参数资料
型号: MAX17480GTL+T
厂商: Maxim Integrated Products
文件页数: 4/48页
文件大小: 0K
描述: IC CTRLR SERIAL VID 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 处理器
电流 - 电源: 5mA
电源电压: 4.5 V ~ 5.5 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 = SHDN = PGD_IN = 5V, V DDIO = 1.8V, OPTION = GNDS_ = AGND = PGND,
FBDC_ = FBAC_ = OUT3 = CSP_ = CSN_ = 1.2V, all DAC codes set to the 1.2V code, T A = 0°C to +85°C , unless otherwise noted.
Typical values are at T A = +25 ° C.)
PARAMETER
Combined-Mode Detection
Threshold
Maximum Duty Factor
SYMBOL
D MAX
CONDITIONS
GNDS1, GNDS2, detection after REFOK,
latched, cleared by cycling SHDN
MIN
0.7
90
TYP
0.8
92
MAX
0.9
UNITS
V
%
Minimum On-Time
t ONMIN
150
ns
SMPS1 AND SMPS2 CURRENT LIMIT
Current-Limit Threshold
Tolerance
Zero-Crossing Threshold
Idle Mode ? Threshold
CS_ Input Leakage Current
CS_ Common-Mode Input Range
V LIMIT
V ZX
V IMIN
V CSP _ - V CSN _ = 0.052 x (V REF - V ILIM ),
(V REF - V ILM ) = 0.2V to 1.0V
V GND _ - V LX _, skip mode
V CSP _ - V CSN _, skip mode, 0.15 x V LIMIT
CSP_ and CSN_, T A = +25°C
CSP_ and CSN_
-3
-2
-0.2
0
1
+3
+2
+0.2
2
mV
mV
mV
μA
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 _ = 0 to +40mV
I FBAC _/G m(FBAC _ )
1.94
-1.5
2.00
2.06
+1.5
mS
mV
No-Load Positive Offset
OPTION = 2V or GND
+12.5
mV
Measured at FBDC_ with respect to
Transient Detection Threshold
steady-state FBDC_ regulation voltage,
-47
-41
-33
mV
10mV hysteresis (typ)
SMPS3 INTERNAL 4A STEP-DOWN CONVERTER
OUT3 Load Regulation
OUT3 Line Regulation
R DROOP3
0 to 100% duty cycle
4
5.5
5
7
mV/A
mV
OUT3 Input Current
I OUT3
T A = +25°C
-100
-5
+100
nA
LX3 Leakage Current
Internal MOSFET On-Resistance
I LX3
R ON(NH3)
R ON(NL3)
SHDN = GND, V LX3 = GND or 5.5V,
V IN3 = 5.5V, T A = +25°C
High-side n-channel
Low-side n-channel
-20
75
40
+20
150
75
μA
m
LX3 Peak Current Limit
I LX3PK
ILIM3 = V CC
ILIM3 = GND
4.75
3.75
5.25
4.25
6
5
A
LX3 Idle-Mode Trip Level
LX3 Zero-Crossing Trip Level
Maximum Duty Factor
Minimum On-Time
I LX3MIN
I ZX3
D MAX
t ONMIN
Percentage of I LX3PK
Skip mode
84
25
20
87
150
%
mA
%
ns
Idle Mode is a trademark of Maxim Integrated Products, Inc.
4
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