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): 10/28頁
文件大小: 469K
代理商: MAX1802EHJ
1.247
1.249
1.248
1.251
1.250
1.252
1.253
0
100
50
150
200
250
M
REFERENCE CURRENT (
μ
A)
R
REFERENCE VOLTAGE
vs. REFERENCE CURRENT
0
20
10
40
30
50
60
1
100
10
1000
10,000
M
FREQUENCY (kHz)
S
FB_ TO COMP_ SMALL-SIGNAL
OPEN-LOOP FREQUENCY RESPONSE
M
Digital Camera Step-Down
Power Supply
10
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
VDDM
= 6V, V
VDDC
= 3.3V, V
ONM
= 3V, V
ONC
= V
ON1
= V
DCON2
= V
DCON3
= 0, T
A
= +25
°
C, unless otherwise
noted.)
1ms/div
MAIN OUTPUT STARTUP RESPONSE
MAX1802 toc12
0V
0V
0A
V
5V/div
V
2V/div
I
200mA/div
1ms/div
CORE OUTPUT STARTUP RESPONSE
0V
0V
0A
V
5V/div
V
CORE
2V/div
I
OUT
100mA/div
1ms/div
AUXILIARY CONTROLLER
STARTUP RESPONSE
MAX1802 toc14
V
_
5V/div
V
OUT
2V/div
I
200mA/div
0V
0V
0A
1.240
1.245
1.250
1.255
1.260
M
TEMPERATURE (
°
C)
R
-40
20
40
-20
0
60
80
REFERENCE VOLTAGE
vs. TEMPERATURE
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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