参数资料
型号: MAX8707ETL+
厂商: Maxim Integrated Products
文件页数: 6/37页
文件大小: 0K
描述: IC CNTRLR MULTIPHASE 40TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: 控制器,AMD Hammer
输入电压: 4.5 V ~ 5.5 V
输出数: 4
输出电压: 0.8 V ~ 1.55 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 管件
Multiphase, Fixed-Frequency Controller for
AMD Hammer CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1. V CC = V SHDN = 5V, OSC = REF, V VPS = V FBS = V CRSN = V CRSP = V CSP_ = 1.20V, V SUSV = 0.8V, OFS = SUS =
GNDS = PGND = SKIP = GND, D0 – D4 set for 1.20V (D0 – D4 = 01110). T A = -40 ° C to +85 ° C , unless otherwise specified.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
PWM CONTROLLER
Input Voltage Range
V CC
4.5
5.5
V
DC Output Voltage Accuracy
V OUT
Includes load-
regulation error
(VPS = FBS)
DAC codes from
1.10V to 1.55V
DAC codes from
0.80V to 1.075V
-1.0
-3.0
+1.0
+3.0
%
SUS = V CC
-25
+25
mV
SUSV Input Range
V SUSV
0.4
2.0
V
OFS Input Range
OFS GAIN
GNDS Input Range
GNDS Gain
V OFS
A OFS
V GNDS
A GNDS
Negative offsets
Positive offsets
? V OUT / ? V OFS ; ? V OFS = V OFS,
V OFS = 0 to 0.8V
? V OUT / ? V OFS ; ? V OFS = V OFS - V REF,
V OFS = 1.2V to 2V
? V OUT / ? V GNDS ,
-200mV ≤ V GNDS ≤ +200mV
0
1.2
-0.131
-0.131
-200
0.95
0.8
2.0
-0.118
-0.118
+200
1.05
V
V/V
mV
V/V
OSC = GND
180
220
Switching Frequency Accuracy
(Per Phase)
f SW
OSC = REF
270
330
kHz
OSC = V CC
R TIME = 143k ? (6.25mV/μs)
540
-10
660
+10
TIME Slew-Rate Accuracy
R TIME = 47k ? (19mV/μs) to 392k ?
(2.28mV/μs)
Startup and shutdown, R TIME = 47k ?
(4.75mV/μs) to 392k ? (0.57mV/μs)
-15
-20
+15
+20
%
BIAS AND REFERENCE
Quiescent Supply Current (V CC )
Shutdown Supply Current (V CC )
I CC
I CC(SHDN)
Measured at V CC , VPS and FBS forced
above the regulation points
Measured at V CC , SHDN = GND
12
10
mA
μA
Reference Voltage
Reference Load Regulation
V REF
? V REF
V CC = 4.5V to 5.5V, I REF = 0
I REF = 0 to 500μA
I REF = -100μA to 0
1.98
-2
2.02
6.2
V
mV
mV
FAULT PROTECTION
Measured at VPS
PWM (SKIP = GND)
Output Overvoltage-Protection
Threshold
V OVP
with respect to
unloaded output
voltage, rising edge,
8mV hysteresis
or SKIP mode when
V OUT ≤ V TRIP
SKIP = V CC and
V OUT > V TRIP
150
1.70
250
1.80
mV
V
6
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