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參數資料
| 型號： | MC44604P |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 3.3V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance |
| 中文描述： | 0.75 A SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PDIP-16 |
| 文件頁數： | 3/24頁 |
| 文件大小： | 341K |
| 代理商： | MC44604P |
MC44604
http://onsemi.com
3
MAXIMUM RATINGS
Rating
Pin #
Symbol
Value
Unit
Total Power Supply and Zener Current
(ICC + IZ)
VC
VCC
30
mA
Output Supply Voltage with Respect to Ground
2
1
18
V
Output Current*
Source
Sink
3
mA
IO(Source)
IO(Sink)
W
–750
750
Output Energy (Capacitive Load per Cycle)
5.0
μ
J
Soft–Start
11
VSS
VCLEA
–0.3 to 2.2
V
Clamp Error Amp Input
12
–0.3 to 4.5
V
Foldback Input, Stand–by Management
–0.3 to VCC + 0.3
–0.3 to 5.5
V
Overvoltage Protection, Current Sense Input, Rref, Error Amp Input,
Error Amp Output, CT, Stand–by Current Set
Vin
V
Demagnetization Detection Input Current
Source
Sink
8
mA
Idemag–ib (Source)
Idemag–ib (Sink)
IE/A (Sink)
–4.0
10
Error Amplifier Output Sink Current
13
20
mA
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation at TA = 85
°
C
Thermal Resistance, Junction–to–Air
PD
R
θ
JA
TJ
TA
0.6
100
W
°
C/W
°
C
Operating Junction Temperature
150
Operating Ambient Temperature
–25 to +85
°
C
*Maximum package power dissipation must be observed.
ELECTRICAL CHARACTERISTICS
(VCC and VC = 12 V [Note 1.], Rref = 10 k
, CT = 820 pF, for typical values TA = 25
°
C,
for min/max values TA = –25
°
to +85
°
C [Note 2.], unless otherwise noted.)
Characteristic
Pin #
Symbol
Min
Typ
Max
Unit
OUTPUT SECTION (Note 3.)
Output Voltage*
Low Level Drop Voltage (ISink = 100 mA)
3
V
(ISink = 500 mA)
VOL
–
–
–
–
1.0
1.4
1.5
2.0
1.2
2.0
2.0
2.7
High Level Drop Voltage (ISource = 200 mA)
(ISource = 500 mA)
VOH
Output Voltage During Initialization Phase
VCC = 0 to 1.0 V, ISink = 10
μ
A
1 0 t 5 0 V I
VCC = 1.0 to 5.0 V, ISink = 100 A
μ
A
VCC= 5 0 to 13 V ISink= 1 0 mA
VCC = 5.0 to 13 V, ISink = 1.0 mA
3
VOL
V
–
–
–
–
0 1
0.1
0 1
0.1
1.0
1 0
1.0
1 0
1.0
Output Voltage Rising Edge Slew–Rate (CL = 1.0 nF, TJ = 25
°
C)
Output Voltage Falling Edge Slew–Rate (CL = 1.0 nF, TJ = 25
°
C)
ERROR AMPLIFIER SECTION
3
dVo/dT
–
300
–
V/
μ
s
3
dVo/dT
–
–300
–
V/
μ
s
Voltage Feedback Input (VE/A out = 2.5 V)
Input Bias Current (VFB = 2.5 V)
Open Loop Voltage Gain (VE/A out = 2.0 V to 4.0 V)
Unity Gain Bandwidth
TJ = 25
°
C
TA = –25
°
to +85
°
C
Voltage Feedback Input Line Regulation (VCC = 10 V to 15 V)
*VC must be greater than 5.0 V.
1. Adjust VCC above the start–up threshold before setting to 12 V.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
3. No output signal when the Error Amplifier is in Low State, i.e., VFB = 2.7 V.
14
VFB
IFB–ib
AVOL
BW
2.4
2.5
2.6
V
14
–2.0
–0.6
–
μ
A
65
70
–
dB
MHz
–
–
–
–
–
5.5
14
VFBline–reg
–10
–
10
mV
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| MC44604PG | 功能描述:電流型 PWM 控制器 Voltage Mode PWM w/Bust Mode Standby RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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