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MIC2295 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2295 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 13 page Micrel MIC2295 July 2004 M9999-052402 (408) 955-1690 3 Absolute Maximum Rating (1) Supply voltage (VIN) ……………………..… 12V Switch voltage (VSW) …………………… -0.3V to 34V Enable pin voltage (VEN) …………..……..…. -0.3 to VIN FB Voltage (VFB)……...………………………..…………6V Switch Current (ISW) ………………………..…..….. 2.5A Ambient Storage Temperature (TS) …. -65°C to +150°C ESD Rating (3)...………………………… ……..2KV Operating Range (2) Supply Voltage (VIN) …………………..…… 2.5V to 10V Junction Temperature Range (TJ) …… -40°C to +125°C Package Thermal Impedance JA 2x2 MLF-8L lead …………………… 93°C/W JA ThinSOT23-5 lead …………………… 256°C/W Electrical Characteristics T A=25 oC, VIN =VEN = 3.6V, VOUT = 15V, IOUT = 40mA, unless otherwise noted. Bold values indicate -40°C TJ 125°C. Symbol Parameter Condition Min Typ Max Units VIN Supply Voltage Range 2.5 10 V VUVLO Under-Voltage Lockout 1.8 2.1 2.4 V IVIN Quiescent Current VFB = 2V (not switching) 2.8 5 mA ISD Shutdown Current VEN = 0V (4) 0.1 1 mA VFB Feedback Voltage (+/-1%) 1.227 1.24 1.252 (+/-2%) (Over Temp) 1.215 1.265 V IFB Feedback Input Current VFB = 1.24V -450 nA Line Regulation 3V VIN 5V 0.04 1 % Load Regulation 5mA IOUT 40mA 1.5 % DMAX Maximum Duty Cycle 85 90 % ISW Switch Current Limit Note 5 1.2 1.7 A VSW Switch Saturation Voltage ISW = 1.2A 600 mV ISW Switch Leakage Current VEN = 0V, VSW = 10V 0.01 5 mA VEN Enable Threshold TURN ON TURN OFF 1.5 0.4 V IEN Enable Pin Current VEN = 10V 20 40 mA fSW Oscillator Frequency 1.05 1.2 1.35 MHz VOVP Output over-voltage protection MIC2295BML only 30 32 34 V 150 °C Tj Over-Temperature Threshold Shutdown Hysteresis 10 °C Notes: 1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(Max), the junction-to-ambient thermal resistance, JA, and the ambient temperature, TA. The maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. 2. This device is not guaranteed to operate beyond its specified operating rating. 3. IC devices are inherently ESD sensitive. Handling precautions required. Human body model rating: 1.5K in series with 100pF. 4. ISD = IVIN. 5. Guaranteed by design. |
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