参数资料
型号: MAX17480EVKIT+
厂商: Maxim Integrated Products
文件页数: 9/48页
文件大小: 0K
描述: EVALUATION KIT FOR MAX17480
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 3,非隔离
输入电压: 4 ~ 26 V
稳压器拓扑结构: 降压
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX17480
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 = -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
FAULT DETECTION
PWM mode
250
350
mV
Output Overvoltage Trip
Threshold
(SMPS1 and SMPS2 Only)
V OVP_
Measured at
FBDC_, rising edge
Skip mode and
output have not
reached the
1.80
1.90
V
regulation voltage
Output Undervoltage Protection
Trip Threshold
V UVP
Measured at FBDC_ or OUT3 with respect
to unloaded output voltage
-450
-350
mV
PWRGD Threshold
Measured at FBDC_
or OUT3 with respect
to unloaded output
Lower threshold,
falling edge
(undervoltage)
-350
-250
mV
voltage, 15mV
Upper threshold,
hysteresis (typ)
rising edge
+150
+250
(overvoltage)
PWRGD, Output Low Voltage
I SINK = 4mA
0.4
V
VRHOT Trip Threshold
VRHOT , Output Low Voltage
Measured at THRM, with respect to V CC,
falling edge, 115mV hysteresis (typ)
I SINK = 4mA
29.5
30.5
0.4
%
V
GATE DRIVERS
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
R ON(DH _ )
R ON(DL _ )
BST_ - LX_ forced to
5V (Note 4)
DL_, high state
DL_, low state
High state (pullup)
Low state (pulldown)
2.5
2.5
2.0
0.6
Dead Time
t DH _ DL
t DL _ DH
DH_ low to DL_ high
DL_ low to DH_ high
9
9
35
35
ns
Internal BST1, BST2 Switch R ON
Internal BST3 Switch R ON
2-WIRE I 2 C BUS LOGIC INTERFACE
BST1, BST2 to V DD , I BST1 = I BST2 = 10mA
BST3 to V DD , I BST3 = 10mA
20
20
SVI Logic-Input Threshold
SVC, SVD, rising edge, hysteresis = 0.14 x
V DDIO (V)
0.3 x
V DDIO
0.7 x
V DDIO
V
SVC Clock Frequency
START Condition Hold Time
Repeated START Condition
Setup Time
STOP Condition Setup Time
f SVC
t SU;STA
t SU;STA
t SU;STO
160
160
160
3.4
MHz
ns
ns
ns
A master device must internally provide a
Data Hold
t HD;DAT
hold time of at least 300ns for the SVD signal
(referred to the V IHMIN of SVC signal) to bridge
70
ns
the undefined region of SVC’s falling edge
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