參數(shù)資料
型號： MAX1654EEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Efficiency, PWM, Step-Down DC-DC Controllers in 16-Pin QSOP
中文描述： SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁數(shù)： 3/28頁
文件大?。?/td> 265K
代理商： MAX1654EEE
M
High-Effic ienc y, PWM, S tep-Down
DC-DC Controllers in 16-Pin QS OP
_______________________________________________________________________________________
3
Note 1:
Since the reference uses VL as its supply, V+ line-regulation error is insignificant.
Note 2:
At very low input voltages, quiescent supply current may increase due to excessive PNP base current in the VL linear
regulator. This occurs if V+ falls below the preset VL regulation point (5V nominal).
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +15V, GND = PGND = 0V, SYNC = REF, I
VL
= I
REF
= 0A,
T
A
= 0°C to +85°C,
unless otherwise noted.)
SECFB, 0 or 4V
SYNC, SKIP
SHDN, 0 or 30V
SHDN, SKIP
SYNC
SYNC
SYNC = 0 or 5V
SYNC = REF
Guaranteed by design, not tested
CSH = CSL = 5.5V
V+ = 4.5V, CSH = CSL = 4.0V (Note 2)
SYNC = 0 or 5V
Falling edge
0 < I
REF
< 100μA
SYNC = REF
SHDN
= 0V, CSL = 5.5V, CSH = 5.5V, V+ = 0 or 30V,
VL = 0V
CONDITIONS
0.1
1.0
μA
3.0
No external load (Note 1)
Input Current
2.0
V
VL - 0.5
Input High Voltage
%
98
99
97
98
Dropout-Mode Maximum Duty
Cycle
kHz
190
340
Oscillator Sync Range
ns
200
SYNC Rise/Fall Time
ns
200
SYNC Low Pulse Width
ns
200
SYNC High Pulse Width
125
150
175
kHz
270
300
330
Oscillator Frequency
2.46
2.0
2.50
2.54
2.4
1
2
Quiescent Power Consumption
OSCILLATOR AND INPUTS/OUTPUTS
1
8
Dropout Power Consumption
5
15
V+ Shutdown Current
V+ Off-State Leakage Current
V
Reference Fault Lockout Voltage
Reference Load Regulation
mV
μA
0.1
1
CSL, CSH Shutdown Leakage
Current
UNITS
V
MIN
TYP
MAX
PARAMETER
SHDN
= 0V, V+ = 30V, CSL = 0 or 5.5V
FB = CSH = CSL = 5.5V, VL switched over to CSL
DL forced to 2V
DH forced to 2V, BST - LX = 4.5V
High or low
FB, FB = REF
CSH, CSL, CSH = CSL
≤
4V
A
A
1
1
DL Sink/Source Current
DH Sink/Source Current
DL On-Resistance
±0.1
70
SHDN, SKIP
0.5
V
0.8
Input Low Voltage
High or low, BST - LX = 4.5V
1.5
5
DH On-Resistance
1.5
5
Reference Output Voltage
3
5
7
15
μA
μA
mW
mW
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1654EEE+ 功能描述:DC/DC 開關(guān)控制器 PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1654EEE+T 功能描述:DC/DC 開關(guān)控制器 PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1654EEE-T 功能描述:DC/DC 開關(guān)控制器 PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1655EEE 功能描述:DC/DC 開關(guān)控制器 PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1655EEE+ 功能描述:DC/DC 開關(guān)控制器 PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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