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PQ1CX22H2ZPQ
PQ1CX22H2ZPQ
Low Output Bootstrap system Chopper Regulator
Features
1.Low output voltage :MIN.1.2V 2.Maximum switching current: 2.5A 3.High efficiency(efficiency:88%[VIN=5V,VOUT=3.3V] ) 4.Built-in oscillation circuit 5.Built-in overheat, overcurrent protection functions 6.RoHS directive compliant (Oscillation frequency:TYP.150kHz)
■ Outline Dimensions
5±0.3
(Unit:mm)
0.15+0.1 -0.05
8
7
6
5
Model No.
1CX22H S Q
1 2 3 4
Lot.No.
(OLD DIN standard)
1.27±0.03 1.5±0.1 0.995MAX
Lead finish identification mark
(
) : Typical dimensions
Applications
1.AV equipment 2.Digital OA equipment
Product mass:(0.08g)
0.05±0.05 1.55±0.15
0.4±0.1
Terminal
①VIN ②VB ③OADJ ④ON/OFF Control ⑤NC ⑥GND ⑦GND ⑧VOUT
Absolute Maximum Ratings
Parameter *1 Input voltage *2 Boost terminal voltage *3 Voltage between VB and VIN Malfunction input voltage Input-output voltage *4 Output-GND voltage *5 ON/OFF control voltage Switching current *6 Power dissipation *7 Junction temperature Operating temperature Storage temperature Soldering temperature Symbol
VIN VB VB-I VADJ VI-O VOUT VC ISW Pd Tj Topr Tstg
(Ta =25°C)
Rating
33 33
Unit
V V V V V V V A W °C °C °C °C
15 7 34 -1 -0.3 to 20 2.5 0.9 150 -40 to +85 -40 to +150 260(for 10s)
Lead finish:Lead-free solder plating (Composition: Sn2Bi)
Tsol
*1 Voltage between VIN and GND *2 Voltage between VB and GND *3 Voltage between VB and VIN *4 Voltage between VOUT and GND *5 Voltage between ON/OFF and GND *6 At the time of the PCB mounting *7 There is case that over heat protection function operates at the temperature Tj=125°C to 150°C, so this item cannot be used in this temperature range.
Notice The content of data sheet is subject to change without prior notice. In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
1
Sheet No.: OP06058
0.5±0.1 6.2±0.2
4.4±0.2
PQ1CX22H2ZPQ
Electrical Characteristics
Parameter Input-output voltage ratio Output saturation voltage Reference voltage Load regulation Line regulation Efficiency Oscillation frequency Overcurrent detection level Maximum duty Charge current Input threshold voltage ON threshold voltage Standby-current Output OFF-state consumption current Minimum Input Voltage Minimum Boost Voltage
(Unless otherwise specified,condition shall be VIN=5V,IO=0.5A,VO=3.3V,ON/OFF terminal :Open,Ta=25°C)
Symbol DI-O1 DI-O2 VSAT VREF |RegL| |RegI| η fo IL DMAX ICHG VTHL VTHH VTHON ISD IQS VIN(MIN)
Conditions VIN>14V VIN≦14V ISW=2.0A
MIN. 15 8.5
TYP.
-
MAX.
-
Unit % % V V % % % kHz A % μA V V V μA mA V V
Io=0.5 to 2.0A VIN=5 to 20V Io=2.0 A
0.975
0.25 1.0 0.2 1 88 150 3.2 90 -10 1.3 2.3 0.8 120 6
0.4 1.025 1.5 2.5
Switching current peak 3pin = 0.9V 3,8 pin :Open, 4 pin Duty=0 %,3pin=0V,4pin Duty=DMAX, 3pin :Open, 4pin 3pin=0V,4pin VIN=33V, 4pin=0V VIN=33V,4pin=0.9V
135 2.55 83
-
165 4.2
0.7
0.9 400 10 4.5 3
-
VBOOST(MIN) Voltage between VB terminal and VOUT terminal
-
-
Fig.1 Test Circuit
VB VIN ISD
A
DB CB 8 3 VOUT O adj ON/OFF 4 CIN 6 GND 7 GND
A
1
2
L
IO
V0
Iqs VIN
+
R2
+
CO
Load
D ICHG
R1
ON/OFF control logic 4 pin LOW HIG H OPEN Output OF F ON ON
L:HK-08S080-3000(made by Toho Co.) D,DB:ERC80-004(made by Fuji electronics Co.)
Fig.2 Power Dissipation vs.Ambient Temperature
1
Fig.3 Overcurrent Protection Characteristics (Typical Value)
5
Ta=25˚C VIN=5V VO=3.3V
PD : At the time of PCB mounting
Power dissipation PD (W)
Output voltage VO (V)
4
3
0.5
2
1
0 -30 -25
0
25
50
75 85
125
150
0
0
1
2
3
4
5
Ambient temperature Ta (°C)
Note)Oblique line portion:Overheat protection may operate in this area
Output current IO (A)
Sheet No.: OP06058
2
PQ1CX22H2ZPQ
Fig.4 Efficiency vs. Input Voltage
100
VO=5V,IO=0.5A
Fig.5 Output Saturation Voltage vs. Switching Current
Output saturation voltage VSAT (V)
0.5
Tj=25˚C
Tj=25˚C
VO=5V,IO=2A
Efficiency η (%)
90
0.4
VO=3.3V,IO=0.5A
0.3
80
VO=3.3V,IO=2A
0.2
70
0.1
60
0
10
20
30
0 0
1
2
3
Input voltage VIN (V)
Switching current ISW (A)
Fig.6 Reference Voltage Fluctuation vs. Junction Temperature
Reference voltage fluctuation ΔVREF (%)
2
VIN=5V VO=3.3V IO=0.5A
Fig.7 Oscillation Frequency Fluctuation vs. Junction Temperature
Oscillation frequency fluctuation ΔfO (%)
10
VIN=5V VO=3.3V IO=0.5A
1
5
0
0
-1
-5
-2 -50 -25
0
25
50
75
100
125
-10 -50 -25
0
25
50
75
100
125
Junction temperature Tj (°C)
Junction temperature Tj (°C)
Fig.8 Overcurrent Detecting Level Fluctuation vs. Junction Temperature
Overcurrent detecting level fluctuation ΔIL(%) 10
VIN=5V
Fig.9 Output Saturation Voltage vs. Voltage between VB and VOUT
Output saturation voltage VSAT (V)
1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 1 2 3 4 5 6
Tj=90˚C Tj=25˚C Tj=-30˚C
VIN=5V VO=.