LM334SM/NOPB National Semiconductor, LM334SM/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM334SM/NOPB
• Description: IC CURRENT SOURCE 3% 8SOIC
• Manufacturer: National Semiconductor

Specifications of LM334SM/NOPB

• Function: Current Source
• Accuracy: ±3%
• Voltage - Input: 1 ~ 40 V
• Current - Output: 10mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Forward Current If: 10mA
• Forward Voltage: 40V
• Power Dissipation Pd: 400mW
• Current Regulator Case Style: SOIC
• No. Of Pins: 8
• Msl: MSL 1 - Unlimited
• Supply Voltage Range: 1V To 40V
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensing Method: -
• Other names: *LM334SM; *LM334SM/NOPB; LM334SM

Typical Applications
*Select Q1 or Q2 to ensure at least 1V across the LM134. V
I
*Z
SET
OUT
/I
DSS
≈ −16 • R1 (R1/V
) ≥ 1.2V.
Generating Negative Output Impedance
IN
must not exceed I
FET Cascoding for Low Capacitance and/or Ultra High Output Impedance
SET
(Continued)
00569723
)
00569721
Buffer for Photoconductive Cell
p
(1 −
FIGURE 4.
11
*Use minimum value required to ensure stability of protected device. This
minimizes inrush current to a direct short.
Schematic Diagram
00569751
In-Line Current Limiter
00569722
00569709
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