Ordering number : ENA1252 Bi-CMOS LSI LV5622LP For Digital Still Camera Main/Back-up Power Supply Switching IC Overview The LV5622LP is a main/back-up power supply switching IC for digital still cameras (DSC) that provices three power supply switching modes (main battery, button battery, and external power supply). The IC incorporates an internal voltage detector circuit and features low power consumption. Functions • LDO × 3 • Input voltage detection circuit • Output switching voltage-detection-circuit • Reset voltage detection circuit (2.4V, 3.0V, 3.2V) (2.45V) (2.42V) (2.2V) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Supply voltage 1 VCC max1 VIN (main power supply input voltage) Supply voltage 2 VCC max2 VBATT (back-up power supply input voltage) Supply voltage 3 VCC max3 VBOOST (external power supply input voltage) Allowable power dissipation Pd max Ratings Unit 10 Mounted on a specified board. * V 5 V 10 V 550 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +125 °C * Specified board : 40mm × 50mm × 0.8mm, glass epoxy four-layer board (2S2P) Operating Conditions at Ta = 25°C Parameter Symbol Conditions Supply voltage 1 VCC1 VIN (main power supply input voltage) Supply voltage 2 VCC2 VBATT (back-up power supply input voltage) Supply voltage 3 VCC3 VBOOST (external power supply input voltage) Ratings Unit 2.7 to 4.8 V 3 V 3.5 to 6.0 V Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 71608 MS PC 20060719-S00001 No.A1252-1/6 LV5622LP Electrical Characteristics at Ta = 25°C, VIN = 3.7V, unless otherwise specified. Parameter Symbol Ratings Conditions min typ Unit max Current consumption 1 IIN No load, VIN = 3.7V, VBATT = 3.0V 14 25 μA Current consumption 2 IBATT1 No load, VIN = 3.7V, VBATT = 3.0V 0 0.5 μA Current consumption 3 IBATT2 No load, VIN = OPEN, VBATT = 3.0V 1.0 2.5 μA 2.40 2.45 V 150 250 mV 10 100 mV 5 20 Voltage regulator Output voltage 1 VOUT1 IOUT = 10mA Dropout voltage 1 Vdrop1 IOUT = 10mA Load stability 1 LDVOUT1 IOUT = 100μA-30mA Input stability 1 LNVOUT1 VIN = 2.7V-4.8V, IOUT = 1mA Output voltage temperature coefficient 1 ΔVOUT1 ΔTa · VOUT1 VCHG IOUT = 3mA Dropout voltage 2 Vdrop2 IOUT = 3mA Load stability 2 LDVCHG IOUT = 100μA-15mA Input stability 2 LNVCHG VIN = 3.4V-4.8V, IOUT = 3mA coefficient 2 ΔVCHG ΔTa · VCHG ±100 Ta = -30°C to +85°C Output voltage 2 Output voltage temperature 2.35 2.94 Output voltage 3 VOUT3 IOUT = 20mA Dropout voltage 3 Vdrop3 IOUT = 20mA 3.13 Load stability 3 LDVOUT3 IOUT = 100μA-60mA Input stability 3 LNVOUT3 VBOOST = 3.5V-5.2V, IOUT = 20mA Output voltage temperature coefficient 3 ΔVOUT3 ΔTa · VOUT3 3.00 3.06 V 150 250 mV 10 100 mV 5 20 ±100 Ta = -30°C to +85°C mV ppm/°C 3.20 3.27 V 300 350 mV 10 100 mV 5 20 ±100 Ta = -30°C to +85°C mV ppm/°C mV ppm/°C Voltage detection block BAT_OFF detection voltage -VDET1 BAT_OFF reset hysteresis width +VDET1 RESET detection voltage -VDET2 RESET reset hysteresis width +VDET2 RESET reset delay time tDELAY VIN detection voltage -VDET3 VIN reset hysteresis width +VDET3 VIN voltage detection 1 2.40 2.45 2.50 100 VOUT voltage detection 2.15 VIN voltage detection 2 2.20 V mV 2.25 V 100 mV 0.3 1.00 ms 2.37 2.42 2.47 40 V mV Δ-VDET1 ΔTa · -VDET1 Ta = -30°C to +85°C ±100 ppm/°C Δ-VDET2 ΔTa · -VDET2 Ta = -30°C to +85°C ±100 ppm/°C Δ-VDET3 ΔTa · -VDET3 Ta = -30°C to +85°C ±100 ppm/°C coefficient 3 Sink current ISINK Detection voltage temperature coefficient 1 Detection voltage temperature coefficient 