pq1cz21h2z Sharp Microelectronics of the Americas, pq1cz21h2z Datasheet - Page 2

• Manufacturer Part Number: pq1cz21h2z
• Description: Dissipation Current Off-state Chopper Regulator
• Manufacturer: Sharp Microelectronics of the Americas

Fig.1 Standard Test Circuit
Fig.2 Power Dissipation vs. Ambient
I
I
SD
qs
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
ON threshold voltage
Output ON control current
Output OFF control current
Stand-by current
Output OFF-state consumption current
V
V
Electrical Characteristics
IN
IN
ON/OFF control logic
Note) Oblique line prtion:Overheat protection may operate in this area
OPEN
HIGH
LOW
5 pin
A
A
Temperature
10
8
5
0
40
Output
100 F
OFF
OFF
ON
C
Parameter
P
IN
D
: With infinite heat sink
20
Ambient temperature T
0
20
A
40
I
I
C (ON)
C (OFF)
a
( C)
5
1
60
(Unless otherwise specified, condition shall be V
PQ1CZ21H2Z
Symbol
V
I
|R
I
|R
V
C (OFF)
C (ON)
80 85
V
TH(ON)
I
I
V
f
I
eg
SAT
SD
QS
eg
f
O
L
ref
O
ref
L|
I|
4
3
V
V
4
2
IN
IN
terminal 0V,
5
5
40V,
40V,
Fig.3 Overcurrent Protection Characteristics
T
T
I
V
terminal 2.7V
terminal 0.4V
O
No L, C, D
j
j
Conditions
IN
I
0 to 125˚C
0 to 125˚C
0.2 to 1A
I
SW
O
5
4
8 to 35V
terminal 0V
terminal 3V
1A
(Typical value)
1A
7
6
5
4
3
2
1
0
5
0
terminal
IN
D
12V, I
0.5
210 H
L : HK-14D100-2110 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
L
O
1
0.2A, V
Output current I
1k
R
R
1.5
2
1
MIN.
1.235
O
1.55
0.8
80
5V, ON-OFF terminal 2.7V,
2
2.5
O
TYP.
1.26
(A)
100
470 F
0.1
0.5
1.5
0.9
82
0.5
2
8
3
C
O
3
PQ1CZ21H2Z
I
O
T
V
V
a
IN
O
MAX.
1.285
3.5
200
120
25 C
1.5
2.5
1.5
2.6
12
5V
2
2
1
12V
4
V
O
Ta=25˚C)
Unit
kHz
mA
%
%
%
%
%
Load
V
V
A
V
A
A
A