SG2002 SGMICRO [Shengbang Microelectronics Co, Ltd], SG2002 Datasheet

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SG2002

Manufacturer Part Number
SG2002
Description
300mA, Low Power, Low Noise Low Dropout, Linear Regulators
Manufacturer
SGMICRO [Shengbang Microelectronics Co, Ltd]
Datasheet

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GENERAL DESCRIPTION
The SG2002/A series low-power, low-noise, low-dropout,
CMOS linear voltage regulators operate from a 2.5V to 5.5V
input and deliver up to 300mA. They are the perfect choice
for low voltage, low power applications. An ultra low
ground current (110
attractive for battery operated power systems. The
SG2002/A series also offer ultra low dropout voltage
(210mV at 300mA output) to prolong battery life in
portable electronics. Systems requiring a quiet voltage
source, such as RF applications, will benefit from the
SG2002/A series’ ultra low output noise (30µVRMS). An
external noise bypass capacitor connected to the device’s
BP pin can further reduce the noise level.
The output voltage is preset to voltages in the range of 1.5V
to 5.0V. Other features include a 10nA logic-controlled
shutdown mode,
down protection.
Devices come in 5-pin SOT23 package.
APPLICATIONS
Cellular Telephones
Cordless Telephones
PHS Telephones
PCMCIA Cards
Modems
MP3 Player
Hand-Held Instruments
Palmtop Computers
Electronic Planners
Portable/Battery-Powered Equipment
SG2002/A
Shengbang Microelectronics Co, Ltd
Tel: 86/451/84348461
www.sg-micro.com
foldback current limit
µA
at 300mA output) makes this part
and thermal shut-
300mA, Low Power, Low Noise
Low Dropout, Linear Regulators
FEATURES
-
-
-
-
-
-
-
-
-
PIN CONFIGURATIONS(TOP VIEW)
Low Output Noise: 30µV
Ultra-Low Dropout Voltage:
Low 77µA No-Load Supply Current
Low 110µA Operating Supply Current
Thermal-Overload Protection
Output Current Limit
Preset Output Voltages (±1.6% Accuracy)
10nA Logic-Controlled Shutdown
Available in Multiple Output Voltage Versions
210mV at 300mA output
at 300mA Output
Fixed Outputs of 1.5V, 1.8V, 2.5V, 2.8V, 2.85V,
3.0V,3.3V, and 5.0V
Adjustable Output from 1.5V to 5.0V
GND
EN
IN
1
2
3
SG2002/A
SOT23-5
RMS
typ(10Hz to 100KHz)
4
5
OUT
BP/FB
REV. B

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SG2002 Summary of contents

Page 1

... Systems requiring a quiet voltage source, such as RF applications, will benefit from the SG2002/A series’ ultra low output noise (30µVRMS). An external noise bypass capacitor connected to the device’s BP pin can further reduce the noise level. ...

Page 2

... SG2002-1.5XN5/TR - 40°C to +125°C SG2002-1.8XN5/TR - 40°C to +125°C SG2002-2.5XN5/TR - 40°C to +125°C SG2002-2.8XN5/TR - 40°C to +125°C SG2002-2.85XN5/TR - 40°C to +125°C SG2002-3.0XN5/TR - 40°C to +125°C SG2002-3.3XN5/TR - 40°C to +125°C SG2002-5.0XN5/TR - 40°C to +125°C Operating Temperature Range...........................- 40°C to +125°C Junction Temperature...........................................................+150° ...

Page 3

... OUT 100Hz 1KHz +25°C 0. +125°C 0. +25°C 0. +125°C 0. +25° 160 15 for OUT IN OUT SG2002 MAX UNITS 5.5 V 1.6 2.3 % 2.7 2 130 µA 145 mV 340 0.15 %/V 0.002 %/mA µV RMS 0.4 1 µA 1 µA µs ℃ ...

Page 4

... Adjustable Voltage Version R (kΩ) V (V) 1 OUT 1.5 13 1.8 28 2.5 63.4 2.8 78.7 2.85 80.6 3.0 88.7 3.3 95.3 5.0 187 Note × 1.2395 OUT OUTPUT C OUT 1μ (kΩ) 2 61.9 61.9 61.9 61.9 61.9 61.9 57.6 61.9 4 INPUT 2.5V TO 5.5V OUT 1μF SG2002 EN BP OFF GND Fixed Voltage Version SG2002/A OUTPUT C OUT 1μ 0.01μF ...

Page 5

... Temperature(℃) Ground Pin Current vs.Temperature 200 180 160 OUT 140 120 100 V = 2.5V OUT -40 - Temperature(℃ OUT 150mA LOAD V = 2.5V OUT 100 120 140 I = 150mA LOAD 100 120 140 SG2002/A ...

Page 6

... Shutdown Exit Delay 0.01µ 0.1µ 100µS/div Entering Shutdown OUT 40µS/div + 0.5V OUT = 0mA to 50mA = 1μ OUT I LOAD OUT I = 50mA LOAD EN V OUT V = 2.5V OUT No Load EN V OUT SG2002/A ...

Page 7

... Time(400μs/div) Time(400μs/div) Ground Pin Current vs.Load Current 170 160 150 140 OUT 130 120 110 100 V = 2.5V 90 OUT 100 200 Load Current(mA) SG2002 10μF OUT I = 10mA LOAD 0 3.0V OUT C = 10μF OUT I = 10mA LOAD C = 0.1μF BP 300 ...

Page 8

... Load Current(mA) Region of Stable C ESR vs.Load Current OUT 100 OUT Stable Region 0.1 0.02 0. 100 150 Load Current(mA OUT 200 300 OUT = 10μF OUT = 1μF 200 250 300 SG2002/A ...

Page 9

... Application Notes When LDO is used in handheld products, Attention must be paid to voltage spike which would damage SG2002. In such applications, voltage spike will be generated at changer interface and V interface when changer adapters and USB equipments are hot-inserted. Besides this, handheld products will be tested on the production line on the condition of no battery. Test Engineer will apply power from the connector pin which connects with positive pole of the battery ...

Page 10

... Min Max 1.250 0.041 0.049 0.100 0.000 0.004 1.150 0.041 0.045 0.400 0.012 0.016 0.200 0.004 0.008 3.020 0.111 0.119 1.700 0.059 0.067 2.950 0.104 0.116 0.950TYP 0.037TYP 2.000 0.071 0.079 0.700REF 0.028REF 0.600 0.012 0.024 0° 8° 0° 8° SG2002/A ...

Page 11

... Data Sheet changed from REV REV. B Changed to ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Added Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Shengbang Microelectronics Co, Ltd Unit 3, ChuangYe Plaza No.5, TaiHu Northern Street, YingBin Road Centralized Industrial Park Harbin Development Zone Harbin, HeiLongJiang 150078 P.R. China Tel.: 86-451-84348461 Fax: 86-451-84308461 www.sg-micro.com 11 Page SG2002/A ...

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