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MB3800PFV-E1 参数 Datasheet PDF下载

MB3800PFV-E1图片预览
型号: MB3800PFV-E1
PDF下载: 下载PDF文件 查看货源
内容描述: 开关稳压器控制器(低压) [Switching Regulator Controller (Low Voltage)]
分类和应用: 稳压器开关控制器
文件页数/大小: 20 页 / 283 K
品牌: FUJITSU [ FUJITSU COMPONENT LIMITED. ]
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MB3800
ELECTRICAL CHARACTERISTICS
(V
CC
= +2 V, Ta = +25°C)
Parameter
Circuit to prevent
malfunction at low
input voltage
(U.V.L.O.)
Soft start
Short circuit
detection (S.C.P
.)
Reset voltage
Threshold voltage
Charging current
Voltage at soft start
completion
Charging current
Threshold voltage
Oscillation frequency
Sawtooth wave
oscillator (OSC)
Frequency input
stability
Frequency variation
with temperature
Input threshold
voltage
V
T
input stability
V
T
variation with
temperature
Input bias current
Error amplifier
Voltage gain
Frequency bandwidth
Maximum output
voltage range
Output source current
Output sink current
Idle period
adjustment section
Maximum duty cycle
Symbol
V
R
V
TH
I
CS
V
tS
I
CPC
V
tPC
f
OCS
f
dV
f
dT
V
T
V
TdV
V
TdT
I
B
A
V
BW
V
OM+
V
OM–
I
OM+
I
OM–
t
DUTY
V
FB
= 0.45 V
R
T
= 3.0 kΩ, C
T
= 270 pF
V
FB
= 0.8 V
A
V
= 0 dB
V
SCP
= 0 V
R
T
= 3.0 kΩ, C
T
= 270 pF
V
CC
= 2 V to 15 V
Ta = –30°C to +85°C
V
FB
= 450 mV
V
CC
= 2 V to 15 V
Ta = –30°C to +85°C
V
IN
= 0 V
V
SCP
= 0 V
1.1
–1.5
0.7
–1.5
0.7
400
480
–1.0
70
0.78
24
65
1.3
–1.0
0.8
–1.0
0.8
500
2
5
500
5
1
–0.2
100
6
0.87
0.05
–40
40
75
1.5
–0.7
0.9
–0.7
0.9
600
10
520
20
+1.0
145
0.2
–24
85
V
µA
V
µA
V
kHz
%
%
mV
mV
%
µA
V/V
MHz
V
V
µA
µA
%
Condition
Value
Min
Typ
Max
0.9
Unit
V
(Continued)
5