Datasheet MP2307 (Monolithic Power Systems) - 2
| Hersteller | Monolithic Power Systems |
| Beschreibung | 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter |
| Seiten / Seite | 12 / 2 — MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER. … |
| Dateiformat / Größe | PDF / 713 Kb |
| Dokumentensprache | Englisch |
MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER. PACKAGE REFERENCE. ABSOLUTE MAXIMUM RATINGS (1). TOP VIEW
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MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER PACKAGE REFERENCE ABSOLUTE MAXIMUM RATINGS (1)
Supply Voltage VIN... –0.3V to +26V Switch Voltage VSW... –1V to VIN + 0.3V
TOP VIEW
Boost Voltage VBS..VSW – 0.3V to VSW + 6V All Other Pins... –0.3V to +6V BS 1 8 SS Junction Temperature...150°C Lead Temperature ..260°C IN 2 7 EN Storage Temperature ...–65°C to +150°C SW 3 6 COMP GND 4 5 FB
Recommended Operating Conditions (2)
Input Voltage VIN.. 4.75V to 23V MP2307_PD01_SOIC8N EXPOSED PAD Output Voltage VOUT .. 0.925V to 20V ON BACKSIDE Ambient Operating Temp .. –40°C to +85°C
Thermal Resistance (3) θJA θJC
SOIC8N .. 50 .. 10... °C/W
Part Number* Package Temperature
SOIC8N
Maximum Power Dissipation Operating
MP2307DN –40° to +85°C (Exposed Pad) (TA=25°C) * For Tape & Reel, add suffix –Z (eg. MP2307DN–Z) SOIC8N
(4)
, POUT ... .. .. 2W For Lead Free, add suffix –LF (eg. MP2307DN–LF–Z)
Notes:
1) Exceeding these ratings may damage the device. 2) The device is not guaranteed to function outside of its operating conditions. 3) Measured on approximately 1” square of 1 oz copper. 4) Derating 20mW/°C at TA > 25°C
ELECTRICAL CHARACTERISTICS
MP2393
VIN = 12V, TA = +25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units
O Shutdown Supply Current VEN = 0V 0.3 3.0 µA Supply Current VEN = 2.0V, VFB = 1.0V 1.3 1.5 mA Feedback Voltage VFB 4.75V ≤ VIN ≤ 23V 0.900 0.925 0.950 V Feedback Overvoltage Threshold 1.1 V RECOMMENDED FOR Error Amplifier Voltage Gain (5) AEA 400 V/V Error Amplifier Transconductance G NEW DESIGNS EA ∆IC = ±10µA 820 µA/V High-Side Switch On-Resistance (5) RDS(ON)1 100 mΩ Low-Side Switch On-Resistance (5) RDS(ON)2 100 mΩ High-Side Switch Leakage Current VEN = 0V, VSW = 0V 0 10 µA Upper Switch Current Limit Minimum Duty Cycle 4.0 5.8 A NOT Lower Switch Current Limit From Drain to Source 0.9 A COMP to Current Sense G REFER T Transconductance CS 5.2 A/V Oscillation Frequency Fosc1 300 340 380 KHz Short Circuit Oscillation Frequency Fosc2 VFB = 0V 110 KHz Maximum Duty Cycle DMAX VFB = 1.0V 90 % Minimum On Time (5) TON 220 ns EN Shutdown Threshold Voltage VEN Rising 1.1 1.5 2.0 V EN Shutdown Threshold Voltage 220 mV Hysterisis MP2307 Rev. 1.9 www.MonolithicPower.com
2
5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2008 MPS. All Rights Reserved.
Supply Voltage VIN... –0.3V to +26V Switch Voltage VSW... –1V to VIN + 0.3V
TOP VIEW
Boost Voltage VBS..VSW – 0.3V to VSW + 6V All Other Pins... –0.3V to +6V BS 1 8 SS Junction Temperature...150°C Lead Temperature ..260°C IN 2 7 EN Storage Temperature ...–65°C to +150°C SW 3 6 COMP GND 4 5 FB
Recommended Operating Conditions (2)
Input Voltage VIN.. 4.75V to 23V MP2307_PD01_SOIC8N EXPOSED PAD Output Voltage VOUT .. 0.925V to 20V ON BACKSIDE Ambient Operating Temp .. –40°C to +85°C
Thermal Resistance (3) θJA θJC
SOIC8N .. 50 .. 10... °C/W
Part Number* Package Temperature
SOIC8N
Maximum Power Dissipation Operating
MP2307DN –40° to +85°C (Exposed Pad) (TA=25°C) * For Tape & Reel, add suffix –Z (eg. MP2307DN–Z) SOIC8N
(4)
, POUT ... .. .. 2W For Lead Free, add suffix –LF (eg. MP2307DN–LF–Z)
Notes:
1) Exceeding these ratings may damage the device. 2) The device is not guaranteed to function outside of its operating conditions. 3) Measured on approximately 1” square of 1 oz copper. 4) Derating 20mW/°C at TA > 25°C
ELECTRICAL CHARACTERISTICS
MP2393
VIN = 12V, TA = +25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units
O Shutdown Supply Current VEN = 0V 0.3 3.0 µA Supply Current VEN = 2.0V, VFB = 1.0V 1.3 1.5 mA Feedback Voltage VFB 4.75V ≤ VIN ≤ 23V 0.900 0.925 0.950 V Feedback Overvoltage Threshold 1.1 V RECOMMENDED FOR Error Amplifier Voltage Gain (5) AEA 400 V/V Error Amplifier Transconductance G NEW DESIGNS EA ∆IC = ±10µA 820 µA/V High-Side Switch On-Resistance (5) RDS(ON)1 100 mΩ Low-Side Switch On-Resistance (5) RDS(ON)2 100 mΩ High-Side Switch Leakage Current VEN = 0V, VSW = 0V 0 10 µA Upper Switch Current Limit Minimum Duty Cycle 4.0 5.8 A NOT Lower Switch Current Limit From Drain to Source 0.9 A COMP to Current Sense G REFER T Transconductance CS 5.2 A/V Oscillation Frequency Fosc1 300 340 380 KHz Short Circuit Oscillation Frequency Fosc2 VFB = 0V 110 KHz Maximum Duty Cycle DMAX VFB = 1.0V 90 % Minimum On Time (5) TON 220 ns EN Shutdown Threshold Voltage VEN Rising 1.1 1.5 2.0 V EN Shutdown Threshold Voltage 220 mV Hysterisis MP2307 Rev. 1.9 www.MonolithicPower.com
2
5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2008 MPS. All Rights Reserved.