TC1142 查看數據表（PDF） - Microchip Technology

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TC1142

Inductorless -2x Boost/Buck Regulator

Microchip Technology 

FIGURE 3-2:

TC1142 PHASE 1

(a)

C1+

TC1142

VIN

C1–

C2+

VIN

C2–

VOUT

+ COUT

(b)

VIN

C2+

C1–

C2–

C1+

(a) Switch positions during phase 1.

(b) The equivalent circuit of the charging phase of operation.

C1+

+ COUT

VOUT

FIGURE 3-3:

TC1142 PHASE 2

(a)

C1+

VIN

C1–

C2+

VIN

C2–

(b)

VIN

C1+

C2–

C2+

C1–

VOUT

+ COUT

(a) Switch positions during phase 2.

(b) The equivalent circuit of the discharging phase of operation.

VOUT

+ COUT

 2002 Microchip Technology Inc.

DS21360B-page 5

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