pq1cz38m2z Sharp Microelectronics of the Americas, pq1cz38m2z Datasheet - Page 2

• Manufacturer Part Number: pq1cz38m2z
• Description: Chopper Regulator Built-in 300khz Oscillation Circuit
• Manufacturer: Sharp Microelectronics of the Americas

I
Chopper Regulators
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
Electrical Characteristics
Fig.1 Test Circuit
Fig.2 Power Dissipation vs. Ambient
I
I
SD
QS
V
V
IN
IN
10
Note) Oblique line portion:Overheat protection may operate in this area
5
0
A
A
–20
Temperature
Parameter
0
100µF
P
C
D
IN
Ambient temperature T
20
+
P
D
: With infinite heat sink
1
40
PQ1CZ38M2Z
60
(Unless otherwise specified, condition shall be V
4
3
Symbol
V
80
|R
a
∆V
V
V
|R
V
I
V
∆f
TH(ON)
I
I
(°C)
CHG
f
I
η
THH
SAT
eg
THL
SD
QS
eg
O
L
ref
O
ref
L|
I|
100
2
5
V
Duty ratio=0%,
Duty ratio=100%, terminal=1.1V, terminal
IN
A
2
=40V,
,
4
4
V
I
CHG
terminals is open,
terminal=0V,
IN
4
=40V,
terminal=0V,
I
T
T
O
V
=0.1 to 0.5A
j
j
Conditions
=0 to 125˚C
=0 to 125˚C
IN
4
I
I
4
SW
=8 to 35V
O
Fig.3 Overcurrent Protection
terminal=0V,
=0.5A
5
=0.5A
D
−
−
−
terminal=0V
5
6
5
4
3
2
1
0
65µH
L : HK-12S120-9000 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
IN
5
terminal
L
0
=12V, I
Characteristics (Typical Value)
terminal=0.9V
5
1kΩ
terminal
R
R
5
5
1
2
O
terminal
=0.2A, V
0.5
Output current I
O
=5V, ON-OFF terminals is open,
MIN.
1.235
0.85
470µF
270
0.7
−
−
−
−
−
−
−
−
−
−
−
C
1
O
I
O
TYP.
+
1.26
±0.5
300
−10
120
0.2
1.2
1.3
2.1
0.8
O
0.9
80
±3
1
5
(A)
PQ1CZ38M2Z
1.5
T
V
V
V
MAX.
O
j
IN
O
=25˚C
1.285
330
400
=5V
1.5
2.5
0.9
1.5
1.6
10
=12V
−
−
−
−
−
−
Load
2
Ta=25˚C)
Unit
kHz
mA
µA
µA
%
%
%
%
%
V
V
A
V
V
V