参数资料
型号: MAX17409GTI+T
厂商: Maxim Integrated Products
文件页数: 7/32页
文件大小: 0K
描述: IC CTRLR NVIDIA CPU 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: Quick-PWM™
应用: 处理器
电流 - 电源: 1.5mA
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: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 带卷 (TR)
1-Phase Quick-PWM GPU Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 12V, V DD = V CC = 5V, SHDN = ILIM = V CC , SKIP = GNDS = PGND = GND, V FB = V CSP = V CSN = 1.05V;
G5–G0 set for 1.05V (G0–G5 = 100110); T A = -40 ° C to +105 ° C , unless otherwise specified.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GATE DRIVERS
DH Gate-Driver On-Resistance
R ON(DH)
BST - LX forced
to 5V
High state (pullup)
Low state (pulldown)
2.5
2.0
DL Gate-Driver On-Resistance
Internal BST Switch
On-Resistance
R ON(DL)
R BST
High state (pullup)
Low state (pulldown)
I BST = 10mA, V DD = 5V
2.0
0.7
20
CURRENT MONITOR
Current-Monitor Transconductance
Current-Monitor Offset Referred
to V(CSP,CSN)
IMON Clamp Voltage
G m(IMON)
V IMON
I IMON / (V CSP - V CSN ) V CSN = 0.5V to 1.0V
I IMON = 0
I IMON = -1.0mA
4.9
-1.0
1.05
5.1
+1.0
1.15
mS
mV
V
LOGIC AND I/O
Logic-Input High Voltage
Logic-Input Low Voltage
Low-Voltage Logic-Input
High Voltage
Low-Voltage Logic-Input
Low Voltage
V IH
V IL
V IHLV
V ILLV
SHDN , SKIP
SHDN , SKIP
G0 –G5
G0 –G5
2.3
0.67
1.0
0.33
V
V
V
V
Note 3: Limits are 100% production tested at T A = +25°C. Maximum and minimum limits over temperature are guaranteed by design
and characterization.
Note 4: The equation for the target voltage V TARGET is:
V TARGET = the slew-rate-controlled version of V DAC , where V DAC = 0 for shutdown, V DAC = V VID otherwise (the V VID volt-
ages for all possible VID codes are given in Table 4).
In pulse-skipping mode, the output rises by approximately 1.5% when transitioning from continuous conduction to no load.
Note 5: On-time and minimum off-time specifications are measured from 50% to 50% at the DH pin, with LX forced to 0V, BST forced
to 5V, and a 500pF capacitor from DH to LX to simulate external MOSFET gate capacitance. Actual in-circuit times might be
different due to MOSFET switching speeds.
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7
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