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Impala Linear Corporation
ILC7362
SOT-23 CMOS Negative LDO
General Description 100mA negative LDO in SOT-23 package. This CMOS device regulates a negative supply down to a fixed voltage level at 2% accuracy. It offers exceptional LDO performance of 120mV dropout at 50mA current levels. The device also comes in a 3-lead SOT-89 package, for a number of voltage and current offerings.
Features * All-CMOS design in SOT-23 and SOT-89 packages gives optimal size and power performance * 2% precistion outputs * 3A of Iq * Package and Voltage options alow: 100mA-5V Regulator 50mA-3V Regulator 100mA-5V to -3V Convertor 50mA-5V to -3V Convertor Applications * * * * * Battery-powered Equipment Reference voltage sources Portable Cameras and Video Recorders Power Failure Detection PDAs
Block Diagram
VDD(GND)
Ordering Information ILC7362CP-50 100mA-5V Regulator SOT-89 Package
REFERENCE VOLTAGE SOURCE
+
-VIN
ILC7362CP-30
100mA-5V to -3V Convertor, or 50mA-5V Regulator SOT-89 Package
-VOUT
ILC7362CM-30
50mA-5V to -3V Convertor SOT-23 Package
Pin-Package Configurations
VDD
*Standard product offering comes in tape & reel, quantity 3000 per reel, orientation right for SOT-23, quantity 1000 per reel, orientation right for SOT-89.
2
SOT-23
(TOP VIEW)
1 3 1
SOT-89
(TOP VIEW)
2 3
-VOUT
-VIN
-VOUT
VDD
-VIN
Impala Linear Corporation
ILC7362 1.1
(408) 574-3939
www.impalalinear.com
Oct 1999
1
SOT-23 CMOS Negative LDO
Absolute Maximum Ratings (TA = 25C)
Parameter Input Voltage Output Current Output Voltage Continuous Total Power Dissipation Storage Temperature SOT-23 SOT-89 Symbol VIN IOUT VOUT PD Topr Tstg Ratings -12 200 -VDD-0.3~VIN+0.3 150 500 -30~+85 -40~+125 Units V mA V mW C C
Operating Ambient Termperature
Electrical Characteristics ILC7362CP-50
Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Supply Current Input Stability Input Voltage Output Voltage Temperature Characteristics Symbol VOUT IOUTmax VOUT Vdif ISS VOUT VIN*VOUT VIN VOUT Topr*VOUT IOUT = 20mA -30C < Topr < 80C 100 Conditions IOUT = 20mA, VIN = -7.0V VIN = -7.0V, VOUT > -4.5V VIN = -7.0V, 1mA < IOUT < 50mA IOUT = 50mA IOUT = 100mA VIN = 7.0V IOUT = 20mA -7.0 < VIN < -10.0V Min -4.90 100 40 120 380 3.0 0.1 80 300 600 7.0 0.3 10.0 Typ -5.0 Max -5.10 Units V mA mV mV A %/V V ppm/C
Note: 1. VOUT means the output voltage when "VOUT-2.0V" is provided at teh VIN pin while maintaining a certain IOUT value. 2. Vdif is defined as " VIN - VOUT ." 3. IOUTmax = This is specified for SOT-89 package. For SOT-23, it is limited by continuous total power dissipation.
