ICs for Telephone AN1201SM Polarity inverting charge pump DC/DC converter IC ■ Overview Unit: mm 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. 0.225±0.05 2 3 4 0.8±0.10 0.20±0.05 5 0.15±0.05 0.65±0.05 0.65±0.05 1 2.00±0.10 • 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 1.65±0.10 0.225±0.05 1.30±0.10 ■ Features 2.10±0.10 0 to 0.10 ■ Applications • 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. • Marking ■ Block Diagram C2 GND 5 S2 Part No.: "AL" indicates AN1201SM. 4 A L OSC S1 S3 Pin No.1 displayed 1 2 VIN VOUT Publication date: November 2001 S4 3 C1 SDE00001BEB 1 AN1201SM ■ Pin Descriptions Pin No. Symbol Description 1 VIN Supply voltage pin 2 VOUT Inverted output pin 3 C1 4 GND 5 C2 Charge pump capacitor's positive polarity side connecting pin Ground pin Charge pump capacitor's negative polarity side connecting pin ■ Absolute Maximum Ratings Parameter Symbol Rating Unit Supply voltage VIN 3.3 V Supply current IIN 10 mA IO 20 mA PD 48 mW Topr −30 to +85 °C Tstg −55 to +125 °C Output current Power dissipation *2 Operating ambient temperature Storage temperature *1 *2 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. ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VIN 2.0 to 3.0 V ■ Electrical Characteristics at VIN = 2.5 V, C1 = 1 µF, Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Consumption current ICC No load 0.25 1 mA Oscillator frequency fOSC No load 90 125 160 kHz Output resistance ROUT Load 500 Ω 50 Ω 95.0 99.9 % Voltage conversion efficiency Vη No load Power efficiency Pη Load 500 Ω 80 89 % VIN = 0.2 V, no load 1 µA Consumption current in Sleep mode IOFF • 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 Parameter Oscillator frequency 2 Symbol fOSC Conditions VIN = 2.5 V, no load Ta = −30°C to 85°C SDE00001BEB Min Typ Max Unit 66 125 198 kHz AN1201SM ■ Technical Data • PD Ta curves of SMINI-5D PD T a Power dissipation PD (W) 0.200 0.150 Independent IC without a heat sink Rth( j-a) = 833.3˚C/W 0.120 0.100 0.050 0.048 0.000 0 25 50 75 85 100 125 Ambient temperature Ta (°C) ■ Application Circuit Example C2 GND 5 S2 4 1 µF S1 OSC 1 S4 2 VIN ICC 2.2 µF S3 VCC VOUT 100 µH 1 µF SDE00001BEB 3 C1 1 µF Load 500 Ω 3 AN1201SM ■ New Package Dimensions (Unit: mm) • SMINI-5DA (Lead-free package) 5 4 1 2 3 0.32±0.10 0 to 0.10 0.80±0.10 0.11+0.10 -0.05 0.65 0.65 1.30±0.10 2.00±0.10 0.10 1 5 4 0.13 M 1.65±0.10 0.225 2.10±0.10 0.225 0.22+0.10 -0.05 2 Seating plane 3 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. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: • Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. • Any applications other than the standard applications intended. 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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