LN2351 SERIES SUPER-SMALL PACKAGE VFM CONTROL STEP-UP SWITCHING REGULATOR DESCRIPTION FEATURES APPLICATIONS PACKAGE BLOCK DIAGRAM
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1 SUPER-SMALL PACKAGE VFM CONTROL STEP-UP SWITCHING REGULATOR LN5 SERIES DESCRIPTION The is a CMOS PFM-control step-up switching regulator that mainly consists of a reference voltage source, an oscillator, and a comparator. enabling products with a low ripple over a wide range, high efficiency, and high output current. Products with a fixed duty ratio of 75 % (Lower Output Voltage)or 88%(Higher Output Voltage) are also available. With the, a step-up switching regulator can be configured by using an external coil, capacitor, and diode. A protection circuit turns off the built-in MOS FET when the voltage at the CONT pin exceeds the limit to prevent it from being damaged. This feature, along with the mini package and low current consumption, makes the ideal for applications such as the power supply unit of portable equipment. FEATURES Low voltage operation: Start up at 0.9 V min(iout= ma) guaranteed Low input current: During maximum operation: 8 μa (=. V, typ.) Duty ratio: 77 % Built-in fixed-type PFM controller External parts: Coil, capacitor, and diode Output voltage: Settable to between.5v to 5.5V,accuracy of % APPLICATIONS Power supply for portable equipment such as digital cameras, electronic notebooks, and PDA Power supply for audio equipment such as portable CD/MD players Constant voltage power supply for cameras, video equipment and communications equipment Power supply for microcomputers PACKAGE SOT--5 SOT-- SOT--B SOT-89- BLOCK DIAGRAM Figure Shanghai Natlinear Electronics Co. Ltd - -
2 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL MAXIMUM RATING UNIT Input voltage VDD Vss-0.~Vss+0 Output voltage Vss-0.~Vss+0 V VCONT Vss-0.~Vss+0 Output Current I 000 ma SOT-- 50 Power dissipation PD SOT mw SOT Operating ambient temperature Topr -40~+80 Storage ambient temperature Tstg -40~+5 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. ELECTRICAL CHARACTERISTICS (Ta=5 C unless otherwise specified) Test Item Symbol Condition Min. Typ. Max. Unit circuit Output voltage - (s) 0.98 (s) (S).0 Input Voltage VIN Operation start voltage Active current Input current without load VST IOUT=mA - -. =Output Iact 8 5 voltage 0.9 =Output Iss voltage. V ua Line regulation VO UT IOUT=0mA Load regulation IOUT=0uA 00mA Output voltage temperature coefficient Maximum oscillation frequency Duty ratio Ta=-40 ~+85 - ±50 - ppm/ Ta* V O U T =Output fosc khz voltage 0.95 =Output Duty % voltage 0.95 % Efficiency EFFI % Remarks: (S) specified above is the set output voltage value, and is the typical value of the actual output voltage. fo is the working frequency. Shanghai Natlinear Electronics Co. Ltd - -
3 TEST CIRCUITS VIN L C LN5 C LN5 C K CE VSS NC CE VSS NC Test circuit Test circuit TYPICAL APPLICATION CIRCUIT Components Normal Value:C=0uF,C=47uF,L =uh,d N588 N588 VIN L C LN5 C K CE VSS NC TYPICAL PERFORMANCE CHARACTERISTICS. Input voltage vs. Power Supply.Output Voltage vs. Current Consumption Shanghai Natlinear Electronics Co. Ltd - -
4 .Temperature vs. Active Current 4.Output Voltage vs. Input Current 5.Temperature vs. Input Current 6.Output Voltage vs. Switching Current 7.Temperature vs. Switching Current 8.Temperature vs. Operation Start Voltage Shanghai Natlinear Electronics Co. Ltd
5 9.Output Current vs. Output Voltage 0.Output Current vs. Efficiency.Power On.Power Supply Voltage Fluctuation(Ta=5,RL=50Ω).Load Current Fluctuation(Ta=5 ) Shanghai Natlinear Electronics Co. Ltd
6 PIN CONFIGURATION 5 4 GND CE NC SOT--5L VSS SOT--L/SOT--B VSS SOT-89-L Remark Please contact the Natlinear marketing department for other packages. PIN ASSIGNMENT PIN MUMBER SOT-5 SOT-- SOT--B SOT89- PIN NAME FUNCTION CE CHIP ENABLE OUTPUT NC NO CONNECT 4 GND GROUND 5 EXTERNAL COIL CONNECTION ORDERING INFORMATION LN5P456 DESIGNATOR SYMBOL DESCRIPTION DESIGNATOR SYMBOL DESCRIPTION 5 : ±% Indicates the Output Voltage product number 4 Accuracy e.g.: M SOT-- N SOT--B Output Voltage 5 P SOT89- e.g.: 5~70 S SOT--5 :.V Standard Feed 6 Embossed Tape : L Reverse Feed Embossed 50: 5.0V R Tape : Shanghai Natlinear Electronics Co. Ltd
