參數(shù)資料
型號： MAX1796EUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Low Supply Current, Step-Up DC-DC Converters with True-Shutdown
中文描述： 1.5 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8
封裝： MO-187, UMAX-8
文件頁數(shù)： 4/13頁
文件大?。?/td> 397K
代理商： MAX1796EUA
M
Low Supply Current, Step-Up DC-DC Converters
with True-Shutdown
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
0.3
0.45
0.37
0.7
1.32
UNITS
NFET
PFET
Internal NFET, PFET On-
Resistance
R
DS(ON)
V
OUT
= +3.3V,
I
LX
= 100mA
MAX1795
MAX1796
MAX1797
V
LX
= 0 and +5.5V, V
OUT
= +5.5V
I
LIM
0.19
0.35
0.8
LX Switch Current Limit (NFET
only)
A
LX Leakage Current
Damping Switch On-Resistance
I
LEAK
R
DAMP
μ
A
100
400
Operating Current into OUT
(Note 2)
V
FB
= +1.4V
45
μ
A
Operating Current into BATT
Shutdown Current into BATT
LX Switch Maximum On-Time
LX Switch Minimum Off-Time
V
FB
= +1.4V, V
LBI
= +1V
SHDN = BATT, V
LBI
= +1V
V
FB
= +1V, if current limit not reached
V
FB
= +1V
V
BATT
= +2V
V
BATT
= LBI
V
LBI
= +0.8V
V
BATT
= V
LBI
= +0.975V,
sinking 20
μ
A (50
typ)
4
4
μ
A
μ
A
μ
s
μ
s
t
ON
t
OFF
2.75
0.7
0.8
0.875
5.25
1.3
0.90
0.975
100
LBI Threshold Voltage
V
LBI
V
LBI Input Current
I
LBI
nA
0.1
LBO Low Output Voltage
V
BATT
= V
LBI
= +1.1V,
sinking 100
μ
A (25
typ)
V
LBO
= +5.5V
0.1
V
LBO Off-Leakage Current
100
nA
V
IL
0.2
V
BATT
SHDN Input Voltage
V
IH
0.8
V
BATT
V
Shutdown Input Current
V
SHDN
= 0 and +5.5V
100
nA
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= +2V, OUT = FB (V
OUT
= +3.3V), SHDN = LBI = GND,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 3)
Note 1:
Operating Voltage: Since the regulator is bootstrapped to the output, once started it will operate down to a 0.7V input.
Note 2:
Device is bootstrapped (power to IC comes from OUT). This correlates directly with the actual battery supply current.
Note 3:
Specifications to -40
°
C are guaranteed by design, not production tested.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1796EUA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1796EUA+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1796EUA-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1797EUA 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1797EUA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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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