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參數(shù)資料
| 型號： | MB3789 |
| 廠商： | Fujitsu Limited |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 214K |
| 代理商： | MB3789 |
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MB3789
I
ELECTRICAL CHARACTERISTICS
(V
CC
1 = 5 V, V
CC
2 = 6 V, Ta = +25
°
C)
Value
Min.
Typ.
2.400
2.500
* :Standard design value
(Continued)
Parameter
Symbol
Condition
Unit
Max.
2.600
Reference
voltage block
Output voltage
Output voltage
temperature
variation
Input stability
Load stability
Short output current
V
REF
I
OR
= 0
μ
A
V
V
REF
/V
REF
Ta = –30
°
C to +85
°
C*
—
0.2
2
%
Line
Load
I
OS
V
TH
V
TL
V
HYS
V
R
I
CHG
V
T0
V
T100
V
TH
V
CC
= 3.0 V to 18 V
I
OR
= 0
μ
A to –50
μ
A
V
REF
= 0 V
—
—
—
—
V
SCP
0.9 V
Duty cycle = 0%
Duty cycle = 100%
—
—
—
1
2
10
10
–300
2.62
—
—
—
–1.2
0.4
1.0
1.90
mV
mV
μ
A
V
V
mV
V
μ
A
V
V
V
–700
—
1.62
80
1.0
–2.8
0.2
0.8
1.70
–450
2.15
1.90
250
1.4
–2.0
0.3
0.9
1.80
Under
voltage
lockout
protection
circuit
Threshold voltage
Hysteresis width
Reset voltage (V
CC
)
Charge current
Soft start
block
Threshold voltage
Short circuit
detection
block
Threshold voltage
Input standby
voltage
Input latch voltage
Input source current
V
STB
—
1.15
1.25
1.35
mV
V
I
I
I
—
—
–8.4
50
–6.0
100
–3.6
mV
μ
A
V
SCP
= 1.5 V
C
T
= 1000 pF,
R
T
= 39 k
Triangular
waveform
oscillator
block
Oscillator frequency
f
OSC
17
20
23
kHz
Frequency voltage
variation
Frequency
temperature
variation
Synchronous pin
input current
Synchronous pin
threshold voltage
f/f
dv
V
CC
= 3 V to 18 V
—
1
10
%
f/f
dT
Ta = –30
°
C to +85
°
C*
—
3
—
%
I
SYNC
V
THSY
= 5 V
0.9
1.3
2.2
mA
V
THSY
—
0.65
0.75
0.85
V
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