参数资料
型号: MAX1717EEG+
厂商: Maxim Integrated Products
文件页数: 3/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 100%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
包装: 管件
Dynamically Adjustable, Synchronous
Step-Down Controller for Notebook CPUs
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = +15V, V CC = V DD = SKP/ SDN = +5V, V OUT = 1.6V, T A = 0°C to +85°C , unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Load Regulation
REF Sink Current
I REF = 0 to 50μA
REF in regulation
10
0.01
V
μA
FAULT PROTECTION
Overvoltage Trip Threshold
Overvoltage Fault Propagation
Delay
Output Undervoltage Fault
Protection Threshold
Output Undervoltage Fault
Propagation Delay
Output Undervoltage Fault
Blanking Time
Measured at FB
FB forced 2% above trip threshold
With respect to unloaded output voltage
FB forced 2% below trip threshold
From SKP/ SDN signal going high, clock speed set by R TIME
2.20
65
2.25
10
70
10
256
2.30
75
V
μs
%
μs
clks
Current-Limit Threshold
(Positive, Default)
Current-Limit Threshold
(Positive, Adjustable)
Current-Limit Threshold
(Negative)
GND - LX, ILIM = V CC
GND - LX
LX - GND, ILIM = V CC
T A = +25°C to +85°C
T A = 0°C to +85°C
ILIM = 0.5V
ILIM = REF (2V)
90
85
35
165
-140
100
50
200
-110
110
115
65
230
-80
mV
mV
mV
Current-Limit Threshold
(Zero Crossing)
Current-Limit Default
Switchover Threshold
Thermal Shutdown Threshold
GND - LX
Hysteresis = 10°C
3
4
V CC - 1 V CC - 0.4
150
mV
V
°C
V CC Undervoltage Lockout
Threshold
Rising edge, hysteresis = 20mV, PWM disabled below
this level
4.1
4.4
V
VGATE Lower Trip Threshold
VGATE Upper Trip Threshold
Measured at FB with respect to unloaded output voltage,
rising edge, hysteresis = 1%
Measured at FB with respect to unloaded output voltage,
rising edge, hysteresis = 1%
-8
+10
-6.5
+12
-5
+14
%
%
VGATE Propagation Delay
VGATE Transition Delay
VGATE Output Low Voltage
VGATE Leakage Current
FB forced 2% outside VGATE trip threshold
After X = Y, clock speed set by R TIME
I SINK = 1mA
High state, forced to 5.5V
10
1
0.4
1
μs
clk
V
μA
GATE DRIVERS
DH Gate Driver On-Resistance
DL Gate Driver On-Resistance
DH Gate-Driver Source/Sink
Current
DL Gate-Driver Sink Current
BST - LX forced to 5V
DL, high state (pullup)
DL, low state (pulldown)
DH forced to 2.5V, BST - LX forced to 5V
DL forced to 2.5V
1.0
1.0
0.4
1.3
4
3.5
3.5
1.0
Ω
Ω
A
A
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3
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MAX1717EEG-C71058 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1717EEG-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