ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Description ACE306 is a series of high precision voltage detector with ultra low current consumption (500nA typ. at Vdd=3.0V) and a built-in delay circuit. It can work at very low voltage, which makes it perfect for system reset. ACE306 is composed of high precision voltage reference, comparator, delay circuit, output driver and resistor array. Internally preset detect voltage has a low temperature drift and requires no external trimming. Two type of output, CMOS and N-channel open-drain are available. Features High-precision detection Voltage：2% Detection Voltage：0.9V~6.0V (in 0.1V steps) Built-in Power on Reset Delay Time circuit::Refer to Selection Guide Operating Voltage range：0.7V~10V Ultra-low current consumption：500nA typ. (at VDD＝3.0V) Two Output forms ：CMOS and N-channel open-drain (Active Low) Application Power monitor for portable equipment such as PDA, DSC, Mobile phone,Notebook,MP3 CPU and Logic Circuit Reset Battery Checker Battery Back-up Circuit Power Failure Detector Absolute Maximum Ratings Parameter Max Unit Input Voltage -0.3~12 V Output Voltage -0.3~12 V Output Current 70 mA Power Dissipation 150 mW Ambient temperature -40~85 ℃ Storage temperature -40~125 ℃ VER 1.3 1 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Packaging Type SOT-23-3 3 SOT-23-3 SOT-23-5 Description 1 2 SOT-23-5 5 1 2 3 VSS GND Pin 1 1 VOUT Voltage detection output pin 3 2 VDD Voltage input Pin 4 NC No connection 5 CD Connection pin for delay capacitor 4 2 Function 3 Ordering information ACE306 X XXX X XX + H Halogen - free Pb - free Package type BM: SOT-23-3 BN: SOT-23-5 Delay time: A:50ms / B:100ms / C:150ms / D:200ms / E:250ms / F:300ms / G:400ms Detector Voltage: 090…0.9V / 100…1.0V / 263…2.63V / 300…3.0V / 465…4.65V…..600…6.0V (In 0.1V step) Output type: N: Nch C: CMOS VER 1.3 2 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Recommended Work Conditions Item Min Input Voltage (Vin) 0.7 Ambient Temperature (TJ) -40 Typ. 25 Max Unit 10 V 85 ℃ Block diagram N channel open-drain CMOS output Electrical Characteristics ACE306N090DBM+ (0.9V) (Topt=25℃, Unless otherwise specified) Symbol Parameter -VDET Detector Threshold ISS Current consumption VDDH Maximum operating voltage VDDL Minimum Operating voltage IOUT Output current Conditions Reference data Typ. Max. 0.882 0.9 0.918 V 1 1.5 uA 10 V VDD=2.9V Nch VDS=0.05V，VDD=0.7V VDS=0.50V，VDD=0.8V Pch VDS=-2.1V，VDD=4.50V Unit Min. 0.5 V 0.01 0.05 0.05 0.50 mA 1.0 2.0 mA VER 1.3 3 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD ACE306N270DBM+ (2.7V) (Topt=25℃, Unless otherwise specified) Symbol Parameter -VDET Detector Threshold ISS Current consumption VDDH Maximum operating voltage VDDL Minimum Operating voltage Conditions Parameter -VDET Detector Threshold ISS Current consumption VDDH Maximum operating voltage VDDL Minimum Operating voltage Conditions Typ. Max. 2.646 2.7 2.754 V 0.5 1 uA 10 V 0.5 V 0.01 0.05 mA 1.0 2.0 mA Reference data Min. Typ. Max. 2.94 VDD=5.0V Detector Threshold 3.06 V 0.5 1 uA 10 V 0.5 ISS Current consumption VDDH Maximum operating voltage VDDL Minimum Operating voltage IOUT Output current 3.332 VDD=5.0V Nch VDS=0.05V，VDD=0.7V Pch VDS=-2.1V，VDD=4.50V Unit 3.0 V Nch 0.01 0.05 VDS=0.05V，VDD=0.7V