ST7569 View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
'ST7569' PDF : 73 Pages View PDF
ST7565S
Reference Circuit Examples
Figure 15 shows reference circuit examples.
1. When used all of the step-up circuit, voltage regulating circuit and V/F circuit
(1) When the voltage regulator internal resistor
(2) When the voltage regulator internal resistor
is used.
is not used.
(Example where VSS2 = VSS, with 4x step-up)
(Example where VSS2 = VSS, with 4x step-up)
VDD
VDD
IRS
M/S
IRS
M/S
VSS2
VSS
C1
VOUT
VSS2
VSS
C1
VOUT
CAP3-
C1
CAP1+
C1
CAP1-
CAP4-
CAP5-
CAP3-
C1
CAP1+
C1
CAP1-
CAP4-
CAP5-
CAP2+
C1
CAP2-
V5
C1
R3
CAP2+
CAP2-
V5
VR
VDD
VDD
C2
V1
C2
V2
C2
V3
C2
V4
C2
V5
R2
VR
VDD
R1
VDD
C2
V1
C2
V2
C2
V3
C2
V4
C2
V5
2. When the voltage regulator circuit and V/F circuit alone are used
(1) When the V5 voltage regulator internal resistor (2) When the V5 voltage regulator internal resistor
is not used.
is used.
VDD
VDD
IRS
VSS
External
power
supply
VSS2
VOUT
CAP3-
CAP1+
CAP1-
CAP2+
CAP2-
R3
V5
R2
VR
VDD
R1
VDD
C2
V1
C2
V2
C2
V3
C2
V4
C2
V5
3. When the V/F circuit alone is used
Ver 0.3c
M/S
IRS
M/S
CAP4-
CAP5-
VSS
External
power
supply
VSS2
VOUT
CAP3-
CAP1+
CAP1-
CAP2+
CAP2-
V5
VR
VDD
VDD
C2
V1
C2
V2
C2
V3
C2
V4
C2
V5
4. When the built-in power is not used
CAP4-
CAP5-
39/72
2002/07/22
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