xc9509c03cdr TOREX SEMICONDUCTOR LTD., xc9509c03cdr Datasheet
xc9509c03cdr
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xc9509c03cdr Summary of contents
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XC9509 Series Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage Detector ■GENERAL DESCRIPTION The XC9509 series consists of a step-down DC/DC converter and a high-speed LDO regulator connected in parallel with the DC/DC converter's output. A ...
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XC9509 Series ■PIN CONFIGURATION MSOP-10 (TOP VIEW) USP-10 (BOTTOM VIEW) *The dissipation pad for the USP-10 package should be solder-plated in recommended mount pattern and metal masking enhance mounting strength and heat release. If the pad needs ...
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DIAGRAM DCOUT ON/OFF CE Control AVDD U.V .L.O VDOUT ■ABSOLUTE MAXIMUM RATINGS PARAMETER A Pin Voltage VDD P Pin Voltage VDD D Pin Voltage COUT V Pin Voltage ROUT V Pin Current ROUT V Pin Voltage DOUT V Pin ...
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XC9509 Series ■ELECTRICAL CHARACTERISTICS XC9509xxxCAx ●Common Characteristics PARAMETER SYMBOL Supply Current 1 Supply Current 2 Stand-by Current (*1) Input Voltage Range CE ‘H’ Level Voltage CE ‘L’ Level Voltage CE ‘H’ Level Current CE ‘L’ Level Current MODE 'H' Level ...
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CHARACTERISTICS (Continued) XC9509xxxCAx (Continued) ●Regulator (3.3V product) PARAMETER SYMBOL Supply Current * XC9509H/K/L I DD_VR Output Voltage V ROUT(E) Maximum Output Current I Load Regulation Dropout Voltage 1 (*6) Vdif 1 Dropout Voltage 2 Vdif 2 Line Regulation ( ...
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XC9509 Series ■TEST CIRCUITS Circuit 1 Supply Current, Stand-by Current, CE Current, MODE Current Circuit 3 Output Voltage (DC/DC), Oscillation Frequency, U.V.L.O. Voltage, Soft-start Time, CE Voltage, Maximum Output Current, Efficiency, (PFM Duty Cycle), (MODE Voltage) Circuit ...
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CIRCUITS (Continued) Circuit 7 Current Limit 2 (VR), Short Circuit Current (VR) Circuit 9 VD Output Current * For the measurement of the VDD_Sense products, the input voltage was controlled. Circuit 11 Off-Leak Circuit 8 Detect Voltage, Release Voltage ...
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XC9509 Series ■TYPICAL APPLICATION CIRCUIT MSOP-10 (TOP VIEW 4.7μF (ceramic, TAIYO YUDEN) (ceramic, TAIYO YUDEN XB0ASB03A1BR (TOREX) *1 The DC/DC converter of the XC9508 series automatically switches between synchronous / non-synchronous. The Schottky diode is ...
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EXPLANATION (Continued) ●DC/DC Converter (Continued) <PWM/PFM> The PWM control of the XC9509A to F series are controlled on a specified frequency from light loads through the heavy loads. Since the frequency is specified, the composition of a noise filter ...
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XC9509 Series ■OPERATIONAL EXPLANATION (Continued) ●DC/DC Converter (Continued) <Current Limit> The current limiter circuit of the XC9509 series monitors the current flowing through the P-channel MOS driver transistor connected to the Lx pin, and features a combination of the constant-current ...
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EXPLANATION (Continued) ●Voltage Detector The detector block of the XC9509 series detects output voltage from the V V internally. ROUT (N-channel Open Drain Type) <CE Pin Function> The operation of the XC9509 series' DC/DC converter block and voltage regulator ...
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XC9509 Series ■NOTES ON USE (Continued) ●DC/DC Waveform (3.3V, 1.2MHz)(Continued) 5. The IC's DC/DC converter operates in synchronous mode when the coil current continuous state and non-synchronous mode when the coil current discontinuous state. ...
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ON USE (Continued) ●DC/DC Waveform (3.3V, 1.2MHz) (Continued) 7. With the DC/DC converter of the IC, the peak current of the coil is controlled by the current limit circuit. Since the peak current increases when dropout voltage or load ...
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XC9509 Series ■NOTES ON USE (Continued) ●Instructions on Pattern Layout 1. In order to stabilize V 's voltage level, we recommend that a by-pass capacitor (C IN possible to the AVDD & AGND pins. Should it not be possible to ...
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PERFORMANCE CHARACTERISTICS (A) DC/DC CONVERTER (1) Efficiency vs. Output Current XC9509 Series 15/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (2) Output Voltage VS. Output Current 16/41 ...
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PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (3) Output Voltage vs. Ripple Voltage XC9509 Series 17/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (4) Output Voltage vs. Ambient Temperature DC/DC:0.9V,1.2MHz CIN=4.7uF,CL=10.0uF,L=4.7uH(CDRH4D28C) 1.1 IDOUT=0.1mA 10mA 100mA 1.0 0.9 0.8 0.7 -50 - Ambient Temperature : Ta ( ℃ ) DC/DC:4.0V,1.2MHz CIN=4.7uF,CL=10.0uF,L=4.7uH(CDRH4D28C) 4.2 ...