IOUT Output current Pch 1.0 2.0 VDS=-2.1V，VDD=4.50V ACE306N340DBM+ (3.4V) (Topt=25℃, Unless otherwise specified) Reference data Symbol Parameter Conditions Min. Typ. Max. -VDET Unit Min. VDD=4.7V Nch VDS=0.05V，VDD=0.7V IOUT Output current Pch VDS=-2.1V，VDD=4.50V ACE306N300DBM+ (3.0V) (Topt=25℃, Unless otherwise specified) Symbol Reference data mA mA Unit 3.4 3.468 V 0.5 1 uA 10 V 0.5 V 0.01 0.05 mA 1.0 2.0 mA VER 1.3 4 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD ACE306N440DBM+ (4.4V) (Topt=25℃, Unless otherwise specified) Symbol Parameter -VDET Detector Threshold ISS Current consumption VDDH Maximum operating voltage VDDL Minimum Operating voltage IOUT Reference data Conditions Typ. Max. 4.312 4.4 4.488 V 0.5 1 uA 10 V VDD=6.4V Nch VDS=0.05V，VDD=0.7V Pch VDS=-2.1V，VDD=8.0V Output current Unit Min. 0.5 V 0.01 0.05 mA 1.5 3.0 mA Electrical Characteristics By Detector Threshold Detector Threshold Supply Current1 Supply Current2 -Vdet[V] Iss1[uA] Iss2[uA] Part Number Min Typ Max ACE306X090XXX+ 0.882 0.900 0.918 ACE306X100XXX+ 0.980 1.000 1.020 ACE306X110XXX+ 1.078 1.100 1.122 ACE306X120XXX+ 1.176 1.200 1.224 ACE306X130XXX+ 1.274 1.300 1.326 ACE306X140XXX+ 1.372 1.400 1.428 ACE306X150XXX+ 1.470 1.500 1.530 ACE306X160XXX+ 1.568 1.600 1.632 ACE306X170XXX+ 1.666 1.700 1.734 ACE306X180XXX+ 1.764 1.800 1.836 ACE306X190XXX+ 1.862 1.900 1.938 ACE306X200XXX+ 1.960 2.000 2.040 ACE306X210XXX+ 2.058 2.100 2.142 ACE306X220XXX+ 2.156 2.200 2.244 ACE306X230XXX+ 2.254 2.300 2.346 ACE306X240XXX+ 2.352 2.400 2.448 ACE306X250XXX+ 2.450 2.500 2.550 ACE306X260XXX+ 2.548 2.600 2.652 ACE306X270XXX+ 2.646 2.700 2.754 ACE306X280XXX+ 2.744 2.800 2.856 ACE306X290XXX+ 2.842 2.900 2.958 ACE306X300XXX+ 2.940 3.000 3.060 Condition Typ Max Vdd= (-Vdet) +0.1V Condition Typ Max 1.0 1.5 0.5 1.0 Vdd= 0.5 1.0 (-Vdet) +2V VER 1.3 5 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD ACE306X310XXX+ 3.038 3.100 3.162 ACE306X320XXX+ 3.136 3.200 3.264 ACE306X330XXX+ 3.234 3.300 3.366 ACE306X340XXX+ 3.332 3.400 3.468 ACE306X350XXX+ 3.430 3.500 3.570 ACE306X360XXX+ 3.528 3.600 3.672 ACE306X370XXX+ 3.626 3.700 3.774 ACE306X380XXX+ 3.724 3.800 3.876 ACE306X390XXX+ 3.822 3.900 3.978 ACE306X400XXX+ 3.920 4.000 4.080 ACE306X410XXX+ 4.018 4.100 4.182 ACE306X420XXX+ 4.116 4.200 4.284 ACE306X430XXX+ 4.214 4.300 4.386 ACE306X440XXX+ 4.312 4.400 4.488 ACE306X450XXX+ 4.410 4.500 4.590 ACE306X460XXX+ 4.508 4.600 4.692 ACE306X470XXX+ 4.606 4.700 4.794 ACE306X480XXX+ 4.704 4.800 4.896 ACE306X490XXX+ 4.802 4.900 4.998 ACE306X500XXX+ 4.900 5.000 5.100 ACE306X510XXX+ 4.998 5.100 5.202 ACE306X520XXX+ 5.096 5.200 5.304 ACE306X530XXX+ 5.194 5.300 5.406 ACE306X540XXX+ 5.292 5.400 5.508 ACE306X550XXX+ 5.390 5.500 5.610 ACE306X560XXX+ 5.488 5.600 5.712 ACE306X570XXX+ 5.586 5.700 5.814 ACE306X580XXX+ 5.684 5.800 5.916 ACE306X590XXX+ 5.782 5.900 6.018 ACE306X600XXX+ 5.880 6.000 6.120 VER 1.3 6 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Minimum Output Current1 Output Current2 Detector Threshold Operating Temperature Coefficient Voltage Iout1[mA] Condition Iout2[mA] Min. Typ. Condition VDDL[V] Min. Typ. Typ. - Max. Condition Typ. 0.7 -40℃ Topt 85℃ 100 VDD=0.85V 0.1 0.5 NCH, VDS=0.05V,VDD=0.7V 0.01 0.05 NCH,VDS=0.5V VDD=1.0V 0.2 1.0 0.5 VDD=1.5V 1.0 2.0 