參數(shù)資料
型號: MAX1800EHJ
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Digital Camera Step-Up Power Supply
中文描述: 2 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQFP32
封裝: 5 X 5 MM, 1 MM HEIGHT, TQFP-32
文件頁數(shù): 5/24頁
文件大?。?/td> 461K
代理商: MAX1800EHJ
M
Digital Camera Step-Up
Power Supply
_______________________________________________________________________________________
5
Typical Operating Characteristics
(Circuit of Figure 1, V
INPUT
= 2.4V, T
A
= +25
°
C, unless otherwise noted.)
90
80
0
1
1000
100
10
MAIN OUTPUT
EFFICIENCY vs. LOAD CURRENT
30
20
10
70
60
50
40
100
M
LOAD CURRENT (mA)
E
V
OUT
= 2.7V
V
IN
= 2.5V
V
IN
= 2.0V
V
IN
= 1.5V
90
80
0
1
1000
100
10
MAIN OUTPUT
EFFICIENCY vs. LOAD CURRENT
30
20
10
70
60
50
40
100
M
LOAD CURRENT (mA)
E
V
OUT
= 3.3V
V
IN
= 3.0V
V
IN
= 2.0V
V
IN
= 2.5V
V
IN
= 1.5V
90
80
0
1
1000
100
10
30
20
10
70
60
50
40
100
M
LOAD CURRENT (mA)
E
V
OUT
= 5V
V
IN
= 3.0V
V
IN
= 2.0V
V
IN
= 2.5V
V
IN
= 1.5V
MAIN OUTPUT
EFFICIENCY vs. LOAD CURRENT
1.240
1.245
1.250
1.255
1.260
REFERENCE VOLTAGE vs.
TEMPERATURE
M
TEMPERATURE (
°
C)
R
-40
20
40
-20
0
60
80
1.247
1.249
1.248
1.251
1.250
1.252
1.253
0
100
50
150
200
250
REFERENCE VOLTAGE
vs. REFERENCE CURRENT
M
REFERENCE CURRENT (
μ
A)
R
0
400
300
200
100
500
600
0
0.5
1.0
1.5
2.0
2.5
M
INPUT VOLTAGE (V)
S
MINIMUM STARTUP CURRENT
vs. INPUT VOLTAGE
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