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RT9223CS 数据表(PDF) 2 Page - List of Unclassifed Manufacturers

部件名 RT9223CS
功能描述  5 BIT PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER CONTROLLER
PDF  8 Pages
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制造商  ETC [List of Unclassifed Manufacturers]
网页  
标志 ETC - List of Unclassifed Manufacturers

RT9223CS 数据表(HTML) 2 Page - List of Unclassifed Manufacturers

  RT9223CS Datasheet HTML 1Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 2Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 3Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 4Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 5Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 6Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 7Page - List of Unclassifed Manufacturers RT9223CS Datasheet HTML 8Page - List of Unclassifed Manufacturers  
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RT9223
www.richtek-ic.com.tw
DS9223-07 May 2001
2
Absolute Maximum Ratings
VCC to GND
-0.3 to +5.5V
PGND to GND
± 0.3V
BST to GND
-0.3 to +14V
Ambient Temperature Range
0 to +70
°C
Junction Temperature Range
0 to +125
°C
Storage Temperature Range
-65 to +150
°C
Lead Temperature (Soldering, 10 sec.)
300
°C
Package Thermal Resistance
SOP-20,
θJA
87
°C/W
Electrical Characteristics
(VCC = 5V; GND = 0V; PGNDH = PGNDL = 0V; VSEN = VOUT; 0mV < (VCSP-VCSN) < 60mV; TA = 25
°C)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Switching Section
Output Voltage
VOUT
IO = 2A
--
(1)
--
--
Supply Voltage
VCC
VCC
4.3
--
5.5
V
Supply Current
ICC
--
2
5
mA
Load Regulation
∆VLOAD IO = 0.8A to 15A
--
1
--
%
Line Regulation
∆VLINE VCC = 4.75V to 5.25V
--
0.5
--
%
Power On Reset Trip Point
VCC Rising
--
4.2
--
V
Current Limit Voltage
VLIMIT
VCSP - VCSN
65
75
85
mV
Oscillator Frequency
170
200
230
KHz
Oscillator Max Duty Cycle
DMAX
90
95
--
%
DH Source
VBSTH - VDH = 1V
--
4.5
--
Ω
DH Sink
VDH - VPGNDH = 1V
--
3.5
--
Ω
DL Source
VBL - VDL = 5V
--
1
--
A
DL Sink
VDL – VPGNDL = 1V
--
2
--
Ω
OVP Threshold Voltage
114
120
122
%
OVP Source Current
IOVP
VOVP = 3.0V
10
--
--
mA
Power Good Threshold Voltage
VSEN Rising
87
--
115
%
Note: (1) See output voltage table.



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