参数资料
型号: PQ1CX22H2ZPQ
厂商: SHARP ELECTRONICS CORP
元件分类: 稳压器
英文描述: 2.5 A SWITCHING REGULATOR, 165 kHz SWITCHING FREQ-MAX, PDSO8
封装: ROHS COMPLIANT, SOP-8
文件页数: 5/5页
文件大小: 145K
代理商: PQ1CX22H2ZPQ
5
Sheet No.: OP06058
PQ1CX22H2ZPQ
Mounting PCB
Material :Glass-cloth epoxy resin
Size
30mm × 30mm × 1mm
GND pattern copper foil area:120mm2,35μm
GND pattern copper foil area 120mm2
Ambient temperature Ta(
C)
-30 -25
0
25
50
75 85
125
1
0.5
0
100
GND pattern
Fig.16 PD-Ta rating(Typical value)
GND pattern copper foil area 15mm2
Power
dissipation
P
D
(W)
Block Diagram
F/F
8
4
3
1
2
7
GND
6
GND
VIN
VB
VOUT
ON/OFF
VADJ
Vref
Drive Circuit
Constant Voltage
Overcurrent
Detection Circuit
Overheat
Detection Circuit
ON/OFF control
fo
Conversion Circuit
Soft
Start
Q
R
S
Oscillation
Circuit
Step-down voltage output circuit diagram
+
-
+
-
PWM COMP.
ERROR AMP.
220μF
470μF
1μF
GND GND
+
CB
DB
L
ON/OFF
1
2
8
3
4
7
6
30μH
VIN=5V
VIN
CIN
VB
VOUT
Oadj
R2=
3kΩ
R1=
1.3kΩ
V=3.3 V
CO
Load
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