参数资料
型号: MAX1937EEI+
厂商: Maxim Integrated Products
文件页数: 4/24页
文件大小: 0K
描述: IC REG CTRLR PWM HYBRID 28-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 混合物
输出数: 1
频率 - 最大: 500kHz
占空比: 50%
电源电压: 6 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 85°C
封装/外壳: 28-QSOP
包装: 管件
Two-Phase Desktop CPU Core Supply
Controllers with Controlled VID Change
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 12V, V EN = V VDD = 5V, PGND = GNDS = GND = 0, VID_ = GND, C VPOS = 47pF, C REF = 0.1μF, V ILIM = 1V, T A = 0°C to
+85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
DH_ On-Resistance in Low State
CONDITIONS
V BST1 = V BST2 = 6V, LX1 = LX2 = GND
MIN
TYP
1.5
MAX
3.0
UNITS
Ω
DH_ On-Resistance in High State V BST_ = 6V, LX_ = GND
DL_ On-Resistance in Low State
DL_ On-Resistance in High State
1.5
0.5
1.5
3.0
1.7
3.0
Ω
Ω
Ω
BST_ Leakage Current
LX_ Leakage Current
V BST_ = 30V, V LX_ = 24V
V BST_ = 30V, V LX_ = 24V
50
50
μA
μA
EN AND VID
Low Level Threshold
High Level Threshold
1.6
0.8
V
V
Pullup Resistance
Internally pulled up to V DD
50
100
200
k Ω
PWRGD
PWRGD Upper Trip Level
PWRGD Lower Trip Level
Output Low Level
Output High Leakage
10.0
-15
12.5
-12.5
15.0
-10
0.4
1
%
%
V
μA
CONTROLLED VID CHANGE
On-the-Fly VID Change Slew
Rate
25mV per step
R TIME = 120k Ω
R TIME = 47k Ω
R TIME = 470k Ω
6.17
2.35
23.5
6.67
2.63
26.3
7.25
2.99
29.9
μs
VID_ Change Frequency Range
38
380
kHz
PWRGD Blanking Time
V VDD = 4.5V to 5.5V
125
200
350
μs
4
_______________________________________________________________________________________
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