size capacitor usually has a higher ESR compared with a

bigger size capacitor of the same type. For lower ESR, use

ceramic capacitors.

TABLE 3. Low ESR Capacitor Manufacturers

Manufacturer

Phone

FAX

Capacitor Type

Nichicon Corp.

(708)-843-7500

(708)-843-2798

PL, PF series, through-hole aluminum electrolytic

AVX Corp.

(803)-448-9411

(803)-448-1943

TPS series, surface-mount tantalum

Sprague

(207)-324-4140

(207)-324-7223

593D, 594D, 595D series, surface-mount tantalum

Sanyo

(619)-661-6835

(619)-661-1055

OS-CON series, through-hole aluminum electrolytic

Other Applications

PARALLELING DEVICES

Any number of LM2660s (or LM2661s) can be paralleled to reduce the output resistance. Each device must have its own pumping

capacitor C

DS012911-32

FIGURE 3. Output Source Resistance vs Oscillator Frequency

DS012911-22

FIGURE 4. Lowering Output Resistance by Paralleling Devices

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