7 MARKING SOT--5,SOT--,SOT--B,SOT SOT--L/SOT--B Represents the product name SOT--5L SOT-89-L SYMBOL A PRODUCT NAME LN5P***** Represents the type of regulator Voltage(V) 0.~.0.~6.0 SYMBOL 5 6 Represents the Output Voltage SYMBOL OUTPUT VOLTAGE(V) SYMBOL OUTPUT VOLTAGE(V) F H K L M N P R S T A U B V C X D Y E Z Represents the assembly lot No. 0~9,A~Z repeated (G,I,J,O,Q,W excepted) Shanghai Natlinear Electronics Co. Ltd
8 PACKAGING INFORMATION SOT--L Shanghai Natlinear Electronics Co. Ltd
9 SOT--B Shanghai Natlinear Electronics Co. Ltd
10 SOT--5 Shanghai Natlinear Electronics Co. Ltd
11 SOT-89- Shanghai Natlinear Electronics Co. Ltd - -
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Rev.1.0_10 VOLTAGE REGULATION STEP-UP CHARGE PUMP DC-DC CONVERTER S-8821 Series The S-8821 series is a CMOS step-up charge pump DC-DC converter with a voltage regulation function. The S-8821 series consists
PWM Controlled, Step-up DC/DC Converter in Tiny Package
PWM Controlled, Step-up DC/DC Converter in Tiny Package Description The is a high efficiency PWM DC/DC step -up converter with internally compensated current mode controller. The 250kHz switching frequency
Storage Temperature C to125 C Operating Temperature C to85 C
PFM Step-up DC/DC Converter Features Low start-up voltage: 0.7V (Typ.) High efficiency: 85% (Typ.) High output voltage accuracy: 2.5% Output voltage: 2.7V, 3.0V, 3.3V, 5.0V Ultra low supply current I DD
SII Semiconductor Corporation, Rev.3.1_01
www.sii-ic.com MINI ANALOG SERIES CMOS OPERATIONAL AMPLIFIER SII Semiconductor Corporation, 2009-2015 Rev.3.1_01 The mini-analog series is a group of ICs that incorporate a general purpose analog circuit
VRR Series. AnaSem. High speed, Low dropout, ±1% High output accuracy CMOS Voltage Regulator with On/Off circuit. Analog Semiconductor IC. AnaSem Inc.
AnaSem Analog Semiconductor IC High speed, Low dropout, ±% High output accuracy CMOS Voltage Regulator with On/Off circuit Rev. E9- Rev. E9- AnaSem Products Data Sheet Analog Semiconductor IC High speed,
AP1513. PWM Control 2A Step-Down Converter. Features. General Description. Applications. Pin Descriptions. Pin Assignments
Features Input voltage: 3.6V to 18V. voltage: 0.8V to V CC. Duty ratio: 0% to 100% PWM control Oscillation frequency: 300KHz typ. Softstart, Current limit, Enable function Thermal Shutdown function Builtin
Low-Saturation voltage 300mA LDO Monolithic IC MM334x Series
Low-Saturation voltage 3mA LDO Monolithic IC MM334x Series Low-Saturation voltage 3mA LDO MM334x Series Outline This IC is a 3mA LDO with an ultra-low saturation voltage. This device features a 3 ma current
load of 1µA ! Applications
The S-817 is an ultra compact 3-pin positive voltage regulator developed using CMOS technology. Due to housing into an even more miniaturized SC-82AB package of 2. x 2.1 mm, the S-817 offers key advantages
28 V Input High Speed Voltage Regulator
28 V Input High Speed Voltage Regulator FEATURES Operating Voltage Range 2.0 V 28.0 V Output Voltage Range from 1.8 V to 18.0 V with 0.1 V increments Output Voltage Accuracy ± 2% Temperature Stability
PT7M8205 LDO Regulator
Features Output Current: 300mA or more Dropout Voltage: 270mV @ 300mA for 3.3V Operating Voltage Range: 1.8 to 5.5V Output Voltage Range: 1.2 to 3.3V (100mV Step) Low Power Consumption: 65µA High Ripple
SUPER-SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
SUPER-SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR Product Description The is a compact, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Current Mode PWM control loop,
1.5 V to 5.5 V, selectable in 0.1 V step Output voltage accuracy: 140 mv typ. (3.0 V output product, I OUT = 200 ma)
S-1165 Series www.ablicinc.com HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR ABLIC Inc., -15 Rev.4.1_ The S-1165 Series is a positive voltage regulator with a low dropout voltage, high-accuracy
XC62K Series GENERAL DESCRIPTION APPLICATIONS FEATURES TYPICAL PERFORMANCE CHARACTERISTICS TYPICAL APPLICATION CIRCUIT. Negative Voltage Regulators
ETR0313_006 Negative Voltage Regulators GENERAL DESCRIPTION The XC62K series are highly precise, low power consumption, negative voltage regulators, manufactured using CMOS and laser trimming technologies.
