参数资料
型号: MAX8550AETI+T
厂商: Maxim Integrated Products
文件页数: 4/29页
文件大小: 0K
描述: IC PWR SUP DDR INTEG 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,DDR
输入电压: 2 V ~ 28 V
输出数: 2
输出电压: 1.8V,2.5V,0.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Integrated DDR Power-Supply Solution for
Desktops, Notebooks, and Graphic Cards
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +15V, V DD = AV DD = V SHDN = STBY = V BST = V ILIM = 5V, V OUT = V REFIN = V VTTI = 2.5V, UVP/OVP = TP0 = FB = SKIP
= GND, PGND1 = PGND2 = LX = GND, TON = OPEN, V VTTS = V VTT , T A = -40°C to +85°C, unless otherwise noted. Typical values
are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MOSFET DRIVERS
DH Gate-Driver On-Resistance
DL Gate-Driver On-Resistance in
High State
DL Gate-Driver On-Resistance in
Low State
Dead Time (Additional to
Adaptive Delay)
V BST - V LX = 5V
DH falling to DL rising
DL falling to DH rising
1
1
0.5
30
30
4
4
3
Ω
Ω
Ω
ns
INPUTS AND OUTPUTS
Logic Input Threshold
Rising edge
1.20
1.7
2.20
V
( SHDN , STBY , SKIP )
Logic Input Current
( SHDN , STBY , SKIP )
Hysteresis
-1
225
+1
mV
μA
Dual-Mode? Input Logic
Levels (FB)
Input Bias Current (FB)
Low (2.5V output)
High (1.8V output)
2.1
-0.1
0.05
+0.1
V
μA
High
AV DD -
0.4
Four-Level Input Logic Levels
(TON, OVP/UVP)
Floating
REF
3.15
1.65
3.85
2.35
V
Low
0.5
Logic Input Current
(TON, OVP/UVP)
-3
+3
μA
FB = GND
90
175
350
OUT Input Resistance
OUT Discharge-Mode
On-Resistance
FB = AV DD
FB adjustable mode
70
400
135
800
10
270
1600
25
k Ω
Ω
DL Turn-On Level During
Discharge Mode
0.01
0.1
0.20
V
(Measured at OUT)
Dual Mode is a trademark of Maxim Integrated Products, Inc.
4
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