2 Detection voltage temperature Leakage current VBATT side on resistance ILEAK RONBATT SW_VOUT side on resistance RONSW PULL_UPV side on resistance RONPULL VDS = 0.5V BAT_OFF 1.0 mA VIN = VBATT = 2.0V RESET 1.0 mA VOUT = 7V, VIN = 7V BAT_OFF 0.5 μA RESET 0.5 μA VIN = OPEN, VBATT = 3.0V, IOUT = 500μA 15 50 Ω VIN = OPEN, SW_VOUT = 3.0V, ISWVOUT = 1mA 50 80 Ω VIN = 3, PULL_UPV = 3.0V, IPULLUPV = 1mA 15 50 Ω Continued on next page. No.A1252-2/6 LV5622LP Continued from preceding page. Parameter Symbol Ratings Conditions min Unit typ max Control block SEL ON retention voltage VSELON SEL OFF retention voltage VSELOFF BACK_CNT ON retention voltage VBACKON BACK_CNT OFF retention voltage VBACKOFF SW_VOUT ON retention voltage VSWON SW_VOUT OFF retention voltage VSWOFF PULL_UPON ON retention voltage VUPON H Active 1.5 H Active 0.8VOUT V 0.3 L Active H Active V V 0.2VOUT V VOUT-2.0 V VOUT-0.5 V VOUT-0.5 V PULL_UPON OFF retention voltage VUPOFF VOUT-2.0 V DC_IN ON retention voltage VDCINON 0.3 V DC_IN OFF retention voltage VDCINOFF 2.0 V Package Dimensions TOP VIEW SIDE VIEW Allowable power dissipation, Pd max – mW unit : mm (typ) 3318 BOTTOM VIEW (0.125) (0.13) 2.6 16 0.4 2.6 (C0.116) 2 1 0.5 LASER MARKED INDEX (0.55) SIDE VIEW Pd max -- Ta 700 Specified board : 50×40×0.8mm3 glass epoxy 4-layer (2S2P) 600 550 500 400 300 220 200 100 0 – 30 – 20 0 20 40 60 80 85 100 0.25 (0.035) 0.8 Ambient temperature, Ta – °C SANYO : VCT16(2.6X2.6) VBOOST VOUT VIN VCHG Pin Assignment 12 11 10 9 VBATT 13 8 BACK_CNT SW_VOUT 14 7 BAT_OFF LV5622LP PULL_UPV 15 6 RESET 5 DC_IN 1 2 3 4 SW_ON PULL_UPON GND DC_IN SEL 16 Top view No.A1252-3/6 LV5622LP Block Diagram VOUT Li-Ion/ AC adaptor VIN (2.7 to 4.8V) LDO1 VBATT M1 REG 2.4V 30mA LDO3 VBATT P type Power supply detection 2.42V Hys width 40mV SW_VOUT P type REG 3.2V 60mA VBOOST SW_ON 10kΩ P type PULL_UPV SEL 200kΩ N type 22kΩ PULL_UPON BAT_OFF Power supply detection 2.45V : L 2.55V : H again Reset voltage Detection : 2.2V Hys width 0.1V N type 22kΩ RESET Delay circuit N type LDO2 REG 3.0V 15mA BACK_CNT VCHG 1.1kΩ Input : LDO2 turns on at H-level DC_IN 600Ω GND DC_IN Output voltage switching SEL pin SEL = L SEL = H Supply voltage VIN LDO1 VBATT M1 LDO3 VOUT VIN > 2.42V ON OFF OFF 2.4V (LDO1 output) VIN < 2.42V OFF ON OFF VBATT VIN > 2.42V OFF OFF ON 3.2V (LDO3 output) VIN < 2.42V OFF ON OFF VBATT No.A1252-4/6 LV5622LP Pin Functions Pin No. 1 Pin Name SW_ON Pin Description Pin Equivalent Circuit voltage SW_ON input pin. VOUT 1 14 SW_VOUT SW_VOUT pin. 2 PULL_UPON PULL_UPON input pin. 15 PULL_UPV PULL_UPV output pin. 50kΩ 14 0/VOUT VOUT 0/VOUT 2 50kΩ 15 22kΩ 7 BAT_OFF 3 GND Ground. 4 DC_IN DC_IN output pin. 5 DC_IN DC_IN input pin. 6 RESET RESET voltage detector output pin. BAT_OFF voltage detector output pin. 7 0/VOUT VOUT 1.1kΩ 5 600Ω 4 0/VOUT VOUT 22kΩ 6 8 BACK_CNT BACK_CNT input pin. VOUT 8 9 VCHG LDO2 output pin. 3.0V 20kΩ VOUT 9 DC 1.2V Continued on next page. No.A1252-5/6 LV5622LP Continued from preceding page. Pin No. Pin Name Pin Description 10 VIN Main battery power supply input pin. 11 VOUT VOUT output pin. Pin Equivalent Circuit voltage 10 2.6V/3.2V 10kΩ 13 11 13 VBATT Back-up power supply input pin. 12 VBOOST External power supply voltage input pin. 16 SEL SEL input pin. 12 VOUT 10kΩ 52kΩ 16 200kΩ SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of July, 2008. Specifications and information herein are subject to change without notice. PS No.A1252-6/6