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參數(shù)資料
| 型號： | MAX1557ETB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 16レA IQ, 1.2A PWM Step-Down DC-DC Converters |
| 中文描述： | 2.25 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, DSO10 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEED-3, TDFN-10 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 732K |
| 代理商： | MAX1557ETB |
M
16μA I
Q
, 1.2A PWM DC-DC
Step-Down Converters
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= V
INP
= 3.6V, D1 = D2 =
SHDN
= IN, Circuits of Figures 2 and 3, T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
WITH 3.3V OUTPUT
M
LOAD CURRENT (mA)
E
100
10
1
60
70
80
90
100
50
40
0.1
1000
10,000
V
IN
= 5V
V
IN
= 3.6V
V
IN
= 4.2V
EFFICIENCY vs. LOAD CURRENT
WITH 2.5V OUTPUT
M
LOAD CURRENT (mA)
E
100
10
1
60
70
80
90
100
50
40
0.1
1000
10,000
V
IN
= 3.6V
V
IN
= 3V
V
IN
= 2.6V
V
IN
= 5V
EFFICIENCY vs. LOAD CURRENT
WITH 1.8V OUTPUT
M
LOAD CURRENT (mA)
E
100
10
1
60
70
80
90
100
50
40
0.1
1000
10,000
V
IN
= 5V
V
IN
= 3.6V
V
IN
= 3V
V
IN
= 2.6V
EFFICIENCY vs. LOAD CURRENT
WITH 1.0V OUTPUT (MAX1557)
M
LOAD CURRENT (mA)
E
100
10
1
60
70
80
90
100
50
40
0.1
1000
V
IN
= 5V
V
IN
= 3.6V
V
IN
= 3V
V
IN
= 2.6V
OUTPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
1000
800
600
400
200
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.74
0
1200
T
A
= -45
°
C
T
A
= +25
°
C
T
A
= +85
°
C
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH 600mA LOAD
M
INPUT VOLTAGE (V)
O
5.0
4.5
4.0
3.5
3.0
1.780
1.781
1.782
1.783
1.784
1.785
1.786
1.787
1.788
1.789
1.779
2.5
5.5
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH NO LOAD
M
INPUT VOLTAGE (V)
O
5.0
4.5
4.0
3.5
3.0
1.804
1.805
1.806
1.807
1.808
1.809
1.810
1.811
1.812
1.803
2.5
5.5
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
SUPPLY CURRENT vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
μ
A
5
4
3
2
2
4
6
8
10
12
14
16
18
20
0
1
6
HEAVY-LOAD SWITCHING WAVEFORMS
MAX1556/7 toc09
I
LOAD
= 750mA
V
OUT
AC-COUPLED
10mV/div
V
LX
2V/div
0
I
LX
0
400ns
500mA/div
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相關代理商/技術參數(shù) |
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|---|---|
| MAX1557ETB+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 10TDFN EP - Rail/Tube |
| MAX1557ETB+T | 功能描述:直流/直流開關轉換器 16uA IQ 1.2A PWM Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 |
| MAX1557ETB-T | 功能描述:直流/直流開關轉換器 16uA IQ 1.2A PWM Step-Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 |
| MAX15588GTL+ | 制造商:Maxim Integrated Products 功能描述:2-/1-PHASE+1 PHASE QUICKTUNE-PWM CONTROLLER WITH I2C INTERFA - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC PWM CTLR I2C INTERFACE QFN |
| MAX15588GTL+T | 制造商:Maxim Integrated Products 功能描述:2-/1-PHASE+1 PHASE QUICKTUNE-PWM CONTROLLER WITH I2C INTERFA - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC PWM CTLR I2C INTERFACE QFN |
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