SP310AET-L/TR Ver la hoja de datos (PDF) - Exar Corporation
Número de pieza
componentes Descripción
Fabricante
SP310AET-L/TR Datasheet PDF : 13 Pages
| |||
+
V
CC
Phases 1 and 3: Store/Double.
- Double charge from C1 onto C2.
C2 is now charged to -2xVcc
C+
1
+
C
2
e-
e-
+
V+
C
3
V- +
C
4
+
V
CC
- Phase 2 – Vss transfer from C2 to C4.
Meanwhile C1 is charged to Vcc
C+
1
e-
+
C+
2
V+
C
3
e-
e-
+
C
4
Vss
Patented 5,306,954
C+
1
e-
+
V
CC
-
Phase 4 VDD transfer from C2 to C3.
Meanwhile C1 is charged to Vcc
V
DD
e+
e+
+
C+
2
V+
C
3
V- +
C
4
Figure 1. Charge pump phases
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)668-7000 • Fax (510)668-7017 • www.exar.com SP233A,310A,312A_100_051308
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