参数资料
型号: MAX8720EEI+T
厂商: Maxim Integrated Products
文件页数: 4/31页
文件大小: 0K
描述: IC CNTRL VID STP DWN 28-QSOP
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,CPU GPU
输入电压: 2 V ~ 28 V
输出数: 1
输出电压: 0.28 V ~ 1.85 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-QSOP
供应商设备封装: 28-QSOP
包装: 带卷 (TR)
Dynamically Adjustable 6-Bit VID
Step-Down Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, SHDN = SKIP = V DD = V CC = +5V, V OUT = 1.25V, 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
Current-Limit Threshold (Fixed)
Current-Limit Threshold
(Adjustable)
V LIMIT
V LIMIT
V PGND - V LX ,
ILIM = V CC
V PGND - V LX
T A = +25 ° C to +85 ° C
T A = 0 ° C to +85 ° C
V ILIM = 2.00V
V ILIM = 0.50V
90
85
165
35
100
200
50
110
115
230
65
mV
mV
Current-Limit Threshold
(Negative)
Current-Limit Threshold (Zero
Crossing)
Current-Limit Default
Switchover Threshold
V NEG
V ZX
V LX - V PGND , SKIP = ILIM = V CC ,
V LX - V PGND , SKIP = V CC , adjustable mode,
percent of current limit
V PGND - V LX , SKIP = GND
-140
3
-117
-117
4
V CC -
1
-90
V CC -
0.4
mV
%
mV
V
ILIM Leakage Current
GATE DRIVERS
0.1
μA
DH Gate-Driver On-Resistance
(Note 3)
DL Gate-Driver On-Resistance
(Note 3)
R DH
R DL
BST-LX forced to 5V
DL, high state
QSOP package
TQFN package
QSOP package
TQFN package
1.0
1.0
1.0
1.0
3.5
4.5
3.5
4.0
?
?
DL, low state
0.4
1.0
DH Gate-Driver Source/Sink
Current
DL Gate-Driver Source Current
DL Gate-Driver Sink Current
Dead Time
I DH
I DL
(SOURCE)
I DL (SINK)
t DEAD
DH forced to 2.5V, BST-LX forced to 5V
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
2
1.6
4
35
26
A
A
A
ns
INPUTS AND OUTPUTS
Logic high
2.4
SHDN Input Level
Logic Input High Voltage
Logic Input Low Voltage
V SHDN
V IH
V IL
Logic low
No-fault mode
D0–D5, SKIP , SUS
D0–D5, SKIP , SUS
12
2.4
0.4
15
0.8
V
V
V
Logic Input Current
D0–D5, SKIP , SUS
-1
+1
μA
High
V CC -
0.2
Four-Level Input Logic
TON, S0, S1
Open
3.15
3.85
V
REF
GND
1.65
2.35
0.5
Input Leakage Current
SHDN , TON, S0, S1 forced to V CC or GND
-3
+3
μA
4
_______________________________________________________________________________________
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