100 mA, OUT LOAD 3.4 3.75 4.1 4.45 4.8 5.15 5.5 Input Voltage (V) Switching Frequency vs. N-Channel 110 125 o Ambient Temperature ( C) Switch Resistance vs ...
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... MCP1603 Typical Performance Curves (Continued) Note: Unless otherwise indicated SHDN = 3.6V +25°C. Adjustable or fixed output voltage options can be used to generate the Typical Performance Characteristics. A FIGURE 2-19: Light Load Switching Waveform. FIGURE 2-20: Output Voltage Load Step Response vs. Time. DS22042A-page 4.7 µ 4.7 µH, V (ADJ ...
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... Exposed Metal Pad (EP) ) will IN ) For the DFN package, connect the Exposed Pad to IN GND, with vias into the GND plane. This connection to the GND plane will aid in heat removal from the package. MCP1603 Description ) OUT /V pin. For fixed- FB OUT ) X pin directly to the buck inductor. This ...
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... LIGHT LOAD, PFM MODE During light load conditions, the MCP1603 operates in a PFM mode. When the MCP1603 enters this mode, it begins to skip pulses to minimize unnecessary quies- cent current draw by reducing the number of switching cycles per second. The typical quiescent current draw for this device is 45 µ ...
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... Soft Start The output of the MCP1603 is controlled during start- up. This control allows for a very minimal amount of V overshoot during start-up from V OUT the UVLO voltage or SHDN being enabled. 4.4 Overtemperature Protection Overtemperature protection circuitry is integrated in the MCP1603. This circuitry monitors the device junction temperature and shuts the device off, if the junction temperature exceeds the typical 150° ...
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... No external voltage divider or compensation is necessary. In addition to the fixed 1.8V option, the MCP1603 is also available in 1.2V, 1.5V, 2.5V, or 3.3V fixed voltage options. 5.3 Adjustable Output Voltage ...
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... This is an estimate assuming that most of the power lost is internal to the MCP1603. There is some percentage of power lost in the buck inductor, with very little loss in the input and output capacitors. MCP1603 ...
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... DS22042A-page 16 Therefore important that the components along the high current path should be placed as close as possible to the MCP1603 to minimize the loop area. The feedback resistors and feedback signal should be routed away from the switching node and this switching current loop. When possible ground planes and traces should be used to help shield the feedback signal and minimize noise and magnetic interference ...
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... L 1 4.7 µ COMP R 4.99 kΩ TOP C COMP 200 kΩ BOT GND 787 kΩ 4.7 µ SHDN FB GND MCP1603 V OUT 1.5V @ 500 mA C OUT 4.7 µF V OUT 1.0V @ 500 mA C OUT 4.7 µF V OUT 1.2V @ 500 mA C OUT 4.7 µF DS22042A-page 17 ...
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... DS22042A-page 18 Marking Part Number Code MCP1603-120I/MC AFM MCP1603-150I/MC AFK MCP1603-180I/MC AFJ MCP1603-250I/MC AFG MCP1603-330I/MC AFA MCP1603-ADJI/MC AFQ Marking Part Number Code MCP1603T-120I/OS ETNN MCP1603T-150I/OS EUNN MCP1603T-180I/OS EVNN MCP1603T-250I/OS EWNN MCP1603T-330I/OS EXNN MCP1603T-ADJI/OS ...
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... Dimension Limits MIN NOM N e 0.50 BSC A 0.80 0.90 A1 0.00 0.02 A3 0.20 REF D 2.00 BSC E 3.00 BSC D2 1.30 E2 1.50 b 0.18 0.25 L 0.30 0.40 K 0.20 MCP1603 NOTE MAX 8 1.00 0.05 – 1.75 – 1.90 0.30 0.50 – – Microchip Technology Drawing C04-123B DS22042A-page 19 ...
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... MCP1603 5-Lead Plastic Thin Small Outline Transistor (OS) [TSOT] Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging N NOTE Number of Leads Lead Pitch Outside Lead Pitch Overall Height Molded Package Thickness Standoff Overall Width Molded Package Width ...
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... APPENDIX A: REVISION HISTORY Revision A (May 2007) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1603 DS22042A-page 21 ...
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... MCP1603 NOTES: DS22042A-page 22 © 2007 Microchip Technology Inc. ...
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... X XXX Device TSOT Tape Voltage Config. and Reel Option Device: MCP1603: 2.0 MHz, 500 mA Buck Regulator TSOT Pin Blank = Standard pinout Config. Designator * L = Alternate pinout * Refer to Package Types for an explanation regarding the function of the device pins. Tape and Reel Tape and Reel ...
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... MCP1603 NOTES: DS22042A-page 24 © 2007 Microchip Technology Inc. ...
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... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...