参数资料
型号: MAX17409GTI+T
厂商: Maxim Integrated Products
文件页数: 6/32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
FAULT PROTECTION
Skip mode after output reaches the
Output Overvoltage-Protection
Threshold
V OVP
regulation voltage or PWM mode;
measured at FB with respect to unloaded
output voltage
Soft-start, soft-shutdown, skip mode, and
output have not reached the regulation
250
1.45
350
1.55
mV
V
voltage, measured at FB
Output Undervoltage-Protection
Threshold
PWRGD Startup Delay
V UVP
Measured at FB with respect to unloaded
output voltage
Measured at startup from the time when
SHDN goes high
Measured at FB
Lower threshold, falling
with respect to
edge (undervoltage)
-450
3
-350
-350
8
-250
mV
ms
mV
PWRGD Threshold
unloaded output
PWRGD Output Low Voltage
voltage; 15mV
hysteresis (typ)
I SINK = 3mA
Upper threshold, rising
edge (overvoltage)
+150
+250
0.4
mV
V
V CC Undervoltage-Lockout
Threshold
V UVLO(VCC)
Rising edge, 50mV typical hysteresis,
controller disabled below this level
4.0
4.5
V
THERMAL COMPARATOR AND PROTECTION
VRHOT Trip Threshold
VRHOT Output On-Resistance
R VRHOT
Measured at THRM with respect to V CC ;
falling edge; typical hysteresis = 100mV
Low state
29.2
30.8
8
%
VALLEY CURRENT LIMIT AND DROOP
Current-Limit Threshold Voltage
(Positive Adjustable)
V LIMIT
V CSP - V CSN
V REF - V ILIM = 100mV
V REF - V ILIM = 500mV
7
45
13
55
mV
Current-Limit Threshold Voltage
(Positive Default)
Current-Limit Threshold Voltage
(Negative) Accuracy
CSP, CSN Common-Mode
Input Range
Droop Amplifier GMD) Offset
Droop Amplifier (GMD)
Transconductance
ILIM = V CC , V CSP - V CSN
V LIMIT(NEG) V CSP - V CSN , nominally -125% of V LIMIT
(V CSP - V CSN ) at I FB = 0
I FB / (V CSP - V CSN );
FB = CSN = 0.45V to 2.0V,
and (V CSP - V CSN ) = -15.0mV to +15.0mV
20
-5
0
-1.0
588
25
+5
1.9
+1.0
612
mV
mV
V
mV
μS
6
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