PQ1CZ21H2ZZH Sharp Microelectronics, PQ1CZ21H2ZZH Datasheet - Page 5

• Manufacturer Part Number: PQ1CZ21H2ZZH
• Description: IC REG CHOPPER ADJ 1.5A SC-63
• Manufacturer: Sharp Microelectronics
• Type: Step-Down (Buck), Invertingr

Specifications of PQ1CZ21H2ZZH

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.26 ~ 35 V, -1.26 ~ -30 V
• Current - Output: 1.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 8 ~ 35 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-63
• Power - Output: 8W
• Output Current: 1.5 A
• Input Voltage: 40 V
• Switching Frequency: 100 KHz
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 425-2302-5

Fig.14 Block Diagram
Fig.15 Step Down Type Circuit Diagram
Fig.16 Polarity Inversion Type Circuit Diagram
① V
② V
③ COM (Common to heat sink)
④ O
⑤ ON/OFF control
IN
OUT
adj
5～30V
In case that polarity is reverse, depending on the conditions,there is cases that output voltage can not gain,
please use this device after confirming the output voltage at the actual conditions.
8～35V
V
V
IN
IN
100μF
C
IN
+
0.47～1μF
C
100μF
+
①
①
IN
1
5
detection circuit
detection circuit
PQ1CZ21H2ZxH
PQ1CZ21H2ZxH
Overcurrent
Overheat
ON/
OFF
④
③
④
③
Voltage regulator
②
⑤
②
⑤
F/F
ON/OFF control signal
ON/OFF control signal
5
Q
S
3
R
+
_
OSC.
PWM COMP.
D
D
210μH
130μH
L
L
ERROR AMP.
R
3kΩ
R
1kΩ
R
3kΩ
R
1kΩ
2
1
2
1
+
_
V
ref
2200μF
470μF
C
C
O
O
+
+
V
2
4
O
V
PQ1CZ21H2ZxH
O
-5V
Sheet No.: OP06040A
5V
Load
Load