US2236095DG-S08-R [UTC]

ULTRA SMALL, LOW INPUT VOLTAGE, LOW RON, LOAD SWITCHES;
US2236095DG-S08-R
型号: US2236095DG-S08-R
厂家: Unisonic Technologies    Unisonic Technologies
描述:

ULTRA SMALL, LOW INPUT VOLTAGE, LOW RON, LOAD SWITCHES

驱动 输入元件 接口集成电路
文件: 总6页 (文件大小:159K)
中文:  中文翻译
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UNISONIC TECHNOLOGIES CO., LTD  
US2236095D  
Preliminary  
CMOS IC  
ULTRA SMALL, LOW INPUT  
VOLTAGE, LOW RON, LOAD  
SWITCHES  
DESCRIPTION  
UTC US2236095D are ultra-small, low ON resistance (RON  
)
load switches with controlled turn on. The devices contain a  
P-channel MOSFET that operates over an input voltage range of  
1.0~3.6V. The switch is controlled by an on/off input (ON), which is  
capable of interfacing directly with low-voltage control signals. In  
UTC US2236095D a 120on-chip load resistor is added for output  
quick discharge when the switch is turned off.  
SOP-8  
FEATURES  
* Low Input Voltage: 1.0V~3.6V  
* Ultra-Low ON Resistance  
RON = 78 mat VIN = 3.6V  
RON = 93 mat VIN = 2.5V  
RON = 109 mat VIN = 1.8V  
RON = 146 mat VIN = 1.2V  
* 500mA Maximum Continuous Switch Current  
* Ultra Low Quiescent Current: 82nA at 1.8V  
* Ultra Low Shutdown Current: 44nA at 1.8V  
* Low Control Input Thresholds Enable Use of 1.2V/1.8V/2.5V/3.3V  
Logic  
* Controlled Slew Rate to Avoid Inrush Currents  
US2236095: 40μs TR  
ORDERING INFORMATION  
Ordering Number  
Package  
SOP-8  
Packing  
Tape Reel  
Lead Free  
Halogen Free  
US2236095DG-S08-R  
US2236095DL-S08-R  
MARKING  
www.unisonic.com.tw  
Copyright © 2017 Unisonic Technologies Co., Ltd  
1 of 6  
QW-R129-025.b  
US2236095D  
Preliminary  
CMOS IC  
PIN CONFIGURATION  
PIN DESCRIPTION  
PIN NO.  
1, 8  
2, 3  
4
PIN NAME  
NC  
DESCRIPTION  
VIN  
Switch input, bypass this input with a ceramic capacitor to ground  
ON  
Switch control input, active high  
Ground  
5
GND  
VOUT  
6, 7  
Switch output  
BLOCK DIAGRAM  
A2  
Turn-On Slew Rate  
Controlled Driver  
Control  
Logic  
B2  
ESD Protection  
A1  
VOUT  
Output Discharge  
B1  
GND  
FUNCTION TABLE  
ON (Control Input)  
VIN to VOUT  
OFF  
VOUT to GND  
ON  
L
H
ON  
OFF  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 6  
www.unisonic.com.tw  
QW-R129-025.b  
US2236095D  
Preliminary  
CMOS IC  
ABSOLUTE MAXIMUM RATING  
PARAMETER  
SYMBOL  
VIN  
RATINGS  
4.0  
UNIT  
V
Input Voltage Range  
Output Voltage Range  
VOUT  
VON  
VIN+0.3  
4.0  
V
Input Voltage Range  
V
Maximum Continuous Switch Current  
Power Dissipation  
IMAX  
500  
mA  
W
PD  
0.48  
Maximum junction Temperature  
Operating Temperature Range  
Storage Temperature Range  
TJ  
+125  
°C  
°C  
°C  
TOPR  
TSTG  
-40 ~ +85  
-65 ~ +150  
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.  
Absolute maximum ratings are stress ratings only and functional device operation is not implied.  
THERMAL DATA  
PARAMETER  
SYMBOL  
RATINGS  
205  
UNIT  
°C/W  
Junction to Ambient  
θJA  
RECOMMENDED OPERATING CONDITIONS  
PARAMETER  
SYMBOL  
MIN  
1.0  
TYP  
MAX  
3.6  
UNIT  
V
Input Voltage Range  
VIN  
VOUT  
VIH  
Output Voltage Range  
VIN  
High-Level Input Voltage, ON  
Low-Level Input Voltage, ON  
Input Capacitor (Note)  
0.85  
1.0  
3.6  
V
V
VIL  
0.4  
CIN  
μF  
Note: See Application Information.  
ELECTRICAL CHARACTERISTICS (VIN=1.0V~3.6V, TA=25°C unless otherwise specified)  
TYP  
(Note)  
37  
PARAMETER  
SYMBOL  
IIN  
TEST CONDITIONS  
VIN=1.1V  
MIN  
MAX  
UNIT  
120  
235  
880  
210  
260  
700  
140  
230  
610  
95  
Quiescent Current  
IOUT=0, VIN=VON  
nA  
nA  
nA  
VIN=1.8V  
VIN=3.6V  
VIN=1.1V  
