LM2703MFX-ADJ/NOPB
  • Share:

Texas Instruments LM2703MFX-ADJ/NOPB

Manufacturer No:
LM2703MFX-ADJ/NOPB
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC LED DRVR RGLTR 350MA SOT23-5
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LM2703MFX-ADJ/NOPB is a micropower step-up DC/DC converter produced by Texas Instruments. This device is packaged in a small 5-lead SOT-23 package, making it ideal for space-conscious portable applications. The LM2703 features a current-limited, fixed off-time control scheme that conserves operating current, ensuring high efficiency over a wide range of load conditions. It supports an input voltage range of 2.2V to 7V and can produce output voltages up to 21V, making it versatile for various applications.

Key Specifications

Parameter Min Typ Max Units
Input Voltage Range (VIN) 2.2 7.0 V
Switch Current Limit (ICL) 275 350 400 mA
Switch RDSON 0.7 1.6
Switch Off Time (TOFF) 400 ns
Feedback Trip Point (VFB) 1.189 1.237 1.269 V
Shutdown Current (IQ) 0.01 2.5 µA
Junction Temperature (TJ) -40 125 °C
Thermal Resistance (θJA) 220 °C/W

Key Features

  • Adjustable output voltage up to 21V
  • Current-limited, fixed off-time control scheme for high efficiency
  • Low 400ns off-time allows use of tiny, low-profile inductors and capacitors
  • Input undervoltage lockout (UVP) with a threshold of 1.8V
  • Shutdown current as low as 0.01µA
  • Small 5-lead SOT-23 package for space-conscious designs
  • Supports driving up to 4 white LEDs from a single Li-Ion battery

Applications

  • LCD bias supplies
  • White LED back-lighting, especially in cellular phones
  • Handheld devices
  • Digital cameras
  • Portable applications requiring low current and high efficiency

Q & A

  1. What is the input voltage range of the LM2703?

    The input voltage range of the LM2703 is from 2.2V to 7V.

  2. What is the maximum output voltage that the LM2703 can produce?

    The LM2703 can produce output voltages up to 21V.

  3. How does the LM2703 conserve operating current?

    The LM2703 uses a current-limited, fixed off-time control scheme to conserve operating current.

  4. What is the typical shutdown current of the LM2703?

    The typical shutdown current of the LM2703 is 0.01µA.

  5. What type of package does the LM2703 come in?

    The LM2703 comes in a small 5-lead SOT-23 package.

  6. What is the maximum junction temperature for the LM2703?

    The maximum junction temperature for the LM2703 is 125°C.

  7. How is the output voltage adjusted on the LM2703?

    The output voltage is adjusted by selecting appropriate values for R1 and R2 in the feedback network.

  8. What is the purpose of the SHDN pin on the LM2703?

    The SHDN pin is used for shutdown control and is active low, meaning the device is enabled when the pin is above 1.1V and disabled when it is below 0.3V.

  9. What type of capacitors are recommended for the output of the LM2703?

    Low ESR capacitors, such as multilayer ceramic capacitors, are recommended to minimize output voltage ripple.

  10. What are some typical applications of the LM2703?

    The LM2703 is typically used in LCD bias supplies, white LED back-lighting, handheld devices, digital cameras, and other portable applications requiring low current and high efficiency.

Product Attributes

Type:DC DC Regulator
Topology:Step-Up (Boost)
Internal Switch(s):Yes
Number of Outputs:1
Voltage - Supply (Min):2.2V
Voltage - Supply (Max):7V
Voltage - Output:21V
Current - Output / Channel:350mA (Switch)
Frequency:- 
Dimming:- 
Applications:Backlight
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:SC-74A, SOT-753
Supplier Device Package:SOT-23-5
0 Remaining View Similar

In Stock

$1.85
300

Please send RFQ , we will respond immediately.

Same Series
RD15S10HE20/AA
RD15S10HE20/AA
CONN D-SUB RCPT 15POS CRIMP
DD26M2S5WT2Z
DD26M2S5WT2Z
CONN D-SUB HD PLUG 26P SLDR CUP
DD15S2S5WV5X
DD15S2S5WV5X
CONN D-SUB HD RCPT 15P SLDR CUP
DD26M20LV5Z
DD26M20LV5Z
CONN D-SUB HD PLUG 26P SLDR CUP
DD15S20LVL0/AA
DD15S20LVL0/AA
CONN D-SUB HD RCPT 15P SLDR CUP
DD26S2000X
DD26S2000X
CONN D-SUB HD RCPT 26P SLDR CUP
DD26S200T0/AA
DD26S200T0/AA
CONN D-SUB HD RCPT 26P SLDR CUP
DD26S200T0
DD26S200T0
CONN D-SUB HD RCPT 26P SLDR CUP
CBC13W3S10HE2S/AA
CBC13W3S10HE2S/AA
CONN D-SUB RCPT 13POS CRIMP
DD26S200E30/AA
DD26S200E30/AA
CONN D-SUB HD RCPT 26P SLDR CUP
DD44S32000X
DD44S32000X
CONN D-SUB HD RCPT 44P VERT SLDR
CBC13W3S10HV3S/AA
CBC13W3S10HV3S/AA
CONN D-SUB RCPT 13POS CRIMP

