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The TPS730xx family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow-noise, fast start-up, and excellent line and load transient responses a small SOT23 package. ach device in the family is stable, with a small 2.2-F ceramic capacitor on the output. The TPS730xx family uses an dvanced, proprietary BiCMOS fabrication process to, yield low dorpout voltages (e.g.120mV at 200 A.TPS73030).Each device achieves fast start-up times (approximately 50 s with a 0.001-F bypass capacitor) while consuming low quiescent current (170 A typical). Moreover, when the device is placed in standby mode .the supply urrent is reduced to less than 1A .the TPS73018 exhibits approximately 23 VRMS of output voltage noise at 2.8-V output with a 0.01-F bypass capacitor. Appli- cations with analog components that are noise-sensitive, such as ortable RF electronics, benefit from the high PSRR and low-noise features as well as the fast response time.
TPS73018 Maximum Ratings
UNIT
VIN range
-0.3 V to 6 V
VEN range
-0.3 V to VIN + 0.3 V
VOUT range
-0.3 V to 6 V
Peak output current
Internally limited
ESD rating, HBM
2kV
ESD rating, CDM
500V
Continuous total power dissipation
See Dissipation Ratings Table
Junction temperature range
-40°C to 150°C
Storage temperature range, Tstg
-65°C to 150°C
(1) 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.
TPS73018 Features
` 200-mA RF Low-Dropout Regulator With Enable ` Available in 1.8-V, 2.5-V, 3-V, 3.3-V, and Adjustable (1.22-V to 5.5-V) ` High PSRR (68dB at 1 kHz) ` Ultralow-Noise (23 VRMS, TPS73018 ` Fast Start-Up Time (50 s) ` Stable With a 2.2-F Ceramic Capacitor ` Excellent Load/Line Transient Response ` Very Low Dropout Voltage (120 mV at Full Load) ` 5- and 6-Pin SOT23 (DBV) Package
TPS73018 Typical Application
· RF: VCOs, Receivers, ADCs · Audio · Cellular and Cordless Telephones as well as the fast response time. · Bluetooth™, Wireless LAN · Handheld Organizers, PDAs