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1.
CW34063CP
DC/DC
DC/DC
CW34063CP
3.0V ~ 40V
1.5A 100kHz
2% DIP8
2.
2. 1
8
2. 2
1 2 3 4
7 6
5
CSW ESW CT GND
1
SQ R
T2 T1
Ipk
100
CT
2
3
+
1.25V
4
5
INCOM
6
VCC
7
Ipk
8
CDR
14
0510 5807123-5506
1
6
0510 5803016
3.
3. 1
Tamb= 25
C–E
[1] 3. 2
VCC
VIR(SW)
VC(SW) VE(SW) VCE(SW)
Vc
[1]
Ic
Isw
PD
Tj Tamb Tstg
Tamb= 25 VCC=5V
(Vpin1=40V)
CW34063CP
40
V
-0.3 ~ 40
mA
40
V
40
V
40
V
40
V
-55 ~ 100
mA
1.5
A
1.25
W
150
0 ~ 70
-65 ~ 150
Vcc=5.0V ~ 40V
CT=1.0nF, Pin7=Vcc
ICC
Vpin5 Vth,Pin=GND
2.5 4.0 mA
fOSC Ichg Idischg
Idischg/ Ichg
Vpin5 = 0V, CT =1.0 Vpin5 = 5.0V ~ 40V Vpin5 = 5.0V ~ 40V
Pin7 ~ VCC
24 33 42 kHz
24 35 42
A
140 200 260
A
5.2 6.2 7.5
VIPK
[1]
250 300 350 mV
VCE
ISW=1.0A Pin1 to Pin8
1.0 1.
CW34063CP Datasheet
