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)： 8/28頁
文件大?。?/td> 469K
代理商： MAX1802EHJ
M
Digital Camera Step-Down
Power Supply
8
_______________________________________________________________________________________
PARAMETER
FBC Input Leakage Current
COMPC Minimum Output
Voltage
COMPC Maximum Output
Voltage
CORE POWER SWITCHES (V
ONC
= 3V)
LXC Leakage Current
SYMBOL
CONDITIONS
MIN
TYP
MAX
100
UNITS
nA
V
FBC
= 1.35V
V
FBC
= 1.35V, COMPC open
0.3
V
V
COMPC(MAX)
V
FBC
= 1.15V, COMPC open
2.00
2.27
V
V
LXC
= 0, 5.5V
N-channel, I
LXC
= 0.75A
P-channel, I
LXC
= 0.75A
20
350
400
190
0.3
0.675
1.10
μA
R
DSN
R
DSP
Switch On-Resistance
m
N-Channel Turn-Off Current
AUXILIARY DC-DC CONTROLLERS 1, 2, 3 (V
ON1
= V
DCON
_= 3V)
INTERNAL CLOCK
OSC Clock Low Trip Level
5
mA
OSC falling edge
V
DCON
_ = 0.625V
V
DCON
_ = 1.25V to V
VL
0.2
0.575
1.00
V
V
OSC Clock High Trip Level
Maximum Duty Cycle
Adjustment Range
DCON_ Input Leakage Current
DCON_ Input Sleep-Mode
Threshold
AUXILIARY ERROR AMPLIFIER
40
90
%
V
DCON
_ = 0V to 3V
1
μA
V
DCON
_ rising, 50mV hysteresis
0.35
0.45
V
FB_ Regulation Voltage
Unity gain configuration, FB_ = COMP_
1.230
1.265
V
FB_ to COMP_
Transconductance
FB_ Input Leakage Current
AUXILIARY DRIVERS (DL1, DL2, DL3)
DL_ Driver Resistance
G
EA
Unity gain configuration, FB_ = COMP_,
-5μA < I
LOAD
< 5μA
V
FB
_ = 1.35V
Output high or low
70
160
μs
100
11
nA
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)
Note 1:
Specifications to -40
°
C are guaranteed by design and not production tested.
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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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