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参数资料
| 型号： | MAX1544ETL+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/42页 |
| 文件大小： | 0K |
| 描述： | IC QUICK-PWM DUAL-PHASE 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 系列： | Quick-PWM™ |
| 应用： | 控制器，AMD Hammer |
| 输入电压： | 2 V ~ 28 V |
| 输出数： | 1 |
| 输出电压： | 0.68 V ~ 1.55 V |
| 工作温度： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 管件 |
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Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V CC = V DD = V SHDN = V TON = V SKIP = V S0 = V S1 = V OVP = 5V, V FB = V CMP = V CMN = V CSP = V CSN =
1.3V, OFS = SUS = GNDS = D0 – D4 = GND; T A = -40 ° C to +100 ° C , unless otherwise specified.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
BIAS AND REFERENCE
Quiescent Supply Current (V CC )
Quiescent Supply Current (V DD )
Quiescent Battery Supply Current
(V+)
Shutdown Supply Current (V CC )
Shutdown Supply Current (V DD )
Shutdown Battery Supply Current
(V+)
I CC
I DD
I V+
Measured at V CC , FB forced above the
regulation point, OAIN- = FB, V OAIN+ = 1.3V
Measured at V DD , FB forced above the
regulation point
Measured at V+
Measured at V CC , SHDN = GND
Measured at V DD , SHDN = GND
Measured at V+, SHDN = GND,
V CC = V DD = 0 or 5V
3.2
20
50
20
20
20
mA
μA
μA
μA
μA
μA
Reference Voltage
V REF
V CC = 4.5V to 5.5V, I REF = 0
1.985
2.015
V
FAULT PROTECTION
Output Overvoltage Protection
Threshold
Output Undervoltage Protection
Threshold
V OVP
V UVP
SKIP = V CC , measured at FB with respect
to unloaded output voltage
Measured at FB with respect to unloaded
output voltage
13
67
19
73
%
%
VROK Threshold
Measured at FB
with respect to
unloaded output
voltage
Lower threshold
(undervoltage)
Upper threshold
(overvoltage)
SKIP = V CC
-13
+7
-7
+13
%
Measured from the time when FB first
VROK Startup Delay
reaches the voltage set by the DAC code
3
ms
after startup
V CC Undervoltage Lockout
Threshold
V UVLO(VCC)
Rising edge, hysteresis = 90mV, PWM
disabled below this level
3.90
4.45
V
CURRENT LIMIT AND BALANCE
Current-Limit Threshold Voltage
(Positive, Default)
V LIMIT
CMP - CMN, CSP - CSN; ILIM = V CC
27
33
mV
Current-Limit Threshold Voltage
(Positive, Adjustable)
V LIMIT
CMP - CMN,
CSP - CSN
V ILIM = 0.2V
V ILIM = 1.5V
7
72
13
78
mV
Current-Limit Threshold Voltage
(Negative)
V LIMIT(NEG)
CMP - CMN, CSP - CSN; ILIM = V CC ,
SKIP = V CC
-30
-42
mV
(V CMP - V CMN ) - (V CSP - V CSN ); I CCI = 0,
Current-Balance Offset
V OS(IBAL)
-20mV < (V CMP - V CMN ) < 20mV,
-3
+3
mV
1.0V < V CCI < 2.0V
GATE DRIVERS
DH_ Gate-Driver On-Resistance
R ON(DH)
BST_ - LX_ forced to 5V
4.5
?
_______________________________________________________________________________________
7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1544ETL+ | 功能描述:电压模式 PWM 控制器 Dual-Phase Quick-PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1544ETL+T | 功能描述:电压模式 PWM 控制器 Dual-Phase Quick-PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1544ETL+TG075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1544ETL-T | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX1544EVKIT | 制造商:Maxim Integrated Products 功能描述:DUAL-PHASE, QUICK-PWM CONTROLLER FOR AMD HAMM - Bulk |
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