M24308-2-13

M24308-2-13 MAXIM | Alldatasheet

Document overview

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Technical content

Features

' 2.7V to 4.2V Input Range ' 12mA min Charge-Pump Output Current ' 45µA Quiescent Supply Current ' 0.1µA Supply Current in Shutdown Mode ' 5.0V Regulated Charge-Pump Output (MAX1686H) 4.75V Regulated Charge-Pump Output (MAX1686) ' Input-Output Shorting Switch for 3V Cards ' Small External Components (Uses a 0.047µF, 0.1µF, and a 2.2µF Capacitor) ' Output Driven to Ground in Shutdown Mode ' Super-Small 8-Pin µMAX Package ' Soft-Start and Short-Circuit Protection MAX1686/MAX1686H 3V to 5V Regulating Charge Pumps for SIM Cards OUT CXP CXN PGNDGND IN SHDN MAX1686 MAX1686H µMAX TOP VIEW MAX1686 MAX1686H IN CXN CXP GND PGND CIN INPUT 2.7V TO 4.2V OUTPUT VIN OR 5V/20mA CX COUT SHDN OUT Typical Operating Circuit 19-1376; Rev 1; 12/98 PART MAX1686 EUA -40°C to +85°C TEMP. RANGE PIN-PACKAGE 8 µMAX Pin Configuration

Ordering Information

MAX1686H EUA -40°C to +85°C 8 µMAX

Charge Pumps for SIM Cards ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VIN = V SHDN = 3.3V, 3/ 5 = GND, C X = 0.22µF, C OUT = 10µF (see Applications Information section to use smaller capacitors), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) Continuous Power Dissipation (T A = +70°C ) Operating Temperature Range PARAMETER CONDITIONS MIN TYP MAX UNITS Input Voltage Range 2.7 4.2 V Input Undervoltage-Lockout Threshold Voltage 0.8 1.2 1.6 V Quiescent Supply Current Charge pump enabled, no load, 3/5 = GND µA Charge pump disabled, no load, 3/5 = IN Shutdown Supply Current VIN = 3.6V, SHDN = GND 0.1 5 VOUT Output Voltage 4.55 4.75 5.25 V3/5 = VIN = 3.0V 2.5 5 Ω OUT Short-Circuit Current 3/5 = GND or IN 20 100 200 mA Logic Input Low Voltage SHDN, 3/5 0.5 ·VIN 0.3 ·VIN V Logic Input High Voltage SHDN, 3/5 0.7 ·VIN 0.5 ·VIN V Logic Input Leakage Current SHDN, 3/5 = GND or IN 0.1 1 µA 4.75 5.00 5.25 OUT Discharge Switch On-Resistance 3/5 = GND or IN, SHDN = GND 80 200 Ω IN-to-OUT Switch On-Resistance TA = +25°C 800 1000 1200 µA Note 1:Electrical specifications are measured by pulse testing and are guaranteed for a junction temperature within the operating temperature range, unless otherwise noted. Limits are 100% production tested at TA = +25°C. Limits over the entire operat- ing temperature range are guaranteed through correlation using Statistical Quality Control (SQC) methods and are not pro- duction tested. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. TA = +25°C 45 100 31 0 Charge-Pump Frequency TA = -40°C to +85°C 700 1300 kHz TA = -40°C to +85°C 150 3/5 = IN VIN MAX1686 MAX1686H VIN = 2.7V to 4.2V, load = 0 to 12mA

