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參數資料
| 型號： | PQ1CX12H2ZP |
| 廠商： | Sharp Corporation |
| 英文描述： | Boot Strap System Chopper Regulator |
| 中文描述： | 引導帶系統斬波調壓 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 103K |
| 代理商： | PQ1CX12H2ZP |
Boot Strap System Chopper Regulator
Under
Development
High efficiency:TYP 87 %
(Compare to conventional model:5 % up)
Low dissipation current :I
QS
=MAX 7mA
(Compare to conventional model:56% down)
Compact package:SOP8 -pin(Outline dimension:5.2
×
6.2
×
1.5 mm)
Compare to SC -63 package (Mounting area):49 % down
Compare to TO -263 package (Mounting area):77 % down
Features
Expansion of Chopper Regulator
Specifications
Outline Dimensions
Line-up of Chopper Regulator
1
2
3
4
5
6
7
8
[PQ1CX12H2ZP]
Parameter
Input voltage
Output saturation voltage
Switching current
Output OFF -state dissipation current
Stand-by current
Reference voltage
Oscillation frequency
Efficiency
Operating temperature
Symbol Characteristics
V
IN
V
SAT
I
SW
I
QS
MAX 7 mA
I
SD
MAX 400
μ
A
V
ref
TYP 1.26 V
f
OSC
TYP 150 kHz
η
-30 to +85
°
C
Conditions
MAX 20 V
TYP 0.3 V
MAX 2.5 A
I
SW
=2.0 A
TYP 87%
T
opr
V
IN
=12V,V
O
=5V,I
O
=2A
V
IN
=20 V
V
IN
=20 V
5.2
4
1
6
Unit:mm
S mark
1.25
V
IN
V
B
NC
ON/OFF
V
adj
COM
COM
V
O
Step down output
/ Reverse output
TO-220
3.5A
70kHz
PQ1CG2032FZ/RZ
TO-263
3.5A
150kHz
PQ1CY1032ZP/ZZ
SC-63
0.8A
300kHz
Package SW current
Oscillation frequency
300kHz
100kHz
PQ1CG38M2FZ/RZ
PQ1CG21H2FZ/RZ
150kHz
PQ1CG3032FZ/RZ
1.5A
0.8A
100kHz
PQ1CZ21H2ZP/ZZ
1.5A
PQ1CZ38M2ZP/ZZ
300kHz
PQ1CG41H2FZ/RZ
300kHz
PQ1CZ41H2ZP/ZZ
SOP8-pin
2.5A
150kHz
PQ1CX12H2ZP
High efficiency
Compact package
Efficiency
TYP 87% (12V
→
5V,2A)
TYP 85% (5V
→
3.3V,2A)
General purpose type
TYP 82% (12V
→
5V,2A)
TYP 75% (5V
→
3.3V,2A)
Model No.
×
1.5 mm
5.2
6.2
×
10.6
×
13.7
×
3.5 mm
Package
Outline dimension
TO-263type 5 -pin
3.5 A
SOP8-pin
Input voltage
2.5 A
SW current(MAX)
Boot strap system
PQ1CX12H2ZP
PQ1CY1032ZP/ZZ
System
4.5 to 40 V
4.5 to 20 V
1
2
3
4
5
6
7
8
■
Block Diagram
ON/OFF
circuit
Voltage
regulator
Soft
Start
-
+
Oscill
ator
fo Conversion
circuit
Q
R
S
+
-
Over
Heat
Detection
Over
detection
circuit
Drive
Circuit
F/F
Comparator
AMP
V
ref
V
IN
V
B
Vo
ON/OFF
Oadj
COM
■
Application Circuit
V
IN
GND
GND
V
OUT
C
IN
C
O
D
L
R1
R2
V
C
(ON/OFF)
Chopper
regulator
Boot strap
condenser
V
IN
=5V
Vo=3.3V
Io=2A
Vo
V
B
Oadj
COM
High Efficiency 82% against conventional model
---> The method 87%(at V
IN
=12V-
Vo=5V)
V
CE
V
BE
V
IN
V
CE
driver
V
IN
Conventional (general purpose)
Bootstrap method
Driver power supply and output transistor
current are supplied from the same power
supply.
Driver power and output transistor current is
supplied from the separate power supply
Output salutation voltage:
Large (VBE +VCE = over 1V)
Output saturation voltage small
(V
CE
=0.3)
V
O
Supply from same voltage
as input voltage
To supply from higher voltage than
input voltage Charged to bootstrap capacitor
Output salutation voltage:
Large : over 1V
Output saturation voltage Low : 0.3
Ｖ
C
driver
Bootstrap capacitor is installed to supply higher controlled vol tage than input voltage to
switching transistor inside.
The higher efficiency is obtained due to the switching transisto r’s saturated voltage become
low by higher controlled voltage than supplied input voltage
Reduction of
switching loss
High efficiency
■
Feature of Bootstrap Method Chopper Regulator
Efficiency improvement at low input
Conventional efficiency 75%
85% (V
IN
=5V
VO =3.3V)
Drastic improvement of efficiency esp in dropper application below 5V
V
O
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PQ1CX12H2ZPQ | 功能描述:開關變換器、穩壓器與控制器 2.5A 150KHz Bootstrap RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PQ1CX22H2ZPQ | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:Low Output Bootstrap system Chopper Regulator |
| PQ1CY1032Z | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:TO-263 Surface Mount Type Chopper Regulator |
| PQ1CY1032Z_1 | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:TO-263 Surface Mount Type Chopper Regulator |
| PQ1CY1032ZP | 制造商:Sharp Microelectronics Corporation 功能描述:Swithed-Mode Power Supply Controller, Voltage Mode Type, 5 Pin, Plastic, SIP |
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