CYStech Electronics Corp.
Page No. : 1/10 Low Dropout CMOS Voltage Regulators SOT-23 Product Description The series is a set of three-terminal high current low voltage regulator implemented in CMOS technology. They can deliver
300mA LDO Monolithic IC MM3571 Series
3mA LDO Monolithic IC MM3571 Series Outline This IC is a 3mA Low dropout regulator IC with a prevention circuit of rush current. No load input current is 25µA typ, and it reduce transient drop in voltage
XC6210 Series APPLICATIONS. TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage vs. Output Current TYPICAL APPLICATION CIRCUIT
ETR0317_004 High Current, High Speed LDO Regulators GENERAL DESCRIPTION The XC6210 series are precise, low noise, high current, positive voltage low dropout regulators. They are fabricated using Torex
60 db typ. (1.25 V output product, f = 1.0 khz) Built-in overcurrent protection circuit: Limits overcurrent of output transistor.
www.ablicinc.com S-11L1 Series 3.65 V INPUT, 15 ma, LOW OUTPUT VOLTAGE (.8 V) VOLTAGE REGULATOR ABLIC Inc., 29-217 Rev.2.3_1 The S-11L1 Series, developed by using the CMOS technology, is a positive voltage
1.5 V to 5.5 V, selectable in 0.1 V step Output voltage accuracy:
S-117 Series www.ablicinc.com HIGH RIPPLE-REJECTION AND LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR ABLIC Inc., 23-215 Rev.4.1_2 The S-117 Series is a positive voltage regulator with a low dropout
NJM2871/A, NJM2872/A LOW DROPOUT VOLTAGE REGULATOR
LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2871/A, NJM2872/A are low dropout voltage regulators designed for cellular phone application. Advanced Bipolar technology achieves low noise, high
High Speed LDO Regulators Low ESR Cap.Compatible,Output ON/OFFControl
ETR0306_005 High Speed LDO Regulators Low ESR Cap.Compatible,Output ON/OFFControl GENERAL DESCRIPTION The XC6209/XC6212 series are highly precise, low noise, positive voltage LDO regulators manufactured
VRH Series. AnaSem. High speed, Low dropout, ±1% High output accuracy CMOS Voltage Regulator with On/Off circuit. Analog Semiconductor IC.
安纳森 Analog Semiconductor IC High speed, Low dropout, ±% High output accuracy CMOS Voltage Regulator with On/Off circuit (IMPORTANT: Please check the last page for Genuine Product Labeling) Rev. E- Website:
XC6401 Series FEATURES
XC1 Series ETR9_7 Dual LDO Regulators, Low ESR Cap. Compatible GENERAL DESCRIPTION The XC1 series are highly accurate, Dual, low noise, CMOS LDO voltage regulators. Performance features of the series includes
150 ma output is possible (at V IN V OUT(S) V) *1 (Per circuit)
S-1711 Series www.sii-ic.com SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Seiko Instruments Inc., 24-21 Rev.3._ The S-1711 Series is a 2-channel positive voltage
UNISONIC TECHNOLOGIES CO., LTD LR1106
UNISONIC TECHNOLOGIES CO., LTD LR116 LARGE CURRENT POSITIVE VOLTAGE REGULATORS DESCRIPTION The UTC LR116 series are positive voltage regulators that developed in CMOS technology with highly precise, low