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ILC7262
Dual CMOS LDO
Features
* * * * * All-CMOS design in an 8-lead SOIC package 2% precision outputs 2.2A of Iq Short-circuit protected outputs Voltage options allow: Dual 50mA 5.0 & 3.3V Regulator Dual 50mA 5.0 & 3.0V Regulator Dual 125mA 5V to 3.0V & 3.3V Converter
Description
Dual 125mA CMOS LDO in an SO-8 package. This part offers 120mV dropout voltage on each output at 100mA typical (5V part), and nearly zero dropout below 5mA. Each output is independently short-circuit protected. Its all-CMOS design means that only 2.2A of current is required to run the part. 2% accurate outputs come in a number of configurations, to allow for flexible yet compact portable system designs.
Applications
* Battery-powered Equipment * Portable communications * PDAs and palmtops
Block Diagram
V IN
SHORT-CIRCUIT PROTECT
V OUT 1
+
REFERENCE VOLTAGE SOURCE
V SS V OUT 2 V SS 2
Rev. 1.1
(c)2001 Fairchild Semiconductor Corporation
ILC7262
Pin Assignments
V IN
1 8 7 6 5
NC V SS1 V SS2 NC
V OUT 1 2 V OUT 2 3 NC
4
SO-8
(TOP VIEW)
Absolute Maximum Ratings
Parameter Input Voltage Output Current Output Voltage Continuous Total Power Dissipation Operating Ambient Temperature Storage Temperature Min. VIN IOUT VOUT PD Topr Tstg Max. 12 500 VSS-0.3~VIN+0.3 300 -30~+80 -40~+125 Unit V mA V mW C C
Electrical Characteristics
ILC7262 COMMON CHARACTERISTICS TA = 25C Parameter Supply Voltage Input Voltage Symbol VOUT VIN Conditions VIN = 6.0V Min. 4.90 Typ. 5.0 Max. 5.10 10.0 Units V mA
Electrical Characteristics ILC7262
VOUT SECTION: VOUT(T) = 5.0V, TA = 25C Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Input Stability Output Voltage Temperature Characteristics Symbol VOUT IOUT(max) VOUT Vdif VOUT VIN*VOUT VOUT Topr*VOUT Conditions IOUT = 40mA, VIN = 6.0V VIN = 6.0V, VOUT > 4.5V VIN - 6.0V, 1mA < IOUT < 100mA IOUT = 100mA IOUT = 200mA IOUT = 40mA 6.0V < VIN < 10.0V IOUT = 40mA -30C < Topr < 80C Min. 4.90 250 40 120 380 0.2 100 80 300 600 0.3 Typ. 5.0 Max. 5.10 Units V mA mV mV %/V ppm/C
(c)2001 Fairchild Semiconductor Corporation
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ILC7262
Electrical Characteristics ILC7262
VOUT2 SECTION: VOUT(T) = 3.3V, TA = 25C Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Input Stability Output Voltage Temperature Characteristics Symbol VOUT IOUT(max) VOUT Vdif VOUT VIN*VOUT VOUT Topr*VOUT Conditions IOUT = 40mA, VIN = 6.0V VIN = 6.0V, VOUT > 2.97V VIN - 6.0V, 1mA < IOUT < 80mA IOUT = 80mA IOUT = 160mA IOUT = 40mA 6.0V < VIN < 10.0V IOUT = 40mA -30C < Topr < 80C Min. 3.234 165 45 180 400 0.2 100 90 360 700 0.3 Typ. 3.30 Max. 3.37 Units V mA mV mV %/V ppm/C
Electrical Characteristics ILC7262
VOUT2 SECTION: VOUT(T) = 3.0V, TA = 25C Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Input Stability Output Voltage Temperature Characteristics Symbol VOUT IOUT(max) VOUT Vdif VOUT VIN*VOUT VOUT Topr*VOUT Conditions IOUT = 40mA, VIN = 6.0V VIN = 6.0V, VOUT > 2.7V VIN - 6.0V, 1mA < IOUT < 80mA IOUT = 80mA IOUT = 160mA IOUT = 40mA 6.0V < VIN < 10.0V IOUT = 40mA -30C < Topr < 80C Min. 2.94 150 45 180 400 0.2 100 90 360 700 0.3 Typ. 3.0 Max. 3.06 Units V mA mV mV %/V ppm/C
(c)2001 Fairchild Semiconductor Corporation
3
ILC7262
Typical Performance Characteristics General conditions for all curves
OUTPUT VOLTAGE vs OUTPUT CURRENT
ILC7262CM 3.0V SECTION
3.1 0.6 VIN=4.0V 0.5
VDO vs OUTPUT CURRENT
ILC7262CM 3.0V SECTION
OUTPUT VOLTAGE VOUT (V)
Topr=25C 3.0 Topr=-30C 80C 2.9 25C 0.0 0.2 0.4
VDO(V)
0.3 80C -30C
2.8 0 20 40 60 80 100 120 140 160
-0.2 0 20 40 60 80 100 120 140 160
OUTPUT CURRENT IOUT (mA)
OUTPUT CURRENT IOUT (mA)
OUTPUT VOLTAGE vs INPUT VOLTAGE
ILC7262CM 3.0V SECTION
3.2 3.04
OUTPUT VOLTAGE vs INPUT VOLTAGE
ILC7262CM 3.0V SECTION
Topr=25C
Topr=25C OUTPUT VOLTAGE VOUT (V) OUTPUT VOLTAGE VOUT (V)
3.03 3.02 3.0 IOUT =1mA 2.8
IOUT=1mA 3.01 3.00 2.99 2.98 2.97
2.6
40mA
2.4
10mA
2.2 2.5 3.0 3.5
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10
INPUT VOLTAGE VIN (V)
INPUT VOLTAGE VIN (V)
OUTPUT VOLTAGE vs TEMPERATURE
ILC7262CM 3.0V SECTION
3.01 VIN=4.0V 8.0 IOUT=10mA
LINE TRANSIENT RESPONSE
ILC7262CM 5.0V SECTION
IOUT=10mA 7.5 Input Voltage 7.0
OUTPUT VOLTAGE VOUT (V)
3.00 2.99
40mA 2.98 2.97 2.96 2.95 2.94 -40 -20 0 20 40 60 80 100
6.5
(V)
6.0 5.5 Output Voltage 5.0 4.5 4.0 -1 0 1 2 3
Topr (C)
TIME (ms)
(c)2001 Fairchild Semiconductor Corporation
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ILC7262
Ordering Information
Product Number ILC7262CS-50/30 ILC7262CS-50/33 ILC7262CS-33/30 Package Dual 50mA 5V & 3.0V Regulator Dual 50mA 5V & 3.3V Regulator Dual 125mA 5V to 3.0V & 3.3V Converter
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used 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 (c) whose 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 of the user.
www.fairchildsemi.com 10/15/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation
2. A critical component in 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.

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