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PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (6) DC/DC Supply Current vs. Ambient Temperature (VR: Shutdown)* DC/DC:1.2MHz CE=VIN,DCOUT=VIN,MODE=0V(VR:SHUTDOWN) 500 DCOUT=0.9V 400 300 200 100 0 -50 - Ambient Temperature : Ta ( ℃ ) DC/DC:300kHz CE=VIN,DCOUT=VIN,MODE=0V(VR:SHUTDOWN) ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (7) LX Pch/Nch ON Resistance vs. Input Voltage DC/DC:LX Pch CE=VIN,LX=VIN-0.05V, DCOUT=0V 1.0 0.8 Ta= 85 ℃ 0.6 0.4 0.2 Ta= -40 ℃ 0.0 2.0 3.0 4.0 Input Voltage : ...
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PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (10-1) DC/DC Load Transient Response (D (a) PWM Control (b) PWM/PFM Automatic Switching Control* (*XC9509H/K/L Series Only) : 1.8V, FOSC: 1.2MHz) COUT XC9509 Series 21/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (10-2) DC/DC Load Transient Response (*D (a) PWM Control (b) PMM/PFM Automatic Switching Control* (*XC9509H/K/L Series Only) 22/41 : 3.3V, FOSC: 1.2MHz) COUT ...
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PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (10-3) DC/DC Load Transient Response (*DCOUT: 1.8V, FOSC: 600kHz) (a) PWM Control (b) PMM/PFM Automatic Switching Control* (*XC9509H/K/L Series Only) XC9509 Series 23/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (10-4) DC/DC Load Transient Response (D (a) PWM Control (b) PMM/PFM Automatic Switching Control* (*XC9509H/K/L Series Only) 24/41 : 3.3V, FOSC: 600kHz) COUT ...
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PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (10-5) DC/DC Load Transient Response (D (a) PWM Control (b) PMM/PFM Automatic Switching Control* (*XC9509H/K/L Series Only) T: 1.8V, FOSC: 600kHz) COU XC9509 Series 25/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (A) DC/DC CONVERTER (Continued) (10-6) DC/DC Load Transient Response (D (a) PWM Control (b) PMM/PFM Automatic Switching Control* (*XC9509H/K/L Series Only) 26/41 : 3.3V, FOSC: 600kHz) COUT ...
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PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (1) Output Voltage vs. Input Voltage VR:0.9V Ta=25℃,CIN=4.7uF,CL=4.7uF 1.3 1.1 0.9 0.7 0.5 0.3 1.2 1.4 1.6 Input Voltage : VIN (V) VR:2.5V Ta=25 ℃ ,CIN=4.7uF,CL=4.7uF 2.9 2.7 2.5 2.3 2.1 1.9 2.0 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (2) Output Voltage vs. Output Current (Current Limit) Output Current : IROUT (mA) Output Current : IROUT (mA) Output Current : IROUT (mA) 28/41 Output Current : IROUT (mA) Output ...
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PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (3) Dropout Voltage vs. Output Current VR:0.9V 1.0 0.8 0.6 Ta= 85℃ 25℃ 0.4 Ta= -40℃ 0.2 0 100 Output Current : IROUT (mA) VR:4.0V 0.5 0.4 0.3 0.2 Ta= ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (4) Output Voltage vs. Output Current VR:0.9V VIN=2.4V,CIN=4.7uF,CL=4.7uF 1.1 1.0 0.9 0.8 Ta= 85 ℃ 0.7 0 100 Output Current : IROUT (mA) VR:4.0V VIN=5.0V,CIN=4.7uF,CL=4.7uF 4.2 Ta= ...
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PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (5) VR Supply Current vs. Ambient Temperature (DC/DC Shutdown)* Ambient Temperature : Ta (℃) Ambient Temperature : Ta (℃) Ambient Temperature : Ta (℃) XC9509 Series 31/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (6) Output Voltage vs. Ambient Temperature 32/41 ...
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PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (7) Ripple Rejection Ratio vs. Ripple Frequency XC9509 Series 33/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (B) VOLTAGE REGULATOR (Continued) (8) VR Load Transient Response 34/41 ...
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PERFORMANCE CHARACTERISTICS (Continued) (C) VOLTAGE DETECTOR (1) Output Current vs. Input Voltage (2) Detect Voltage vs. Input Voltage XC9509 Series 35/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (C) VOLTAGE DETECTOR (Continued) (3)DETECT VOLTAGE , RELEASE VOLTAGE vs. AMBIENT TEMPERATURE (3) Detect Voltage, Release Voltage vs. Ambient Temperature VD:0.9V 1.5 1.3 1.1 VDR 0.9 VDF 0.7 0.5 -50 - Ambient ...
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PERFORMANCE CHARACTERISTICS (Continued) (D) COMMON (1) Supply Current vs. Ambient Temperature (DC/DC & VR & VD) Ambient Temperature : Ta (℃) (2) Shutdown Current vs. Input Voltage (3) Shutdown Current vs. Ambient Temperature XC9509 Series 37/41 ...
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XC9509 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (D) COMMON (Continued) (4) CE Pin Threshold Voltage vs. Ambient Temperature (5) MODE Pin Threshold Voltage vs. Ambient Temperature 38/41 ...
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INFORMATION ●MSOP-10 ●USP-10 Recommended Pattern Layout 2.3 ●USP-10 * Soldering fillet surface is not ●USP-10 Recommended Metal Mask Design XC9509 Series formed because the sides of the pins are not plated 39/41 ...
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XC9509 Series ■MARKING RULE ●MSOP-10, USP-10 USP-10 (TOP VIEW) MSOP-10 (TOP VIEW) 40/41 ①Represents product series MARK 8 ②Represents DC/DC control methods and MODE pin MODE PIN MARK DC/DC CONTROL PWM Control D E DC/DC: OFF F ...
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... Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd. XC9509 Series 41/41 ...