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参数资料
| 型号： | MAX1624 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power |
| 中文描述： | 高速、同步整流、降压型控制器，用于CPU电源 |
| 文件页数： | 3/24页 |
| 文件大小： | 223K |
| 代理商： | MAX1624 |
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= V
CC
= D4 = +5V, PGND = AGND = D0–D3 = 0V, R
FREQ
= 33.3k
,
T
A
= 0°C to +85°C
, unless otherwise noted.)
M
_______________________________________________________________________________________
3
DH = DL = 2.5V
V
DD
= 4.5V
BST - LX = 4.5V
LG = GND (low)
LG = REF (mid)
LG = V
CC
(high)
100mV overdrive
R
FREQ
= 20k
With respect to V
REF
,
FB going low
Minimum
Maximum
MAX1625, CSH = CSL = 1.1V
FB = 1.1V
D0–D4 = 0V, 5V
D0–D4; V
CC
= 4.5V
MAX1624, CSH = CSL = 1.3V,
D0–D3 = 5V, D4 = 0V
D0–D4; V
CC
= 5.5V
CONDITIONS
-2.75
-3
1.25
1
-2
-1.25
-1
2.75
3
ns
0
30
DH, DL Dead Time
A
2
DH, DL Source/Sink Current
0.7
2
DH On-Resistance
DL On-Resistance
0.7
2
%
μA
100
CC2 Source/Sink Current
4
V
CC
V
2.4
3.0
mmho
1
k
10
CC1 Output Resistance
CC2 Transconductance
μA
±0.1
50
3.3
3.7
0.2
%
85
90
Maximum Duty Cycle
LG Input Voltage
μA
50
CSH, CSL Input Current
μA
4
LG Input Current
μA
±1
D0–D4 Input Current
V
2.0
Logic Input Voltage High
V
CC
- 0.2
V
0.8
Logic Input Voltage Low
UNITS
MIN
TYP
MAX
PARAMETER
FB Input Current
CC2 Clamp Voltage
PDRV Trip Level
PDRV, NDRV Response Time
PDRV, NDRV On-Resistance
PDRV, NDRV Source/Sink Current
PDRV, NDRV Minimum On-Time
Current-Limit Trip Voltage
Soft-Start Time
BST Leakage Current
FB overdrive = 5%
V
DD
= 4.5V
PDRV = NDRV = 2.5V
ns
A
ns
mV
75
2
0.5
100
100
1536
5
85
115
To full current limit
BST = 12V, LX = 7V, REF = GND
1 / f
OSC
μA
50
V
High-S peed S tep-Down Controllers with
S ync hronous Rec tific ation for CPU Power
NDRV Trip Level
With respect to V
REF
,
FB going high
2
%
T
A
= +25°C
T
A
= 0°C to +85°C
T
A
= +25°C
T
A
= 0°C to +85°C
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1625ESE | High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power |
| MAX1624-MAX1625 | High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power |
| MAX1624EAG | High-Speed Step-Down Controllers with Synchronous Rectification for CPU Power |
| MAX1626ESA | 5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers |
| MAX1627ESA | 5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1624EAG | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1624EAG+ | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1624EAG+T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1624EAG-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1624EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1624 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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