参数资料
型号: MAX8810AETM+T
厂商: Maxim Integrated Products
文件页数: 8/50页
文件大小: 0K
描述: IC CNTRLR PWM W/MOSFET 48TQFN
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,Intel VR10、VR11
输入电压: 4.5 V ~ 5.5 V
输出数: 1
输出电压: 0.5 V ~ 1.6 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(6x6)
包装: 带卷 (TR)
VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM
Controllers with Integrated Dual MOSFET Drivers
ELECTRICAL CHARACTERISTICS (continued)
(V VL_ = V BST_ = 6.5V, V CC = V EN = 5V, V ILIM = 1.5V, VID_ = SEL = REF = BUF = unconnected, V COMP = V RS+ = 1.0V, R VRREADY =
5k Ω pullup to 5V, R SS/OVP = 12k Ω = R NTC = 10k Ω to GND, f SW = 300kHz, R VRTSET = 50k Ω to GND, V CS_+ = V CS_- = 1V, PWM_ =
unconnected, R VRHOT = 249 Ω pullup to 1.05V, V GND = V PGND_ = V LX_ = V RS- = 0V, DL_ = DH_ = unconnected, T A = -40 ° C to
+85 ° C .) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT-SENSE AMPLIFIERS
Current-Sense Amplifier Gain (G CA )
CS_+ Input Bias Current
CS_- Input Bias Current
R NTC = 10k Ω
V CS _+ = V CS _- = 2V
V CS _+ = V CS _- = 2V
27
33
4.5
7
V/V
μA
μA
GAIN TEMPERATURE COMPENSATION (NTC)
Temperature Compensation Accuracy
R NTC temperature = 0 ° C to +125 ° C
(10k NTC Panasonic ERTJ1VR103)
-7.5
+7.5
%
VRHOT TEMPERATURE MONITORING
VRHOT Output Low Voltage
VRHOT Output High Leakage Current
VRTSET Temperature Range
4mA sink current
V VRHOT = 5.5V
+60
0.4
5
+125
V
μA
° C
VRTSET Accuracy
R NTC temperature = +60 ° C to +125 ° C (10k NTC
Panasonic ERTJ1VR103)
-5
+5
° C
PWM DRIVER
Output Low Level
Output High Level
PWM Disable Program Threshold
I PWM_ = +5mA
I PWM_ = -5mA
4V < V CC < 5.5V
4.5
3
0.4
V
V
V
GATE-DRIVER SPECIFICATIONS
VL_, BST_ to LX_ Input Voltage Range
LX_ Operating Range
4.5
6.5
26
V
V
VL_ UVLO Threshold (MAX8809A,
VL12; MAX8810A, VL1)
Driver Static Supply Current,
I VL_ (per Channel)
Boost Static Supply Current,
I BST_ (per Channel)
DH_ Driver Resistance
DL_ Driver Resistance
V VL_ rising, 250mV hysteresis (typ)
DH_ = BST_
DH_ = LX_
DH_ = BST_
Sourcing current, V VL _ = 6.5V
Sinking current, V VL _ = 6.5V
Sourcing current, V VL _ = 6.5V
Sinking current, V VL _ = 6.5V
3.25
3.80
1.6
1.8
1
2.0
1.2
1.7
0.6
V
mA
mA
Ω
Ω
Note 1: V DAC refers to the internal voltage set by the VID code.
Note 2: Specifications to -40 ° C are guaranteed by design and characterization.
8
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