AN1201SM

ICs for Telephone AN1201SM Polarity inverting charge pump DC/DC converter IC I Overview AN1201SM is a negative voltage generation IC for bias voltage of transmission power module of cellular phones. This IC is a polarity inverting DC/DC converter to change from positive voltage into negative voltage. 2.00±0.10 1.30±0.10 2.10±0.10 0.225±0.05 1.65±0.10 0.225±0.05 Unit: mm 1 0.65±0.05 0.65±0.05 5 0.20±0.05 0.8±0.10 I Features • High power conversion efficiency: 89% typ. (when output current is 5 mA.) • Low output resistance: 20 Ω typ. • High voltage conversion efficiency: 99.9% • Small (S-MINI) package 2 3 4 • Cellular phones SMINI-5D Note) The package of this product will be changed to lead-free type (SMINI-5DA). See the new package dimensions section later of this datasheet. I Block Diagram C2 5 S2 GND 4 • Marking Part No.: "AL" indicates AN1201SM. AL OSC S1 S3 Pin No.1 displayed 1 VIN 2 VOUT S4 3 C1 0 to 0.10 I Applications 0.15±0.05 Publication date: November 2001 SDE00001BEB 1 AN1201SM I Pin Descriptions Pin No. 1 2 3 4 5 Symbol VIN VOUT C1 GND C2 Supply voltage pin Inverted output pin Charge pump capacitor's positive polarity side connecting pin Ground pin Charge pump capacitor's negative polarity side connecting pin Description I Absolute Maximum Ratings Parameter Supply voltage Supply current Output current Power dissipation *2 *2 Symbol VIN IIN IO PD Topr Tstg *1 Rating 3.3 10 20 48 −30 to +85 −55 to +125 Unit V mA mA mW °C °C Operating ambient temperature Storage temperature 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, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: Ta = 85°C, For the independent IC without a heat sink. I Recommended Operating Range Parameter Supply voltage Symbol VIN Range 2.0 to 3.0 Unit V I Electrical Characteristics at VIN = 2.5 V, C1 = 1 µF, Ta = 25°C Parameter Consumption current Oscillator frequency Output resistance Voltage conversion efficiency Power efficiency Consumption current in Sleep mode • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Unless otherwise specified: VIN = 2.5 V, Ta = 25°C Symbol ICC fOSC ROUT Vη Pη IOFF No load No load Load 500 Ω No load Load 500 Ω Conditions Min  90  95.0 80  Typ 0.25 125  99.9 89  Max 1 160 50   1 Unit mA kHz Ω % % µA VIN = 0.2 V, no load Parameter Oscillator frequency Symbol fOSC Conditions VIN = 2.5 V, no load Ta = −30°C to 85°C Min 66 Typ 125 Max 198 Unit kHz 2 SDE00001BEB AN1201SM I Technical Data • PD  Ta curves of SMINI-5D PD  T a 0.200 Power dissipation PD (W) 0.150 0.120 0.100 Independent IC without a heat sink Rth( j-a) = 833.3˚C/W 0.050 0.048 0.000 0 25 50 75 85 100 125 Ambient temperature Ta (°C) I Application Circuit Example C2 5 S2 GND 4 1 µF OSC S1 S3 1 VIN ICC 2.2 µF VCC 2 VOUT S4 3 C1 Load 500 Ω 100 µH 1 µF 1 µF SDE00001BEB 3 AN1201SM I New Package Dimensions (Unit: mm) • SMINI-5DA (Lead-free package) 0.22+0.10 -0.05 0.225 5 1.65±0.10 4 0.13 M 2.10±0.10 0.225 1 2 3 0.65 0.65 1.30±0.10 2.00±0.10 0.11+0.10 -0.05 0.80±0.10 0.32±0.10 0 to 0.10 0.10 1 2 3 Seating plane 5 4 4 SDE00001BEB Request for your special attention and precautions in using the technical information and semiconductors described in this material (1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. 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Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited. 2001 MAR