參數(shù)資料
型號： 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)： 7/28頁
文件大?。?/td> 469K
代理商： MAX1802EHJ
M
Digital Camera Step-Down
Power Supply
_______________________________________________________________________________________
7
ELECTRICAL CHARACTERISTICS (continued)
(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
LOGIC INPUTS (ONM, ONC, ON1)
Input Low Level
V
IL
ONM
Input High Level
V
IH
ONC, ON1
ONM: V
IN
= 0 or 11V;
ONC, ON1: V
IN
= 0 or 5V
MAIN DC-DC CONVERTER
Main Output Voltage Adjust Range
V
OUT
V
OSC
= 0.625V, measured between
VDDM and LXM
Main Current-Sense Amplifier
Voltage Gain
Main Zero-Crossing Threshold
Measured between LXM and PGNDM
Main Slope Compensation Gain
A
VSWM
MAIN ERROR AMPLIFIER
FBM Regulation Voltage
Unity gain configuration, FBM = COMPM
FBM to COMPM
Transconductance
- 5
μ
A < I
LOA D
< 5
μ
A
FBM Input Leakage Current
V
FBM
= 1.35V
COMPM Minimum Output
Voltage
COMPM Maximum Output
Voltage
MAIN DRIVERS (DHM, DLM)
Output Low Voltage
I
SINK
= 10mA
MIN
1.8
1.6
TYP
MAX
0.4
UNITS
V
V
Input Leakage Current
1
μ
A
2.7
5.5
V
Main
Idle Mode Threshold
2
35
mV
A
VCSM
Measured between VDDM and LXM
8.4
10.2
V/V
-20
0.16
1.230
-8
mV
V/V
0.24
1.265
V
G
EA
U ni y g ai n confi g ur ati on, FBM = C OM P M
70
160
μ
S
100
nA
V
FBM
= 1.35V, COMPM open
0.3
V
V
COMPM(MAX)
V
FBM
= 1.15V, COMPM open
2.00
2.27
V
0.11
V
Output High Voltage
I
SOURCE
= 10mA
V
VDDM
-
0.11
V
Driver Resistance
CORE DC-DC CONVERTER (V
ONC
= 3V)
Core Output Voltage Adjust
Range
Core
Idle Mode Threshold
Core Current-Sense Amplifier
Transresistance
Core Slope Compensation Gain
CORE ERROR AMPLIFIER (V
ONC
= 3V)
FBC Regulation Voltage
FBC to COMPC
Transconductance
I
DHM
= 10mA, I
DLM
= 10mA
11
V
OUT
1.25
5.5
V
V
OSC
= 0.625V
40
360
mA
R
CSC
0.7
1.3
V/A
A
VSWC
Unity gain configuration, FBC = COMPC
U ni y g ai n confi g ur ati on, FBC = C OM P C
- 5
μ
A < I
LOA D
< 5
μ
A
0.16
1.230
0.24
1.265
V/V
V
G
EA
70
160
μ
S
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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 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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