參數(shù)資料
型號(hào)： MAX1765
廠(chǎng)商： Maxim Integrated Products, Inc.
元件分類(lèi)： 數(shù)字信號(hào)處理
英文描述： Replaced by TMS320C6410 : Digital Signal Processors 68-PLCC -40 to 85
中文描述： 800mA、低噪聲、升壓型DC-DC轉(zhuǎn)換器，帶有500mA線(xiàn)性穩(wěn)壓器
文件頁(yè)數(shù)： 5/19頁(yè)
文件大?。?/td> 559K
代理商： MAX1765
M
800mA, Low-Noise, Step-Up DC-DC Converter
with 500mA Linear Regulator
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS
(V
OUT
= V
POUT
= V
INL
= V
ONA
= V
ONL
= 3.6V, CLK/SEL = FBL =
ONB
= TRACK = PGND = GND, ISET = REF (bypassed with
0.22μF), LX = open, OUTL = open (bypassed with 4.7μF),
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC-DC CONVERTER
FB Regulation Voltage
V
FB
CLK/SEL = OUT, 0 < I
LX
< 0.55A
1.210
1.280
V
OUT Voltage in Track Mode
V
OUTL
> 2.0V, INL = POUT
V
OUTL
+ 0.4
V
OUTL
+ 0.6
V
Startup to Normal Mode
Transition Voltage
Rising edge only (Note 2)
2.00
2.30
V
Supply Current in Normal Mode
(Note 3)
CLK/SEL = ONL = GND, no load
200
μ
A
Supply Current in
Low-Noise PWM Mode (Note 3
C LK/S E L = OU T, V
FB
= 1.5V no l oad
200
μ
A
Supply Current in Shutdown
DC-DC SWITCHES
POUT Leakage Current
LX Leakage Current
ONA = ONL = GND,
ONB
= OUT
10
μ
A
V
LX
= 0, V
OUT
= 5.5V
V
LX
= V
OUT
= V
N-channel
P-channel
V
ISET
= 1.25V, CLK/SEL = GND or OUT
CLK/SEL = GND
10
10
0.28
0.50
1600
120
μ
A
μ
A
ONB
= 5.5V, ONA = GND
Switch On-Resistance
N C hannel C ur ent Li m ( N ote 4)
P-Channel Turn-Off Current
REFERENCE
Reference Output Voltage
LINEAR REGULATOR
I
LIM
1000
5
mA
mA
I
REF
= 0
1.225
1.275
V
Output Voltage in Internal
Feedback Mode
FBL = GND, I
OUTL
= 10mA
2.79
2.90
V
FBL Input Threshold
FBL Regulation Voltage
LDO Startup Voltage
Dropout Resistance
INL Supply Current in Shutdown
INL No-Load Supply Current
150
1.225
2.15
350
1.275
2.45
0.5
10
250
mV
V
V
μ
A
μ
A
FBL = OUTL, I
OUTL
= 10mA, I
REF
= 0
V
OUT
= 2V, rising edge only
V
FBL
OUTL = ONA = ONL = GND
I
OUTL
= 0, V
INL
= 5.5V
= 1V, I
OUTL
= 500mA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1765EEE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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
MAX1765EEE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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
MAX1765EEE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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
MAX1765EEE-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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
MAX1765EUE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg 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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