參數(shù)資料
型號(hào)： MAX1775EEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： 32-Bit Digital Signal Controller with ROM 100-LQFP -40 to 125
中文描述： 1 A DUAL SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137AA, QSOP-16
文件頁(yè)數(shù)： 3/15頁(yè)
文件大?。?/td> 290K
代理商： MAX1775EEE
M
Dual-Output Step-Down
DC-DC Converter for PDA/Palmtop Computers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +12V, V
MAIN
= V
INC
= V
CS-
= V
CS+
= +3.3V, V
CORE
= +1.8V, Circuit of Figure 4,
T
A
= 0
°
C to +85
°
C,
unless otherwise noted.
Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CORE REGULATOR
Input Voltage Range
V
INC
2.6
2.40
2.30
5.5
2.55
2.45
V
V
INC
rising
V
INC
falling
2.47
2.37
INC Undervoltage Lockout
V
Core Output Voltage Adjust
Range
1.0
5.0
V
Maximum Core Load Current
FBC Regulation Threshold
FBC Input Current
Dropout Voltage (INC to LXC)
LXC Leakage Current
(Note 1)
V
INC
= +2.5 to +5.5V, I
OUTC
= 0 to 200mA
V
FBC
= +1.3V
I
OUTC
= 400mA
V
INC
= +5.5V, V
LXC
= 0 to +5.5V
1
1.5
1.0
A
V
μA
V
μA
V
FBC
I
FBC
0.97
-0.1
1.03
0.1
0.25
10
0.1
I
LXC
-10
LXC P-Channel, N-Channel
On-Resistance
0.25
0.5
LXC P-Channel Current Limit
I
CLC
1200
1800
3000
mA
LXC P-Channel Minimum
Current
100
200
400
mA
LXC N-Channel Valley Current
900
1400
2400
mA
LXC N-Channel Zero-Crossing
Current
40
110
170
mA
LXC Dead Time
Maximum Duty Cycle
Minimum On-Time
Minimum Off-Time
REFERENCE
Reference Voltage
Reference Load Regulation
Reference Line Regulation
Reference Sink Current
CVL, CVH REGULATORS
50
ns
%
ns
ns
100
170
170
400
400
670
670
V
REF
1.23
1.25
1.27
10
5
V
I
REF
= 0 to 50μA
V
CS
- = +2.5V to +5.5V, I
REF
= 50μA
mV
mV
μA
I
REF
10
I
CVL
= 50mA, V
IN
= +2.7V, V
CS
- = 0
I
CVL
= 50mA, V
CS
- = +3.3V
V
CS-
rising, hysteresis = 100mV (typ)
V
IN
= +4V, I
CVH
= 25mA
V
IN
= +12V, I
CVH
= 50mA
V
IN
rising, hysteresis = 350mV (typ)
V
CVL
rising
V
CVL
falling
2.6
2.8
3.2
2.47
V
IN
- 3.4 V
IN
- 2.8
V
IN
- 4.3 V
IN
- 3.7
5.5
2.47
2.37
3.1
CVL Output Voltage
V
CVL
V
CVL Switchover Threshold
2.40
2.55
V
CVH Output Voltage
V
CVH
V
CVH Switchover Threshold
V
IN
V
2.40
2.30
2.55
2.45
CVL Undervoltage Lockout
V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1775EEE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1775EEE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1775EEE-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Dual-Out Step-Down for PDA/Palmtop RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1775EEE-TG069 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1775EVKIT 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Evaluation Kit for the MAX1775 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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