Impala Linear Corporation
ILC7362 1.1
(408) 574-3939
www.impalalinear.com
Oct 1999
2
SOT-23 CMOS Negative LDO
Electrical Characteristics ILC7362CP-30
Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Supply Current Input Stability Input Voltage Output Voltage Temperature Characteristics Symbol VOUT IOUT (MAX) VOUT Vdif ISS Conditions IOUT = 20mA, VIN = -5.0V VIN = -5.0V, VOUT > -2.7V VIN = -5.0V, 1mA < IOUT < 40mA IOUT = 40mA IOUT = 80mA VIN = -5.0V Min -2.92 100 40 120 380 2.5 0.1 80 300 600 6.0 0.3 -10.0 100 Typ -3.0 Max -3.06 Units V mA mV mV A %/V V ppm/C
IOUT = 20mA VOUT -5.0V < VIN < -10.0V VIN*VOUT VIN VOUT IOUT = 20mA Topr*VOUT -30C < Topr < 80C
Impala Linear Corporation
ILC7362 1.1
(408) 574-3939
www.impalalinear.com
Oct 1999
3
SOT-23 CMOS Negative LDO
Typical Performance Characteristics General conditions for all curves; 4.7F on output
Output Voltage vs Input Voltage
ILC7362CM-30
-3.2 -3.2
Output Voltage vs Input Voltage
ILC7362CM-30
OUTPUT VOLTAGE VOUT (V)
Topr=25C
-3.0
OUTPUT VOLTAGE VOUT (V)
Topr = 25C -3.0 IOUT-1mA
IOUT=1mA
-2.8
-2.8 40mA
-2.6 10mA
40mA
-2.6
-2.4
-2.4
10mA
-2.2 -2.5 -2.5 -3.5
-2.2 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0 -6.5 -7.0 -7.5
INPUT VOLTAGE VIN(V)
INPUT VOLTAGE VIN (V)
Output Voltage vs Output Current
ILC7362CM-30
-3.2
Output Voltage vs Temperature
ILC7362CM-30
-3.10
OUTPUT VOLTAGE VOUT (V)
OUTPUT VOLTAGE VOUT (V)
VIN = -5.0
VIN = -5.0 -3.06 IOUT = 10mA -3.02
-3.1 T = 25 -3.0 -30C -2.9 80C
-2.98
40mA
-2.8
-2.94
-2.7 0 10 20 30 40 50 60
-2.90 -30 -20 -10 0 10 20 30 40 50 60 70 80
OUTPUT CURRENT (mA)
OPERATING TEMPERATURE (C)
Supply Current vs Temperature
ILC7362CM-30
2.62 VIN = -5.0V
SUPPLY CURRENT (A0
2.60 2.58 VIN = -4.0V 2.56 2.54 2.52 2.50 2.48 2.46 2.42 2.40 -30 -20 -10 0 10 20 30 40 50 60 70 80
OPERATING TEMPERATURE (C)
Impala Linear Corporation
ILC7362 1.1
(408) 574-3939
www.impalalinear.com
Oct 1999
4
SOT-23 CMOS Negative LDO
Packaging Information
0.021 0.015
0.055 0.047
0.098 0.083
SOT-23
All dimensions in inches
0.120 0.105 0.040 0.031 0.079 0.071 0.0059 0.0035 0-8
0.004 0.001
0.010 0.005
0.181 0.173
0.063 0.055
SOT-89
All dimensions in inches
0.070 0.055
0.102 0.095
0.167 0.148
1 0.019 0.014
0.059 0.118
2
0.021 0.016
3
0.032
0.017
Devices sold by Impala Linear Corporation are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Impala Linear Corporation makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Impala Linear Corporation makes no warranty of merchantability or fitness for any purpose. Impala Linear Corporation reserves the right to discontinue production and change specifications and prices at any time and without notice. This product is intended for use in normal commercial applications. Applications requiring an extended temperature range, unusual environmental requirements, or high reliability applications, such as military and aerospace, are specifically not recommended without additional processing by Impala Linear Corporation. Impala Linear Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an Impala Linear Corporation product. No other circuits, patents, licenses are implied.
Life Support Policy Impala Linear Corporation's products are not authorized for use as critical components in life support devices or systems. 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 whose failure to perform, when properly used in accordance with instructions for use provided in the labelling, 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 reasonbly expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Impala Linear Corporation
ILC7362 1.1
(408) 574-3939
www.impalalinear.com
Oct 1999
5

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