参数资料
型号: MAX17083ETG+T
厂商: Maxim Integrated Products
文件页数: 3/15页
文件大小: 0K
描述: IC REG BUCK ADJ 5A 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.75 V ~ 2.7 V
输入电压: 2.4 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 500kHz
电流 - 输出: 5A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 24-TQFN-EP(4x4)
Low-Voltage, Internal Switch,
Step-Down Regulator
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = V FREQ = V CC = V EN = 5V, I REF = no load, T A = 0°C to +85°C , unless otherwise noted. Typical values are at
T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FB Load Regulation
SET = GND
-4
mV/A
FB Line Regulation
(Slope Compensation)
FB Input Current
Internal MOSFET On-Resistance
(Note 3)
V FB
I FB
SET = GND, 0 to 100% duty cycle,
V CC = 4.5V to 5.5V
SET = GND, T A = +25°C
High-side n-channel R DH
Low-side n-channel R DL
10
-100
15
-5
32
17
20
+100
50
30
mV
nA
m
Internal BST On-Resistance
2
LX Peak Current Limit
LX Idle Mode ? Trip Level
LX Zero-Crossing Trip Level
Soft-Start Ramp Time
Soft-Start Fault Blanking Time
T SS
T SSLT
5
6
1.5
100
1939/
f SW
3232/
f SW
8
A
A
mA
ms
ms
POK Upper Trip Threshold and
Overvoltage Fault Threshold
POK Lower Trip Threshold
POK Propagation Delay Time
t POK
Rising edge, 50mV hysteresis
Falling edge, 50mV hysteresis
FB forced 50mV beyond POK trip threshold
9
-14
12
-12
5
14
-9
%
%
μs
Overvoltage Fault Latch
Delay Time
Undervoltage Fault Latch
Delay Time
POK Output Low Voltage
FB forced 50mV above POK upper trip
threshold
FB forced 50mV below POK lower trip
threshold, TUV
I SINK = 3mA
5
1534/
f SW
0.4
μs
ms
V
POK Leakage Current
Thermal-Shutdown Threshold
I POK
T SHDN
SET = GND, FB = 1V (POK high impedance),
POK forced to 5.5V, T A = +25°C
Hysteresis = 15 ° C
+160
1
μA
°C
LOGIC INPUTS
EN Input High Threshold
EN Input Bias Current
Rising, hysteresis = 220mV (typ)
T A = +25°C
1.0
1.4
0.1
1.6
1
V
μA
V CC
V CC -
0.5
FREQ and SET Input Voltage
Levels
Open
REF
3
1.2
3.2
2.2
V
GND
0.5
FREQ and SET Input Bias
Currents
T A = +25°C
-2
+0.1
+2
μA
Idle Mode is a trademark of Maxim Integrated Products, Inc.
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