參數(shù)資料
型號(hào): ML4901
廠商: Fairchild Semiconductor Corporation
英文描述: High Current Synchronous Buck Controller For DC/DC conversion(用于DC/DC變換的大電流同步補(bǔ)償控制器(12V到2.1V~3.5V變換))
中文描述: 高電流同步降壓控制器,用于直流/直流轉(zhuǎn)換(用于直流/直流變換的大電流同步補(bǔ)償控制器(12V的到大于2.1V?3.5V的變換))
文件頁(yè)數(shù): 4/8頁(yè)
文件大?。?/td> 239K
代理商: ML4901
ML4901
4
ELECTRICAL CHARACTERISTICS
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BUCK REGULATOR (continued)
V
FB
Threshold Voltage
DAC (D3-D0) Code = 0000
3.500
3.535
3.570
V
DAC (D3-D0) Code = 0001
3.400
3.434
3.468
V
DAC (D3-D0) Code = 0010
3.300
3.333
3.366
V
DAC (D3-D0) Code = 0011
3.200
3.232
3.264
V
DAC (D3-D0) Code = 0100
3.100
3.131
3.162
V
DAC (D3-D0) Code = 0101
3.000
3.03
3.060
V
DAC (D3-D0) Code = 0110
2.900
2.929
2.958
V
DAC (D3-D0) Code = 0111
2.800
2.828
2.856
V
DAC (D3-D0) Code = 1000
2.700
2.727
2.754
V
DAC (D3-D0) Code = 1001
2.600
2.626
2.652
V
DAC (D3-D0) Code = 1010
2.500
2.525
2.550
V
DAC (D3-D0) Code = 1011
2.400
2.424
2.448
V
DAC (D3-D0) Code = 1100
2.299
2.323
2.347
V
DAC (D3-D0) Code = 1101
2.198
2.222
2.246
V
DAC (D3-D0) Code = 1110
2.097
2.121
2.145
V
DAC (D3-D0) Code = 1111
0.8
V
I
SENSE
Threshold Voltage
-85
-95
-105
mV
I
SENSE
Hysteresis
3
mV
PROTECT Discharge Current
V(I
SENSE
) = -120mV
35
μA
PROTECT Leakage Current
+100
nA
Transition Time, N DRV and P DRV
C
L
= 5000pF, 10-90%
40
ns
SUPPLY
V
DD
Current
SHDN
= 0V
DAC (D3-D0) Code = 0000
300
450
μA
SHDN
= 5V, V
FB
= 5V
1
2
mA
SHDN
= 5V, V
FB
= 0V, C
L
= 5000pF
30
mA
Note 1:
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
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