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Omnipolar CMOS Hall effect sensor IC NatLinear LN4913SRB designed for consumption in portable electronics

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Omnipolar CMOS Hall effect sensor IC NatLinear LN4913SRB designed for consumption in portable electronics

BHYS : 8Gs

Operating Current : 3uA

Operation Points : 3.5mT

Release Points : 2.7mT

Voltage - Supply : 1.65V~6V

Description : TO-92S Switches (Solid State) RoHS

Mfr. Part # : LN4913SRB

Model Number : LN4913SRB

Package : TO-92S

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Product Overview

The LN4913 is a low-power, high-sensitivity CMOS Hall-effect sensor IC designed for battery-operated devices. It functions as an On/Off switch, ideal for applications like cellular flip-phones, notebook PCs, and PDAs requiring contact-less switching. The device operates with a wide battery voltage range of 1.65V to 5.5V and features an omnipolar switching behavior, responding to both North and South poles of a magnet. Its micro-power design, with an onboard clock scheme, reduces average operating current by utilizing an operate and a standby phase, with the output stage latched during standby to achieve low microampere consumption. The internal circuit design ensures precise magnetic switching points and high temperature stability.

Product Attributes

  • Brand: NatLinear
  • Product Type: CMOS Hall-Effect Sensor IC
  • Switching Behavior: Omnipolar (responds to North or South pole)
  • Not suitable for automotive applications.

Technical Specifications

Specification Details
Model Number LN4913
Revision 1.0
Publication Date June 13, 2012
Supply Voltage (VDD) 1.65 V to 5.5 V
Average Supply Current (ISAVG) 1 A (Typ: 3 A, Max: 10 A)
Average Supply Current during Operating Time (ISOPAVG) 0.5 mA (Typ: 2.0 mA, Max: 3.5 mA)
Peak Current during Operating Time (ISOPT) 4.5 mA (Max)
Supply Current during Standby Time (ISSTB) 1 A (Typ: 1.9 A, Max: 8 A)
Output Saturation Voltage (VQSAT) at IQ=1mA 0.13 V (Typ: 0.4 V)
Output on Leakage Current (IQLEAK) 0.01 A (Typ: 1 A)
Output Rise Time (tr) at RL=2.7K, CL=10pF 0.5 s (Typ: 1 s)
Output Fall Time (tf) at RL=2.7K, CL=10pF 0.1 s (Typ: 1 s)
Operating Time (top) 25 s (Typ: 100 s, Max: 160 s)
Standby Time (tstb) 60 ms (Typ: 140 ms, Max: 240 ms)
Duty Cycle (top/tstb) 0.071 %
Start-up Time of IC (tstu) 12 s (Typ: 20 s)
Magnetic Switching Point - Positive Operating Point (BOPS) 2 mT (Typ: 3.5 mT, Max: 5 mT)
Magnetic Switching Point - Negative Operating Point (BOPN) -5 mT (Typ: -3.5 mT, Max: -2 mT)
Magnetic Release Point - Positive (BRPS) 1.2 mT (Typ: 2.7 mT, Max: 4.2 mT)
Magnetic Release Point - Negative (BRPN) -4.2 mT (Typ: -2.6 mT, Max: -1.2 mT)
Hysteresis (BHYS) 0.2 mT (Typ: 0.8 mT, Max: 1.6 mT)
Absolute Maximum Supply Voltage (VDD) -0.3 to 6.0 V
Absolute Maximum Operating Current (IDD) -1 to 4.5 mA
Absolute Maximum Output Voltage (VOUT) -0.3 to 6.0 V
Absolute Maximum Output Current (IOUT) -1 to 2.0 mA
Storage Temperature Range -40 to +150 C
Maximum Junction Temperature (TJ) 150 C
ESD Protection 4000 V
Available Packages SOT-23-3, TSOT-23-3, TO-92S, DFN2015-6, DFN2*2-3
Typical Applications Cover switch in clam-shell cellular phones, Cover switch in Notebook PC/PDA, Contact-less switch in consumer products

2410121231_NATLINEAR-LN4913SRB_C236385.pdf


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