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參數資料
| 型號： | MC34025DW |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | High Speed Double-Ended PWM Controller |
| 中文描述： | 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數： | 2/20頁 |
| 文件大?。?/td> | 516K |
| 代理商： | MC34025DW |
MC34025 MC33025
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
VC
IO
30
V
Output Driver Supply Voltage
20
V
Output Current, Source or Sink (Note 1)
DC
Pulsed (0.5
μ
s)
0.5
2.0
A
Current Sense, Soft–Start, Ramp, and Error Amp Inputs
Vin
IO
ICO
–0.3 to +7.0
V
Error Amp Output and Soft–Start Sink Current
10
mA
Clock and RT Output Current
Power Dissipation and Thermal Characteristics
SO–16 Package (Case 751G)
Maximum Power Dissipation @ TA = +25
°
C
Thermal Resistance, Junction–to–Air
DIP Package (Case 648)
Maximum Power Dissipation @ TA = +25
°
C
Thermal Resistance, Junction–to–Air
5.0
mA
PD
R
θ
JA
PD
R
θ
JA
TJ
862
145
1.25
100
mW
°
C/W
W
°
C/W
Operating Junction Temperature
+150
°
C
Operating Ambient Temperature (Note 2)
MC34025
MC33025
TA
0 to +70
–40 to +105
°
C
Storage Temperature Range
Tstg
–55 to +150
°
C
ELECTRICAL CHARACTERISTICS
(VCC = 15 V, RT = 3.65 k
, CT = 1.0 nF, for typical values TA = +25
°
C, for min/max values TA is
the operating ambient temperature range that applies [Note 2], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage (IO = 1.0 mA, TJ = +25
°
C)
Line Regulation (VCC = 10 V to 30 V)
Load Regulation (IO = 1.0 mA to 10 mA)
Temperature Stability
Vref
Regline
Regload
TS
Vref
Vn
S
5.05
5.1
5.15
V
–
2.0
15
mV
–
2.0
15
mV
–
0.2
–
mV/
°
C
Total Output Variation over Line, Load, and Temperature
4.95
–
5.25
V
Output Noise Voltage (f = 10 Hz to 10 kHz, TJ = +25
°
C)
Long Term Stability (TA = +125
°
C for 1000 Hours)
Output Short Circuit Current
–
50
–
μ
V
–
5.0
–
mV
ISC
–30
–65
–100
mA
OSCILLATOR SECTION
Frequency
TJ = +25
°
C
Line (VCC = 10 V to 30 V) and Temperature (TA = Tlow to Thigh)
fosc
380
370
400
400
420
430
kHz
Frequency Change with Voltage (VCC = 10 V to 30 V)
Frequency Change with Temperature (TA = Tlow to Thigh)
Sawtooth Peak Voltage
fosc/
V
fosc/
T
VP
VV
–
0.2
1.0
%
–
2.0
–
%
2.6
2.8
3.0
V
Sawtooth Valley Voltage
0.7
1.0
1.25
V
Clock Output Voltage
High State
Low State
VOH
VOL
3.9
–
4.5
2.3
–
2.9
V
NOTES:
1.Maximum package power dissipation limits must be observed.
2.Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
T
low
= 0
°
C for MC34025
T
high
= +70
°
C for MC34025
T
low
= – 40
°
C for MC33025
T
high
= +105
°
C for MC33025
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC34025DWG | 功能描述:電流型 PWM 控制器 Dual Output Voltage or Current Mode PWM 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 |
| MC34025DWR2 | 功能描述:電流型 PWM 控制器 Dual Output Voltage 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 |
| MC34025DWR2G | 功能描述:電流型 PWM 控制器 Dual Output Voltage or Current Mode PWM 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 |
| MC34025P | 功能描述:電流型 PWM 控制器 Dual Output Voltage 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 |
| MC34025PG | 功能描述:電流型 PWM 控制器 Dual Output Voltage or Current Mode PWM 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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