ST730ACDTR STMicroelectronics, ST730ACDTR Datasheet
![IC CONV DC/DC PWM 5V STPDN 8SOIC](/photos/1/38/13851/497-8-soic_sml.jpg)
ST730ACDTR
Specifications of ST730ACDTR
Related parts for ST730ACDTR
ST730ACDTR Summary of contents
Page 1
CURRENT-MODE PWM DC-DC CONVERTERS UP TO 450mA LOAD CURRENTS 200kHz HIGH-FREQUENCY CURRENT-MODE PWM 85% TO 96% EFFICIENCIES 100 H PRE-SELECTED INDUCTOR VALUE, NO COMPONENT DESIGN REQUIRED 0.8mA QUIESCENT CURRENT 0.3µA SHUTDOWN SUPPLY CURRENT ADJUSTABLE OUTPUT VOLTAGE OVERCURRENT, ...
Page 2
ST730A ABSOLUTE MAXIMUM RATINGS Symbol V DC Input Voltage CC V Switch Pin Voltage LX V Shutdown Voltage (SHDN) SHDN V ,V Soft Start (SS) and Compensation Capacitor (CC) Pins Voltage Switching Peak Current LX I Reference ...
Page 3
CONNECTION DIAGRAM (top view) PIN DESCRIPTION Pin N° Symbol 1 SHDN 2 REF OUT 6 GND Name and Function Shutdown control (active low): If connected to GND the IC is ...
Page 4
ST730A ELECTRICAL CHARACTERISTICS (V Symbol Parameter V Input Voltage CC V Output Voltage O V Line Regulation O V Load Regulatio O Power Efficency I Supply Current SUPPLY V SHDN Input High Threshold IH V SHDN Input Low Threshold IL ...
Page 5
TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified T Figure 1 : Efficency vs Output Current Figure 2 : Supply Current vs Temperature Figure 3 : Oscillator Frequency vs Temperature = 25°C j Figure 4 : Oscillator Frequency vs Input Voltage Figure ...
Page 6
ST730A Figure 7 : Switching Waveforms, Continuous Conduction V =6V to 11V, I =300mA I O Figure 8 : Switching Waveforms, Discontinuous Conduction V =6V to 11V, I =300mA I O 6/9 Figure 9 : Line Transient Figure 10 : ...
Page 7
Plastic DIP-8 MECHANICAL DATA mm. DIM. MIN. TYP A 3.3 a1 0.7 B 1.39 B1 0.91 b 0 8.8 e 2.54 e3 7. 3.3 Z 0.44 inch MAX. MIN. TYP. 0.130 ...
Page 8
ST730A DIM. MIN. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4. 5.80 h 0.25 L 0.40 k ddd 8/9 SO-8 MECHANICAL DATA mm. TYP MAX. 1.75 0.25 1.65 0.51 0.25 5.00 4.00 ...
Page 9
... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications entioned in this publication are subject to change without notice. This publication supersedes and replaces all information eviously supplied ...