Charge Pumps for SIM Cards 0.1 100 101 EFFICIENCY vs. LOAD CURRENT (5V MODE) MAX1686-01 LOAD CURRENT (mA) EFFICIENCY (%) VIN = 3.6V VIN = 2 .7V VIN = 3.3V EFFICIENCY vs. INPUT VOLTAGE (5V MODE) MAX1686-TOC2 INPUT VOLTAGE (V) EFFICIENCY (%) 123 45 6 ILOAD = 10mA ILOAD = 1mA 1000 0.1 02 14 6 NO-LOAD INPUT CURRENT vs. INPUT VOLTAGE (3V MODE) 100 MAX1686-03 INPUT VOLTAGE (V) INPUT CURRENT (µA) 10,000 02 14 6 NO-LOAD INPUT CURRENT vs. INPUT VOLTAGE (5V MODE) 100 1000 MAX1686-04 INPUT VOLTAGE (V) INPUT CURRENT (µA) 02 3 1 456 OUTPUT VOLTAGE vs. INPUT VOLTAGE (3V MODE) MAX1686-07 INPUT VOLTAGE (V) OUTPUT VOLTAGE (V) NO LOAD 3.20 3.24 3.22 3.28 3.26 3.30 3.34 3.32 0 5 10 15 20 25 OUTPUT VOLTAGE vs. LOAD CURRENT (3V MODE) MAX1686-05 LOAD CURRENT (mA) OUTPUT VOLTAGE (V) 4.70 0.1 100 101 MAX1686 OUTPUT VOLTAGE vs. LOAD CURRENT (5V MODE) 4.73 4.71 4.77 4.75 4.80 4.74 4.72 4.78 4.79 4.76 MAX1686-06 LOAD CURRENT (mA) OUTPUT VOLTAGE (V) VIN = 2.7V VIN = 3 .3V VIN = 3.6V 02 3 1 456 OUTPUT VOLTAGE vs. INPUT VOLTAGE (5V MODE) MAX1686-08 INPUT VOLTAGE (V) OUTPUT VOLTAGE (V) NO LOAD MAX1686 MAX1686H 2.5µs/div OUTPUT WAVEFORM (ILOAD = 10mA) MAX1686-09 VOUT (20mV/div) 5V MODE, AC COUPLED, COUT = 10µF  0.1µF Typical Operating Characteristics (See Typical Operating Circuit, CIN = 0.47µF, CX = 0.22µF, COUT = 10µF, VIN = 3.3V, TA = +25°C, unless otherwise noted.)

Charge Pumps for SIM Cards Typical Operating Characteristics (continued) (See Typical Operating Circuit, CIN = 0.47µF, CX = 0.22µF, COUT = 10µF, VIN = 3.3V, TA = +25°C, unless otherwise noted.) 25µs/div OUTPUT WAVEFORM (ILOAD = 1mA) MAX1686-10 VOUT (20mV/div) 5V MODE, AC COUPLED, COUT = 10µF  0.1µF 2.5ms/div LINE-TRANSIENT RESPONSE MAX1686-11 VIN (500mV/div) VIN = 2.8V to 3.3V, ILOAD = 10mA, 5V MODE, AC COUPLED VOUT (50mV/div) 2.5ms/div LOAD-TRANSIENT RESPONSE MAX1686-12 ILOAD (10mA/div) ILOAD = 0 TO 10mA, 5V MODE, AC COUPLED VOUT (50mV/div) 250µs/div START-UP WAVEFORM (3V MODE, RL = 500Ω ) MAX1686-13SHDN (5V/div) VOUT (1V/div) 1ms/div SHUTDOWN WAVEFORM (3V MODE, NO LOAD) MAX1686-16 SHDN (5V/div) VOUT (1V/div) RL = 500Ω 250µs/div START-UP WAVEFORM (5V MODE, RL = 500Ω ) MAX1686-14SHDN (5V/div) VOUT (1V/div) 250µs/div 3V MODE TO 5V MODE WAVEFORM (RL = 500Ω ) MAX1686-153/5 (5V/div) VOUT (1V/div) 1ms/div SHUTDOWN WAVEFORM (5V MODE, NO LOAD) MAX1686-17 SHDN (5V/div) VOUT (1V/div) 500µs/div 5V MODE TO 3V MODE WAVEFORM (NO LOAD) MAX1686-18 (5V/div) VOUT (1V/div)

high, the output is shorted to the input. 2 SHDN Active-Low Shutdown Input. SHDN = GND is off. Output is actively pulled low in shutdown.

4 GND Ground Pin

8 OUT Power Output. Bypass to GND with an output filter capacitor.

7 CXP Positive Terminal of the Charge-Pump Transfer Capacitor

6 CXN Negative Terminal of the Charge-Pump Transfer Capacitor

5 PGND Power Ground. Connect to GND through a short trace. regulators require only three small external capacitors. Figure 1. Functional Diagram

2 lists the recommended capacitor manufacturers. tions with large operating temperature ranges. and integrate it into ground as a pseudo-ground plane. nected directly across the output filter capacitor. Table 2. Recommended Surface-Mount Table 1. Ripple and Efficiency vs. Input

Charge Pumps for SIM Cards Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circu it patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1998 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circu it patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1998 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

Package Information

8LUMAXD.EPS