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LT1009
www.ti.com. SLVS013N – MAY 1987 – REVISED MAY 2009 2.5-V INTEGRATED REFERENCE CIRCUIT
FEATURES 1 Excellent Temperature Stability
Initial Tolerance: 0.2% Max
Dynamic Impedance: 0.6 Ω Max
D OR PW PACKAGE
(TOP VIEW) NC
NC
NC
ANODE 1 8 2 7 3 6 4 5 Wide Operating Current Range
Directly Interchangeable With LM136
Needs No Adjustment for Minimum
Temperature Coefficient
LP PACKAGE
(TOP VIEW) CATHODE
NC
CATHODE
ADJ ANODE
CATHODE
ADJ NC -No internal connection DESCRIPTION/ORDERING INFORMATION
The LT1009 reference circuit is a precision-trimmed 2.5-V shunt regulator featuring low dynamic impedance and
a wide operating current range. The maximum initial tolerance is В±5 mV in the LP package and В±10 mV in the D
and PW packages. The reference tolerance is achieved by on-chip trimming, which minimizes the initial voltage …