Similar Products

Part Number LM2703MFX-ADJ/NOPB LM2705MFX-ADJ/NOPB LM2704MFX-ADJ/NOPB LM2703MF-ADJ/NOPB
Manufacturer Texas Instruments Texas Instruments National Semiconductor Texas Instruments
Product Status Active Active Obsolete Active
Type DC DC Regulator DC DC Regulator DC DC Regulator DC DC Regulator
Topology Step-Up (Boost) Step-Up (Boost) Step-Up (Boost) Step-Up (Boost)
Internal Switch(s) Yes Yes Yes Yes
Number of Outputs 1 1 1 1
Voltage - Supply (Min) 2.2V 2.2V 2.2V 2.2V
Voltage - Supply (Max) 7V 7V 7V 7V
Voltage - Output 21V 20V 20V 21V
Current - Output / Channel 350mA (Switch) 150mA 550mA (Switch) 350mA (Switch)
Frequency - - - -
Dimming - - - -
Applications Backlight Backlight Backlight Backlight
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753
Supplier Device Package SOT-23-5 SOT-23-5 SOT-23-5 SOT-23-5

Related Product By Categories

LM3407MY/NOPB
LM3407MY/NOPB
Texas Instruments
IC LED DRVR RGLTR PWM 8HVSSOP
ADM8843ACPZ-REEL7
ADM8843ACPZ-REEL7
Analog Devices Inc.
IC LED DRV RGLTR PWM 16LFCSP
LM3414HVMRX/NOPB
LM3414HVMRX/NOPB
Texas Instruments
IC LED DRV RGLTR PWM 8SOPWRPAD
PCA9624PW,112
PCA9624PW,112
Freescale Semiconductor
IC LED DRV LIN PWM 100MA 24TSSOP
NCL30086BHDR2G
NCL30086BHDR2G
onsemi
IC LED DRIVER OFFL PWM 10SOIC
PCA9634BS,118
PCA9634BS,118
NXP USA Inc.
IC LED DRVR PS I2C 25MA 20HVQFN
TPS61165DRVTG4
TPS61165DRVTG4
Texas Instruments
IC LED DRVR RGLTR PWM 1.2A 6WSON
CAT4109V-GT2
CAT4109V-GT2
onsemi
IC LED DRVR LIN PWM 175MA 16SOIC
PCA9551BSHP
PCA9551BSHP
NXP USA Inc.
IC LED DRVR PS PWM 25MA 16HVQFN
NCV78247DQ0R2G
NCV78247DQ0R2G
onsemi
NCV78247 LED PIXEL LIGHT
PCA9553D/01,112
PCA9553D/01,112
NXP USA Inc.
IC LED DRVR LINEAR I2C 25MA 8SO
PCA9553D/01,118
PCA9553D/01,118
NXP USA Inc.
IC LED DRVR LINEAR I2C 25MA 8SO

Related Product By Brand

DP83848T-MAU-EK
DP83848T-MAU-EK
Texas Instruments
BOARD EVALUATION DP83848T
ADS1248IPWR
ADS1248IPWR
Texas Instruments
IC ADC 24BIT SIGMA-DELTA 28TSSOP
TLV5535IPWR
TLV5535IPWR
Texas Instruments
IC ADC 8BIT PIPELINED 28TSSOP
ADC12J4000NKE10
ADC12J4000NKE10
Texas Instruments
IC ADC 12BIT FOLD INTERP 68VQFN
DS90LV048ATMTCX/NOPB
DS90LV048ATMTCX/NOPB
Texas Instruments
IC RECEIVER 0/4 16TSSOP
LMH1219RTWT
LMH1219RTWT
Texas Instruments
IC INTERFACE SPECIALIZED 24WQFN
THS3001ID
THS3001ID
Texas Instruments
IC OPAMP CFA 1 CIRCUIT 8SOIC
CD4059AM
CD4059AM
Texas Instruments
IC PROG DIV-BY-N COUNTER 24SOIC
SN74LVC1G97DBVR
SN74LVC1G97DBVR
Texas Instruments
IC CONFIG MULT-FUNC GATE SOT23-6
CD74HC14M96
CD74HC14M96
Texas Instruments
IC INV SCHMITT 6CH 1-IN 14SOIC
SN74AXC1T45DBVR
SN74AXC1T45DBVR
Texas Instruments
IC TRNSLTR BIDIRECTIONAL SOT23-6
TLV73333PQDBVRQ1
TLV73333PQDBVRQ1
Texas Instruments
IC REG LINEAR 3.3V 300MA SOT23-5