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)： 3/28頁
文件大?。?/td> 469K
代理商： MAX1802EHJ
M
Digital Camera Step-Down
Power Supply
_______________________________________________________________________________________
3
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
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
SYMBOL
CONDITIONS
REFERENCE
Reference Output Voltage
V
REF
I
REF
= 20
μ
A
REF Load Regulation
10
μ
A < I
REF
< 200
μ
A
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
OSC Discharge Pulse Width
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
OSC
= 0.625V, measured between VDDM
and LXM
Main Current-Sense Amplifier
Voltage Gain
Main N Channel Turn-Off
Threshold
Main Slope Compensation
Gain
MAIN ERROR AMPLIFIER
FBM Regulation Voltage
Unity gain configuration, FBM = COMPM
FBM to COMPM
Transconductance
-5
μ
A < I
LOAD
< 5
μ
A
FBM Input Leakage Current
V
FBM
= 1.35V
COMPM Minimum Output
Voltage
COMPM Maximum Output
Voltage
PARAMETER
MIN
1.235
TYP
1.248
5
1
MAX
1.260
9
5
UNITS
V
mV
mV
REF rising, 20mV hysteresis
0.9
1
1.1
V
1.225
1.8
1.6
1.250
0.2
30
100
1.275
100
100
0.4
V
nA
ns
V
V
Input Leakage Current
0.01
1
μ
A
V
OUT
2.7
5.5
V
Main
Idle Mode
Threshold
8
20
32
mV
A
VCSM
Measured between VDDM and LXM
8.4
9.3
10.2
V/V
Measured between LXM and PGNDM
-26
-17
-8
mV
A
VSWM
0.16
0.20
0.24
V/V
1.233
1.248
1.263
V
G
EA
Unity gain configuration, FBM = COMPM,
70
100
160
μ
S
5
100
nA
V
FBM
= 1.35V, COMPM open
0.3
V
V
COMPM MAX)
V
FBM
= 1.15V, COMPM open
2.00
2.14
2.27
V
Idle Mode is a trademark of Maxim Integrated Products.
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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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