參數(shù)資料
型號(hào)： SP6205
英文描述： Low Noise, 300mA and 500mA CMOS LDO Regulators
中文描述： 低噪音，為300mA和500mA的CMOS LDO穩(wěn)壓器
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 164K
代理商： SP6205
1
Date: 05/25/04
SP6203/6205 Low Noise, 300 and 500mA CMOS LDO Regulators
Copyright 2004 Sipex Corporation
■
Very Low Dropout Voltage: 0.6
PMOS Pass
Device
■
Accurate Output Voltage: 2% over Temperature
■
Guaranteed 500mA Output Current: SP6205
■
Ultra Low Noise Output: 12
μ
V
RMS
with 10nF
Bypass
■
Unconditionally Stable with 2.2
μ
F Ceramic
■
Low Quiescent Current: 45
μ
A
■
Very Low Ground Current: 350
μ
A at 500 mA
■
Power-Saving Shutdown Mode: < 1
μ
A
■
Fast Turn-On and Turn-Off: 60us
■
Fast Transient Response
■
Current Limit and Thermal Shutdown Protection
■
Very Good Load/Line Regulation: 0.07/0.04%
■
Excellent PSRR: 67dB<1kHz
■
Industry Standard 5 pin SOT-23 and Small 8
pin DFN Package
■
Fixed Output Voltages: 2.5V, 2.7V, 2.8V,
2.85V, 3.0V and 3.3V
■
Adjustable Output Available
Low Noise, 300mA and 500mA CMOS LDO Regulators
SP6203/6205
DESCRIPTION
■
Cellular / GSM Phones
■
Laptop / Palmtop Computers
■
Battery-Powered Systems
■
Pagers
■
Medical Devices
■
MP3/CD Players
■
Digital Still Cameras
FEATURES
APPLICATIONS
The SP6203/6205 are ultra low noise CMOS LDOs with very low dropout and ground current. The noise
performance is achieved by means of an external bypass capacitor without sacrificing turn-on and turn-off
speed critical to portable applications. Extremely stable and easy to use, these devices offer excellent PSRR
and Line/Load regulation. Target applications include battery-powered equipment such as portable and
wireless products. Regulators' ground current increases only slightly in dropout. Fast turn-on/turn-off enable
control and an internal 30
pull down on output allows quick discharge of output even under no load
conditions. Both LDOs are protected with current limit and thermal shutdown.
Both LDO's are availiable in fixed & adjustable output voltage versions and come in an industry standard
5 pin SOT-23 and small 8 pin DFN package. For SC-70 100mA CMOS LDO, SP6213 is available.
TYPICAL APPLICATION CIRCUIT
3
2
1
C
OUT
2.2
μ
F Ceramic
V
OUT
V
IN
EN
BYP
4
5
SP6203
SP6205
5-Pin
FIXED
C
IN
2.2
μ
F
3
2
1
C
OUT
2.2
μ
F Ceramic
V
OUT
V
IN
EN
ADJ
4
5
SP6203
SP6205
5-Pin
ADJUSTABLE
C
IN
2.2
μ
F
Fixed
Adjustable
Now Available in Lead Free Packaging
V
OUTSENSE
SP6203
SP6205
8 Pin DFN
V
IN
NC
V
OUT
BYP
GND
EN
NC
1
2
3
4
8
7
6
5
SP6203
SP6205
8 Pin DFN
V
IN
NC
V
OUT
ADJ
NC
GND
EN
NC
1
2
3
4
8
7
6
5
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