參數(shù)資料
型號(hào): MC44603ADW
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER
中文描述: 0.75 A SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO16
封裝: SOIC-16
文件頁(yè)數(shù): 5/24頁(yè)
文件大?。?/td> 405K
代理商: MC44603ADW
MC44603A
5
MOTOROLA ANALOG IC DEVICE DATA
Representative Block Diagram
This device contains 243 active transistors.
S
RF Stby
Rref
RF Stby
Vref
15 16
Reference
Block
Vref
Iref
+
VCC
VCC
1
14.5 V/7.5 V
Vaux
18.0 V
To Power
Transformer
VC
2
Output
3
Gnd
4
OVP
6
ROVP
Current
Sense Input
7
VCC
Vref
VOVP
Out
2.0
μ
s
Delay
Vref
5.0
μ
s
Delay
+
2.5 V
11.6 k
2.0 k
VCC
+9.0 V
SS/Dmax/VM
2.4 V
RSS
CSS
11
1.0 V
Demag
Detect
8
Sync
Input
9
Vref
+
+
+
65 mV
3.7 V
1.0 V
0.4 Iref
CT
10
RPwr Stby
12
Feed–
back
14
Compen–
sation
13
Foldback
Input
5
1.6 V
3.6 V
+
CT
0.7 V
VDemag Out
Synchro
VOSC prot
0.4 Iref
VrefVref
Vref
Vref
Vref
0.4 Iref
0.6 Iref
0.8 Iref
0.25
IF Stby
0.2 Iref
IDischarge
IDischarge/2
Current Mirror X2
0.4 Iref
Vref
2R
VCC
1.0 mA
Error Amplifier
R
Q
S
R
Q
S
R
Q
S
R
Q
= Sink only
=
Positive True Logic
+
2.5 V
Thermal
Shutdown
IF Stby
UVLO2
VOSC
+
1.6 V
UVLO1
5.0 mA
Negative
Active
Clamp
R
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MC44603ADWG 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC44603ADWR2 功能描述:電流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC44603ADWR2G 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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MC44603APG 功能描述:電流型 PWM 控制器 Voltage/Current PWM w/Bust Mode Standby RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14