参数资料
型号: MAX17080GTL+T
厂商: Maxim Integrated Products
文件页数: 8/48页
文件大小: 0K
描述: IC CONTROLLER AMD SVI 40-TQFN
标准包装: 2,500
应用: 控制器,AMD SVI
输入电压: 2.7 V ~ 5.5 V
输出数: 3
输出电压: 0.013 V ~ 1.55 V
工作温度: -40°C ~ 105°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(5x5)
包装: 带卷 (TR)
AMD 2-/3-Output Mobile Serial
VID Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 2, V IN = 12V, V CC = V DD = V IN3 = V SHDN = V PGD_IN = 5V, V DDIO = 1.8V, V OPTION = V GNDS_ = V AGND = V PGND ,
V FBDC_ = V FBAC_ = V OUT3 = V CSP_ = V CSN _ = 1.2V, all DAC codes set to the 1.2V code, T A = -40°C to +105°C , unless otherwise
noted. Typical values are at T A = +25 ° C.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
R OSC = 143k (f OSC1 = f OSC2 = 300kHz
nominal, f OSC3 = 600kHz nominal)
-7.5
+7.5
Switching Frequency Accuracy
f OSC1,
f OSC2,
f OSC3
R OSC = 71.4k (f OSC1 = f OSC2 = 600kHz
nominal, f OSC3 = 1.2MHz nominal) to
432k (f OSC1 = f OSC2 = 99kHz nominal,
-10
+10
%
f OSC3 = 199kHz nominal)
SMPS1 AND SMPS2 CONTROLLERS
GNDS_ Input Range
V GNDS_
Separate mode
-200
+200
mV
Separate: V OUT _/ V GNDS _ , -200mV
GNDS_ Gain
A GNDS_
V GNDS _
+200mV ; combined;
0.95
1.05
V/V
V OUT / V GNDS_, -200mV V GNDS_ +200mV
Combined-Mode Detection
Threshold
GNDS1, GNDS2, detection after REFOK,
latched, cleared by cycling SHDN
0.7
0.9
V
Maximum Duty Factor
Minimum On-Time
D MAX
t ONMIN
90
150
%
ns
SMPS1 AND SMPS2 CURRENT LIMIT
Current-Limit Threshold
Tolerance
Idle-Mode Threshold Tolerance
CS_ Common-Mode Input Range
V LIMIT
V IMIN
V CSP _ - V CSN _ = 0.052 x (V REF - V ILIM ),
(V REF - V ILM ) = 0.2V to 1.0V
V CSP _ - V CSN _, skip mode, 0.15 x V LIMIT
CSP_ and CSN_
-3
-2
0
+3
+2
2
mV
mV
V
SMPS1 AND SMPS2 DROOP, CURRENT BALANCE, AND TRANSIENT RESPONSE
AC Droop and Current Balance
Amplifier Transconductance
AC Droop and Current Balance
Amplifier Offset
G m(FBAC _ )
I FBAC _/( V CS _), V FBAC _ = V CSN _ = 1.2V,
V CSP _ - V CSN _ = 0mV to +40mV
I FBAC _/G m(FBAC _ )
1.94
-1.5
2.06
+2.0
mS
mV
Measured at FBDC_ with respect to
Transient Detection Threshold
steady-state FBDC_ regulation voltage,
-47
-28
mV
5mV hysteresis (typ)
SMPS3 INTERNAL 3A STEP-DOWN CONVERTER
OUT3 Load Regulation
Internal MOSFET On-Resistance
R DROOP3
R ON(NH3)
R ON(NL3)
High-side n-channel
Low-side n-channel
4.5
8.5
200
100
mV/A
m
LX3 Peak Current Limit
I LX3PK
ILIM3 = V CC, skip mode
3.5
4.5
A
Maximum Duty Factor
Minimum On-Time
D MAX
t ONMIN
84
150
%
ns
8
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