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| New Ripple Filter IC AN1281SSM I Overview 1.600.10 1.200.10 The AN1281SSM is a ripple filter IC that rejects the ripple component superimposed on the regulator output. Use for the VCO bias of cellular phones improves C/N and S/N. 0.20 0.20+0.10 -0.05 5 4 Unit: mm 0.10 M I Features G Small I/O voltage difference G The mounting area is reduced by adopting the SSmini-type package 0.20 1 2 3 0.50 0.50 1.000.10 1.600.10 0.08+0.10 -0.05 0.60 max. 0 to 0.10 I Applications G Cellular phones and others 0.10 1 2 3 Seating plane 5 4 I Block Diagram SSMINI-5DA(Lead-free package) VOUT 3 5 VIN Starter/smoothing circuit Voltage control Load 0.1 F Constant current Switch 2 GND 1 CF 1 F 4 On/Off 4.7F The products and specifications are subject to change without any notice. Please ask for the latest product standards to guarantee the satisfaction of your product requirements. 1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan M00494AE Tel. (075) 951-8151 http://www.panasonic.co.jp/semicon/ New publication, effective from Dec. 6. 2001 I Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 Operating ambient temperature *1 Storage temperature *1 Output current Allowable application voltage for on/off pin *3 Allowable maximum capacitance for CF pin Symbol VIN ICC PD Topr Tstg IO VON/OFF CF Rating 4.5 20 60 -25 to +75 -40 to +125 -15 VIN 10 Unit V mA mW C C mA V F Note) 1. Do not apply external currents or voltages to any pins not specifically mentioned. For circuit currents, '+' denotes current flowing into the IC, and '-' denotes current flowing out of the IC. 2. *1: Except for the power dissipation, the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is the value for Ta = 75C. *3: Do not over the supply voltage. I Recommended Operating Range Parameter Supply voltage Symbol VCC Range 2.5 to 4.3 Unit V I Electrical Characteristics at Ta = 25C Parameter Output voltage 1 Output voltage 2 Consumption current 1 Consumption current 2 Load regulation Consumption current against load change Ripple rejection ratio 1 Ripple rejection ratio 2 Ripple rejection ratio 3 Consumption current at off RR1 RR2 RR3 IOFF VIN = 3 V 0.1 V, IOUT = -15 mA f = 1 kHz VIN = 3 V 0.1 V, IOUT = -15 mA f = 25 kHz VIN = 3 V 0.1 V, IOUT = -15 mA f = 100 kHz VIN = 4.3 V, On/Off = 0 V 26.5 30.5 26.5 29.5 33.5 29.1 1 dB dB dB A Symbol VO1 VO2 ICC1 ICC2 REGL IREG Conditions VIN = 3.0 V, IOUT = -1 A VIN = 3.0 V, IOUT = -15 mA VIN = 3.0 V, IOUT = -1 A VIN = 3.0 V, IOUT = -15 mA VIN = 3.0 V, IOUT = -1 A to -15 mA VIN = 3.0 V, IOUT = -1 A to -15 mA Min 2.62 2.55 -735 -670 0 0 Typ 2.82 2.70 -565 -515 120 51 Max 220 110 Unit V V A A mV A |
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