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Details, datasheet, quote on part number:TPS60501
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Datasheet text preview:
TPS60500, TPS60501 TPS60502, TPS60503
SLVS391B OCTOBER 2001 REVISED FEBRUARY 2002
HIGH EFFICIENCY, 250-mA STEP-DOWN CHARGE PUMP
FEATURES D Regulated 3.3-V, 1.8-V, 1.5-V, or Adjustable D D D D D D D D D D D
Output Voltage Up to 250-mA Output Current 1.8-V to 6.5-V Input Voltage Up to 90% Efficiency Output Voltage Tolerance 3% Over Line, Load, and Temperature Variation Device Quiescent Current Less Than 40 µA Output Voltage Supervisor Included (Power Good) Internal Soft Start Load Isolated From Battery During Shutdown Overtemperature and Overcurrent Protected Micro-Small 10-Pin MSOP Package EVM Available, TPS60500EVM-193
D D D D D D
DSP Core Supply Cellular Phones Portable Instruments Internet Audio Player PC Peripherals USB Powered Applications
DESCRIPTION
The TPS6050x devices are a family of step-down charge pumps that generate a regulated, fixed 3.3-V, 1.8-V, 1.5-V, or adjustable output voltage. Only four small ceramic capacitors are required to build a complete high efficiency dc/dc charge pump converter. To achieve the high efficiency over a wide input voltage range, the charge pump automatically selects between three different conversion modes. The output can deliver a maximum of 250-mA output current. The power good function supervises the output voltage and goes high when the output voltage rises to 97% of its nominal value.
APPLICATIONS D Personal Digital Assistants
Typical Application Circuit
TPS60503
C1F 1 µF
C2F 1 µF
100 100 mA
EFFICIENCY vs INPUT VOLTAGE
90 50 mA
8
6
3
4 7 1.8 V 150 mA +C o 10 µF
Efficiency %
C1F C1F+ C2F C2F+
80 70 60 50 40 30 150 mA LDO
INPUT Li-ion cell Ci 2.2 µF
OUT 5 VIN TPS60502 FB 1 EN PG GND 9
10 R 2
20 10 0 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 VI Input Voltage V
OFF/ON
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright 2002, Texas Instruments Incorporated
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TPS60500, TPS60501 TPS60502, TPS60503
SLVS391B OCTOBER 2001 REVISED FEBRUARY 2002
pin assignments
DGS PACKAGES (TOP VIEW)
EN PG C2F C2F+ VIN
1 2 3 4 5
10 9 8 7 6
FB GND C1F OUT C1F+
ACTUAL SIZE 3,05 mm x 4,98 mm AVAILABLE OPTIONS PART NUMBER TPS60500DGS TPS60501DGS TPS60502DGS TPS60503DGS MARKING DGS PACKAGE AVB AVC AVD AVE OUTPUT VOLTAGE [V] Adjustable (0.8 V to 3.3 V) 3.3 1.8 MINIMUM INPUT VOLTAGE FOR IO = 150 mA VI > VO + 1 VI > 4.3 V VI > 2.8 V
1.5 VI > 2.5 V The DGS package is available taped and reeled. Add R suffix to device type (e.g. TPS60500DGSR) to order quantities of 2500 devices per reel.
Terminal Functions
TERMINAL NAME C1F+ C1F C2F+ C2F EN NO. 6 8 4 3 1 I I/O Positive terminal of the flying capacitor C1F Negative terminal of the flying capacitor C1F Positive terminal of the flying capacitor C2F Negative terminal of the flying capacitor C2F Device-enable Input. EN = High disables the device. Output and input are isolated in shutdown mode. EN = Low enables the device. Ground O O O I TPS60500: connect via voltage divider to VO TPS60501 to TPS60503: connect directly to VO Regulated 3.3 V, 1.8 V, 1.5 V, or adjustable power output Bypass OUT to GND with the output filter capacitor Co. Open drain power good detector output. As soon as the voltage on OUT reaches about 97% of its nominal value this pin goes high. Supply Input. Connect to an input supply in the 1.8-V to 6.5-V range. DESCRIPTION
GND FB OUT PG VIN
9 10 7 2 5
2
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TPS60500, TPS60501 TPS60502, TPS60503
SLVS391B OCTOBER 2001 REVISED FEBRUARY 2002
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Voltage range at VIN, EN, PG to GND (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 7 V Voltage range at OUT, FB to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 3.6 V Voltage range at C1F+, C1F, C2F+, C2F to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to 7 V Continuous power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Output current at OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 150°C Maximum junction temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
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 under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The voltage at EN, and PG can exceed VIN up to the maximum rated voltage without increasing the leakage current drawn by these mode select inputs. DISSIPATION RATING TABLE PACKAGE DGS TA 25°C POWER RATING 555 mW DERATING FACTOR ABOVE TA = 25°C 5.56 mW/°C TA = 70°C POWER RATING 305 mW TA = 85°C POWER RATING 221 mW
NOTE: The thermal resistance junction to ambient of the DGS package when soldered on a PCB is RJA 180°C/W.
recommended operating conditions
MIN Input voltage range at VIN, VI Output current range at OUT, IO Input capacitor, Ci Flying capacitors, C1F, C2F Output capacitor, Co for IO 150 mA Output capacitor, Co for 150 mA < IO < 250 mA Operating junction temperature, TJ RECOMMENDED CAPACITOR VALUES IO, max [mA] 50 150 250 Ci [µF] 2.2 4.7 4.7 C(xF) [µF] 0.22 1 1 Co [µF] 4.7 10 22 4.7 22 40 125 2.2 1 1.8 NOM MAX 6.5 250 UNIT V mA µF µF µF µF °C
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