参数资料
型号: MAX8810AETM+
厂商: Maxim Integrated Products
文件页数: 6/50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: 50
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: 管件
VRD11/VRD10, K8 Rev F 2/3/4-Phase PWM
Controllers with Integrated Dual MOSFET Drivers
ELECTRICAL CHARACTERISTICS
(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
V CC Operating Range
V CC UVLO Trip Level
Rising
Falling
CONDITIONS
MIN
4.5
4.0
3.7
TYP
MAX
5.5
4.5
4.3
UNITS
V
V
INTERNAL REFERENCE (REF)
Output Voltage
Output Regulation (Sourcing)
Output Regulation (Sinking)
I REF = -100μA
V CC = 4.5V at I REF = -500μA to V CC = 5.5V at
I REF = -100μA
V CC = 4.5V at I REF = +100μA to V CC = 5.5V at
I REF = +500μA
1.99
-0.065
-0.2
2.01
+0.065
+0.2
V
%
%
BUF REFERENCE
BUF Regulation Voltage
BUF Output Regulation
I BUF = 0A
V CC = 4.5V at I BUF = +100μA to V CC = 5.5V at
I REF = +500μA
0.99
-0.4
1.01
+0.4
V
%
SOFT-START
EN Startup Delay (TD1)
Soft-Start Period Range (TD2)
Soft-Start Tolerance
Intel Boot Level Duration (TD3)
From EN rising to V OUT rising
12k Ω < R SS/OVP < 90.9k Ω
R SS/OVP = 56k Ω
SEL = GND or SEL = V CC
1.6
0.5
2.25
175
2.8
6.5
3.75
350
ms
ms
ms
μs
VOLTAGE REGULATION
RS+ Input Bias Current
RS- Input Bias Current
V RS+ = 1.0V
V RS- = 0.2V
1
1
μA
μA
Output-Voltage Initial Accuracy
g MV Amplifier Transconductance
V DAC_ = 1V (Note 1)
-0.35
1.91
+0.35
2.06
%
mS
CURRENT LIMIT
Average Current-Limit Trip-Level
Accuracy
ILIM Input Bias Current
ILIM Default Program Level
V ILIM = 1.5V
V ILIM > V CC - 0.2V
-11
1.197
+11
1
1.463
%
μA
V
ENABLE INPUT (EN)
Turn-On Threshold (Rising)
V CC = 4.5V to 5.5V, 100mV typ hysteresis
0.8
0.9
V
LOGIC INPUTS (VID0–VID7)
INTEL (SEL = HIGH OR LOW)
Input Low Level
Input High Level
V CC = 4.5V to 5.5V
V CC = 4.5V to 5.5V
0.8
0.4
V
V
Input Pulldown Resistance
100
270
k Ω
6
_______________________________________________________________________________________
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