PQ1CG21H2FZ Sharp Microelectronics, PQ1CG21H2FZ Datasheet - Page 4

• Manufacturer Part Number: PQ1CG21H2FZ
• Description: IC REG CHOPPER ADJ 1.5A TO-220
• Manufacturer: Sharp Microelectronics
• Type: Step-Down (Buck), Invertingr

Specifications of PQ1CG21H2FZ

• 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: -20°C ~ 80°C
• Mounting Type: Through Hole
• Package / Case: TO-220
• Power - Output: 14W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 425-1761-5

Chopper Regulators
Fig.10 Oscillation Frequency Fluctuation vs.
Fig.12 Threshold Voltage vs. Junction
Fig.14 Block Diagram
1
V
2.5
1.5
0.5
10
IN
2
0
2
4
6
8
3
2
1
0
20
50
Junction Temperature
Temperature
V
V
IN
O
Overcurrent
25
detection
Overheat
detection
0
5V
12V
circuit
circuit
Junction temperature T
Junction temperature T
0
20
25
40
V
V
V
TH(H)
TH(L)
TH(ON)
50
60
regulator
75
Voltage
F/F
PWM COMP.
80
j
j
( C)
( C)
100
3
Q
S
V
100
R
COM
IN
125
12V
ON/OFF
120
circuit
150
ERROR AMP.
Fig.11 Overcurrent Detecting Level
Fig.13 Operating Dissipation Current vs.
V
ref
10
6
4
2
0
2
4
6
8
9
8
7
6
5
20
0
PQ1CG21H2FZ/PQ1CG21H2RZ
Fluctuation vs. Junction Temperature
Input Voltage
I
O
0
0.2A
Junction temperature T
10
20
2
5
4
Input voltage V
No load
V
ON/OFF
V
OUT
ADJ
I
O
40
1A
20
60
IN
(V)
80
j
( C)
30
100
T
V
j
O
25 C
5V
120
40