Datasheet

LM2597, LM2597HV
SNVS119C –MARCH 1998–REVISED APRIL 2013 www.ti.com
Figure 53. Charge Pump for Generating a
Low Current, Negative Output Voltage
C
IN
— 10 μF, 35V, Solid Tantalum, AVX, “TPS Series” (surface mount, “D” size)
C
OUT
— 100 μF, 10V Solid Tantalum, AVX, “TPS Series” (surface mount, “D” size)
D1 — 1A, 40V Surface Mount Schottky Rectifier
L1 — Surface Mount Inductor, Coilcraft DO33
C
SS
— Soft-start Capacitor (surface mount ceramic chip capacitor)
C
D
— Delay Capacitor (surface mount ceramic chip capacitor)
R3 — Error Flag Pullup Resistor (surface mount chip resistor)
Figure 54. Typical Surface Mount PC Board Layout, Fixed Output (2X size)
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