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参数资料
| 型号： | DS2148TN |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Digital Transmission Interface |
| 英文描述： | DATACOM, PCM TRANSCEIVER, PQFP44 |
| 封装： | TQFP-44 |
| 文件页数： | 11/16页 |
| 文件大小： | 603K |
| 代理商： | DS2148TN |
Typical Operating Characteristics
(VIN = 3.6V, SKIP = GND, TA = +25°C, Figure 4, unless otherwise noted.)
MAX8625A
High-Efficiency, Seamless Transition,
Step-Up/Down DC-DC Converter
4
_______________________________________________________________________________________
EFFICIENCY vs. LOAD CURRENT
SKIP AND FPWM MODES
MAX8625A
toc01
LOAD CURRENT (mA)
EFFICIENCY
(%)
100
10
1
10
20
30
40
50
60
70
80
90
100
0
0.1
1000
VOUT = 3.3V
VIN = 2.7V,
3.0V,
3.3V,
3.6V,
4.2V,
5.0V
60
70
65
80
75
85
90
95
100
2.0
3.0
3.5
2.5
4.0
4.5
5.0
5.5
6.0
SKIP-MODE EFFICIENCY
vs. INPUT VOLTAGE
MAX8625A
toc02
INPUT VOLTAGE (V)
EFFICIENCY
(%)
100mA
300mA
500mA
VOUT = 3.3V
LOAD CURRENT = 100mA,
300mA, 500mA
EFFICIENCY vs. LOAD CURRENT
FPWM MODE (FIGURE 3)
MAX8625A
toc03
LOAD CURRENT (mA)
EFFICIENCY
(%)
100
10
1
10
20
30
40
50
60
70
80
90
100
0
0.1
1000
VOUT = 2.8V
VIN = 2.7V,
3.0V,
3.3V,
3.6V,
4.2V,
5.0V
EFFICIENCY vs. LOAD CURRENT
FPWM MODE (FIGURE 3)
MAX8625A
toc04
LOAD CURRENT (mA)
EFFICIENCY
(%)
100
10
1
10
20
30
40
50
60
70
80
90
100
0
0.1
1000
VOUT = 3.45V
VIN = 2.7V,
3.0V,
3.3V,
3.6V,
4.2V,
5.0V
OUTPUT VOLTAGE (3.3V INTERNAL FB)
vs. LOAD CURRENT
MAX8625A
toc05
LOAD CURRENT (mA)
DEVIATION
(%)
100
10
1
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0.1
1000
VOUT = 3.3V
TA = +25
°C, TA = -40°C, TA = +85°C
OUTPUT VOLTAGE (2.8V EXTERNAL FB)
vs. LOAD CURRENT (FIGURE 3)
MAX8625A
toc06
LOAD CURRENT (mA)
DEVIATION
(%)
100
10
1
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0.1
1000
VOUT = 2.8V
TA = +25
°C, TA = -40°C, TA = +85°C
3.27
3.29
3.28
3.31
3.30
3.32
3.33
3.0
4.0
4.5
3.5
5.0
5.5
6.0
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH INTERNAL FB RESISTORS
MAX8625A
toc07
INPUT VOLTAGE (V)
OUTPUT
VOLTAGE
(V)
LOAD: 500mA, VOUT = 3.3V
TA = +25
°C, TA = -40°C, TA = +85°C
2.75
2.77
2.76
2.79
2.78
2.81
2.80
2.82
3.0
4.0
4.5
3.5
5.0
5.5
6.0
OUTPUT VOLTAGE vs. INPUT VOLTAGE
WITH EXTERNAL FB RESISTORS
MAX8625A
toc08
INPUT VOLTAGE (V)
OUTPUT
VOLTAGE
(V)
LOAD: 500mA, VOUT = 2.8V
TA = +25
°C, TA = -40°C, TA = +85°C (FIGURE 3)
SUPPLY CURRENT vs. INPUT VOLTAGE
WITH NO LOAD
MAX8625A
toc09
INPUT VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.5
5.0
4.5
4.0
3.5
3.0
2.5
0.1
1
10
100
0.01
2.0
6.0
NO LOAD VOUT = 3.3V
FPWM MODE
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|---|---|
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| DS2151QB | DATACOM, FRAMER, PQCC44 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2148TN+ | 功能描述:网络控制器与处理器 IC 5V E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2148TNB | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2148TNC | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2148TN-W | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2149 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:5V T1/J1 Line Interface Unit |
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