參數(shù)資料
型號(hào)： MAX1802EHJ
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Digital Camera Step-Down Power Supply
中文描述： 0.75 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP32
封裝： 5 X 5 MM, 1 MM HEIGHT, TQFP-32
文件頁數(shù)： 6/28頁
文件大?。?/td> 469K
代理商： MAX1802EHJ
M
Digital Camera Step-Down
Power Supply
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
VDDM
= 6V, V
VDDC
= 3V, PGNDM = PGND = GND, DCON1 = REF, V
ONM
= 3V, V
ONC
= V
ON1
= V
DCON2
=
V
DCON3
= 0,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
GENERAL
Input Voltage Range
V
IN
SUPPLY CURRENT
Shutdown Supply Current
(from VDDM and VDDC)
V
FBM
= 1.5V, V
VDDC
= 0
Main DC-DC Converter
Supply Current (from VDDM)
V
FBM
= 1.5V, V
VDDC
= 3V
Main DC-DC Converter
Supply Current (from VDDC)
Main plus Core Supply Current
(from VDDC)
Main plus Auxiliary 1 Supply
Current (from VDDC)
Main plus Auxiliary 2 Supply
Current (from VDDC)
Main plus Auxiliary 3 Supply
Current (from VDDC)
V
FBM
= V
FBC
= V
FB1
= V
FB2
= V
FB3
= 1.5V,
V
ONC
= V
ON1
= V
DCON1
= V
DCON2
=
V
DCON3
= 3V
VL REGULATOR
6V < V
VDDM
< 11V,
0.1mA < I
LOAD
< 10mA
VL Supply Rejection
3.5V < V
VDDM
< 11V, V
VDDC
= 0
VL Undervoltage Lockout
Threshold
VL Switchover Voltage to VDDC
V
L
rising, 100mV hysteresis
VL to VDDC Switch Resistance
REFERENCE
Reference Output Voltage
V
REF
I
REF
= 20μA
REF Load Regulation
10μA < I
REF
< 200μA
REF Line Rejection
2.7V < V
OUT
< 5.5V
REF Undervoltage Lockout
Threshold
OSCILLATOR
OSC Discharge Trip Level
OSC rising
OSC Input Bias Current
V
OSC
= 1.1V
OSC Discharge Resistance
V
OSC
= 1.5V
MIN
2.5
TYP
MAX
11
UNITS
V
V
ONM
= 0
20
μA
600
55
μA
V
FBM
= 1.5V, V
VDDC
= 3V
450
μA
V
FBM
= V
FBC
= 1.5V, V
ONC
= 3V
700
μA
V
FBM
= V
FB1
= 1.5V, V
ON1
= V
DCON1
= 3V
750
μA
V
FBM
= V
FB2
= 1.5V, V
DCON2
= 3V
750
μA
V
FBM
= V
FB3
= 1.5V, V
DCON3
= 3V
750
μA
Total Supply Current
(from VDDC)
1700
μA
VL Output Voltage
2.83
3.12
V
3
%
V
L
rising, 40mV hysteresis
2.25
2.50
V
2.3
1.230
2.5
7
1.262
9
5
V
V
mV
mV
REF rising, 20mV hysteresis
0.9
1.1
V
1.225
1.275
100
100
V
nA
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參數(shù)描述
MAX1802EHJ+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Slave DC/DC Controller 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
MAX1802EHJ+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Slave DC/DC Controller 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
MAX1802EHJ-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Slave DC/DC Controller 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
MAX1804EUB 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1804EUB+ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Feedback Integrator for Power Supply RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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