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參數(shù)資料
| 型號： | MC34166T |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 6 A SWITCHING REGULATOR, 81 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 239K |
| 代理商： | MC34166T |
MC34166, MC33166
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 12 V, for typical values T
A
= +25
°
C, for min/max values T
A
is the operating ambient
temperature range that applies [Notes 4, 5], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OSCILLATOR
Frequency (V
CC
= 7.5 V to 40 V)
T
A
= +25
°
C
T
A
= T
low
to T
high
f
OSC
65
62
72
–
79
81
kHz
ERROR AMPLIFIER
Voltage Feedback Input Threshold
T
A
= +25
°
C
T
A
= T
low
to T
high
V
FB(th)
4.95
4.85
5.05
–
5.15
5.2
V
Line Regulation (V
CC
= 7.5 V to 40 V, T
A
= +25
°
C)
Input Bias Current (V
FB
= V
FB(th)
+ 0.15 V)
Power Supply Rejection Ratio (V
CC
= 10 V to 20 V, f = 120 Hz)
Output Voltage Swing
High State (I
Source
= 75
μ
A, V
FB
= 4.5 V)
Low State (I
Sink
= 0.4 mA,
V
FB
= 5.5 V)
PWM COMPARATOR
Duty Cycle
Maximum (V
FB
= 0 V)
Minimum (V
Comp
= 1.9 V)
SWITCH OUTPUT
Output Voltage Source Saturation (V
CC
= 7.5 V, I
Source
= 3.0 A)
Reg
line
I
IB
PSRR
–
0.03
0.078
%/V
μ
A
dB
–
0.15
1.0
60
80
–
V
OH
V
OL
4.2
–
4.9
1.6
–
1.9
V
DC
(max)
DC
(min)
92
0
95
0
100
0
%
V
sat
–
(V
CC
–1.5)
(V
CC
–1.8)
V
Off–State Leakage (V
CC
= 40 V, Pin 2 = Gnd)
Current Limit Threshold
Switching Times (V
CC
= 40 V, I
pk
= 3.0 A, L = 375
μ
H, T
A
= +25
°
C)
Output Voltage Rise Time
Output Voltage Fall Time
I
sw(off)
I
pk(switch)
–
0
100
μ
A
A
3.3
4.3
6.0
t
r
t
f
–
–
100
50
200
100
ns
UNDERVOLTAGE LOCKOUT
Startup Threshold (V
CC
Increasing, T
A
= +25
°
C)
Hysteresis (V
CC
Decreasing, T
A
= +25
°
C)
TOTAL DEVICE
Power Supply Current (T
A
= +25
°
C )
Standby (V
CC
= 12 V, V
Comp
< 0.15 V)
Operating (V
CC
= 40 V, Pin 1 = Gnd for maximum duty cycle)
4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
5. T
low
= 0
°
C for MC34166
T
high
= + 70
°
C for MC34166
= – 40
°
C for MC33166
= + 85
°
C for MC33166
V
th(UVLO)
V
H(UVLO)
5.5
5.9
6.3
V
0.6
0.9
1.2
V
I
CC
–
–
36
31
100
55
μ
A
mA
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC34166TG | 功能描述:直流/直流開關調(diào)節(jié)器 40V 3A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34166TG | 制造商:ON Semiconductor 功能描述:DC/DC Converter IC |
| MC34166TH | 功能描述:直流/直流開關調(diào)節(jié)器 40V 3A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34166THG | 功能描述:直流/直流開關調(diào)節(jié)器 40V 3A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC34166TV | 功能描述:直流/直流開關調(diào)節(jié)器 40V 3A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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