VIN=1.8V  
VIN=3.6V  
VIN=1.1V  
VIN=1.8V  
VIN=3.6V  
VIN=3.6V  
VIN=2.5V  
VIN=1.8V  
VIN=1.2V  
VIN=1.1V  
82  
204  
22  
OFF-State Supply Current  
OFF-State Switch Current  
IIN (OFF) VON=GND, OUT=Open  
IIN (LEAKAGE) VON=GND, VOUT=0  
44  
137  
22  
45  
137  
78  
93  
110  
130  
200  
330  
ON-State Resistance  
RON  
IOUT=-200mA  
mꢀ  
109  
146  
174  
VIN=3.3V, VON=0, IOUT=30mA  
(UTC US2236095D/UTC  
US2236095DB only)  
Output Pulldown Resistance  
ON input Leakage Current  
RPD  
ION  
88  
120  
25  
VON=1.1V~3.6 V or GND  
nA  
Note: Typical values are at the specified VIN and TA=25°C.  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
3 of 6  
QW-R129-025.b  
US2236095D  
Preliminary  
CMOS IC  
SWITCHING CHARACTERISTICS (VIN=3.6V, TA=25°C unless otherwise specified)  
PARAMETER  
SYMBOL  
tON  
TEST CONDITIONS  
CL=0.1μF  
MIN  
TYP  
33  
MAX  
UNIT  
Turn-ON Time  
Turn-OFF Time  
VOUT Rise Time  
RL=500ꢀ  
RL=500ꢀ  
RL=500ꢀ  
RL=500ꢀ  
μs  
CL=1μF  
39  
CL=3.3μF  
CL=0.1μF  
CL=1μF  
46  
7
tOFF  
μs  
μs  
μs  
46  
CL=3.3μF  
CL=0.1μF  
CL=1μF  
156  
25  
tR  
28  
CL=3.3μF  
CL=0.1μF  
CL=1μF  
34  
14  
VOUT Fall Time  
tF  
139  
512  
CL=3.3μF  
Note: RL_Chip =120.  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
4 of 6  
QW-R129-025.b  
US2236095D  
Preliminary  
CMOS IC  
TYPICAL APPLICATIONS  
LOAD  
VIN  
VOUT  
SMPS  
VBATT  
(Note A)  
ON  
UTC US2236095D  
GND  
CL  
RL  
CIN=1μF  
OFF  
GND  
GND  
Note A. Switched mode power supply  
TEST CIRCUIT AND WAVEFORMS  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
5 of 6  
QW-R129-025.b  
US2236095D  
Preliminary  
CMOS IC  
APPLICATION INFORMATION  
ON/OFF Control  
The ON pin controls the state of the switch. Activating ON continuously holds the switch in the on state so long as  
there is no fault. ON is active-high and has a low threshold, making it capable of interfacing with low voltage signals.  
The ON pin is compatible with standard GPIO logic threshold. It can be used with any microcontroller with 1.2V, 1.8V,  
2.5V or 3.3V GPIOs.  
Input Capacitor  
To limit the voltage drop on the input supply caused by transient in-rush currents when the switch turns on into a  
discharged load capacitor or short-circuit, a capacitor needs to be placed between VIN and GND. A 1.0μF ceramic  
capacitor, CIN, place close to the pins is usually sufficient. Higher values of CIN can be use to further reduce the  
voltage drop during high current application. When switching heavy loads, it is recommended to have an input  
capacitor about 10 times higher than the output capacitor, this in order to avoid excessive voltage drop.  
Output Capacitor  
Due to the integral body diode in the PMOS switch, a CIN greater than CL is highly recommended. A CL greater  
than CIN can cause VOUT to exceed VIN when the system supply is removed. This could result in current flow through  
the body diode from VOUT to VIN.  
Board Layout  
For best performance, all traces should be as short as possible. To be most effective, the input and output  
capacitors should be placed close to the device to minimize the effects that parasitic trace inductances may have on  
normal and short-circuit operation. Using wide traces for VIN, VOUT, and GND helps minimize the parasitic electrical  
effects along with minimizing the case-to-ambient thermal impedance.  
UTC 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 UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
UNISONIC TECHNOLOGIES CO., LTD  
www.unisonic.com.tw  
6 of 6  
QW-R129-025.b  

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