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ADP3604 Datasheet(PDF) 2 Page - Analog Devices |
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ADP3604 Datasheet(HTML) 2 Page - Analog Devices |
2 / 8 page PIN DESCRIPTION Pin Function 1CP+, Pump Capacitor Positive Input. 2 Ground. 3CP–, Pump Capacitor Negative Input. 4 Shutdown, Logic Level Shutdown Pin. Application of a logic low to this pin will place the regulator in normal operation. The device will be put into shutdown mode with the shutdown pin pulled to VIN. In Shutdown mode the charge pump is turned off. Connect to ground for normal operation. 5VSENSE , Output Voltage Sense Line. This is used to im- prove load regulation performance by eliminating IR drop on the output traces. See application section for more detail. For normal operation, connect Pin 5 to VOUT (Pin 7). 6 NC, No Internal Electrical Connection. 7VOUT, Output Pin. Regulated negative output voltage. Connect a low ESR capacitor between this pin and de- vice GND. 8VIN, Positive Supply Input when 4.5 V ≤ VIN ≤ 6 V. Connect a low-ESR bypass capacitor between this pin and the device ground pin. Parameter Symbol Condition Min Typ Max Units OPERATING SUPPLY RANGE VS 4.5 5 6 V SUPPLY CURRENT IS 2.9 3.5 mA –40 °C < T A < +85°C3 4 mA Shutdown Mode 1.5 2.5 mA –40 °C < T A < +85°C 1.6 3.0 mA OUTPUT Output Voltage VO IO = 60 mA –3.1 –3.0 –2.91 V VO IO = 10 mA to 120 mA, 4.5 V < VIN < 6 V –3.1 –3 –2.88 V VO IO = 10 mA to 120 mA, 4.5 V < VIN < 6 V, 0 °C < T A < +70°C –3.12 –3 –2.85 V VO IO = 10 mA to 120 mA, 4.5 V < VIN < 6 V, –40 °C < T A < +85°C –3.2 –3 –2.8 V Load Regulation ∆V O/ IO IO = 10 mA–60 mA 0.9 mV/mA IO = 10 mA–120 mA 1.5 mV/mA Output Resistance 2 RO 8 Ω Output Ripple Voltage 3 VRIPPLE C1–C3 = 10 µF, I LOAD = 80 mA 25 mV C1–C3 = 10 µF, I LOAD = 120 mA 55 mV SWITCHING FREQUENCY FS 100 120 135 kHz –40 °C < T A < +85°C 96 120 140 kHz SHUTDOWN Logic Input High VIH 2.4 V Input Current IIH 1 µA Logic Input Low VIL 0.4 V Input Current IIL 1 µA Turn-On-Time tON Figure 1, IL = 120 mA 5 ms Turn-Off-Time tOFF Figure 1, IL = 120 mA 5 ms NOTES 1Capacitors C1 and C2 used in the test circuit are 10 µF with 0.1 Ω ESR. Capacitors with higher ESR may reduce output voltage and efficiency. 2Open-loop output resistance. 3See Figure 1 conditions. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods. Specifications subject to change without notice . REV. 0 –2– ADP3604–SPECIFICATIONS WARNING! ESD SENSITIVE DEVICE CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADP3604 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. (VIN = 5.0 V @ TA = +25 C, CP = COUT = 10 F unless otherwise noted) ABSOLUTE MAXIMUM RATINGS 1 (TA = +25°C unless otherwise noted) Input Voltage (V+ to GND, GND to OUT) . . . . . . . . . +7.5 V Output Short Circuit Protection . . . . . . . . . . . . . . . . . . . . 1 sec Power Dissipation, SO-8 . . . . . . . . . . . . . . . . . . . . . . . 660 mW θ JA 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 °C/W θ JC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 °C/W Operating Temperature Range . . . . . . . . . . . . . –40 °C to +85°C Storage Temperature Range . . . . . . . . . . . . . –65 °C to +150°C Lead Temperature Range (Soldering 10 sec) . . . . . . . . +300 °C Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215 °C Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220 °C NOTES 1This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2 θ JA is specified for worst case conditions with device soldered on a circuit board. ORDERING GUIDE Model Temperature Range Package Option* ADP3604AR –40 °C to +85°C SO-8 *SO = Small Outline Package. |
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