Electrical Characteristics By Output Delay Time Part Number Test Condition Output Delay Time Min Typ Max ACE306XXXXAXX+ 45 50 55 ACE306XXXXBXX+ 90 100 110 ACE306XXXXCXX+ 135 150 165 180 200 220 ACE306XXXXEXX+ 225 250 275 ACE306XXXXFXX+ 270 300 330 ACE306XXXXGXX+ 360 400 440 ACE306XXXXDXX+ VDD=1.0V to Vdet+1.0V Unit ms Function description High precision low temperature co-efficiency reference voltage is applied to the negative input of a comparator. Input voltage, divided by resistor array of Ra and Rb, is applied to the positive input of the comparator. Output of the comparator passes a delay circuit and a series of buffer to drive the output CMOS pair. VDET =VREF*(1+Ra/Rb) VER 1.3 7 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD No Operation status Output status I VDD>Vdet Output voltage is equal to the supply voltage II Output voltage equals to GND level IV VDD drops below Vdet VDD drops further below VDDL VDD rises above VDDL V VDD rises above Vdet Output voltage equals to supply voltage after Tdelay III Output voltage is undefined Output voltage equals to GND level Typical Circuits (1) Supply current test circuit ACE306 (2) Detector threshold test circuit ACE306 VER 1.3 8 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD (3) NCH Drive Output Current Test Circuit AC306 (2) PCH Drive Output Current Test Circuit ACE306 Typical Performance Characteristics 1. Supply current VS. Input Voltage Detector threshold=0.9V Input voltage (V) Detector threshold=3.0V Input voltage (V) Detector threshold=2.7V Input Voltage (V) Detector threshold=4.4V Input Voltage (V) VER 1.3 9 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD 2. Detector Threshold VS. Temperature Detector threshold=0.9V Temperature (℃) Detector threshold=3.0V Detector threshold=2.7V Temperature (℃) Detector threshold=4.4V Temperature (℃) Temperature (℃) 3. Nch Driver Output Current VS. VDS ACE306X090XXX+ VDS (V) ACE306X270XXX+ VDS (V) VER 1.3 10 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD ACE306X300XXX+ VDS (V) ACE306X440XXX+ VDS (V) 4. Nch Driver Output Current VS. Input Voltage Detector threshold=2.7V Input Voltage Vin (V) Detector threshold=3.0V Input Voltage Vin (V) 5. PCH Driver Output Current VS. Input Current Detector threshold=0.9V Input Voltage Vin (V) Detector threshold=2.7V Input Voltage Vin (V) VER 1.3 11 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Detector threshold=4.4V Input Voltage Vin (V) Typical Applications ACE306 Note: 1. R0 is unnecessary for CMOS output products. 2. The value of R0 need to be selected in different application, Typical value is 470kΩ VER 1.3 12 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Packing Information SOT-23-3 VER 1.3 13 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Packing Information SOT-23-5 VER 1.3 14 ACE306 Low Voltage Detector with Built-in Delay Circuit / SSD Notes ACE does not assume any responsibility for use as critical components in life support devices or systems without the express written approval of the president and general counsel of ACE Electronics Co., LTD. As sued herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and shoes failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. ACE Technology Co., LTD. http://www.ace-ele.com/ VER 1.3 15