pq1cx22h2zpq Sharp Microelectronics of the Americas, pq1cx22h2zpq Datasheet - Page 5

• Manufacturer Part Number: pq1cx22h2zpq
• Description: Output Bootstrap System Chopper Regulator
• Manufacturer: Sharp Microelectronics of the Americas

Fig.16 P
0.5
-30 -25
1
0
Block Diagram
GND pattern copper foil area 120mm
GND pattern copper foil area 15mm
Step-down voltage output circuit diagram
D
-Ta rating(Typical value)
0
Ambient temperature Ta( ˚C)
V
V
V
IN
B
IN
=5V
25
1
2
Overcurrent
Detection Circuit
Overheat
Detection Circuit
50
2
2
V
Drive Circuit
75 85
IN
220μF
+
C
IN
1
100
6
GND GND
125
PWM COMP.
F/F
Constant Voltage
7
2
V
B
GND
Q
S
R
6
8
3
4
+
fo Conversion Circuit
ON/OFF
V
O
GND
ON/OFF control
OUT
adj
7
CB
1μF
5
Soft
Start
+
ERROR AMP.
DB
30μH
R
3kΩ
R
1.3kΩ
L
V
2
1
ref
Mounting PCB
Material ：Glass-cloth epoxy resin
Size
GND pattern copper foil area：120mm
=
=
：30mm × 30mm × 1mm
470μF
C
GND pattern
+
V
O
4
8
3
０
ON/OFF
V
V
=3.3 V
OUT
ADJ
Load
Sheet No.: OP06058
2
,35μm
PQ1CX22H2ZPQ