参数资料
型号: MAX8760ETL+T
厂商: Maxim Integrated Products
文件页数: 4/39页
文件大小: 0K
描述: IC CNTRLR QUICK PWM 40-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: 控制器,6 位 VID AMD 移动式 Turion?
输入电压: 4 V ~ 28 V
输出数: 2
输出电压: 0.38 V ~ 1.55 V
工作温度: 0°C ~ 85°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(6x6)
包装: 带卷 (TR)
Dual-Phase, Quick-PWM Controller for AMD
Mobile Turion 64 CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V CC = V DD = V SHDN = V SKIP = V S0 = V S1 = 5V, V FB = V CMP = V CMN = V CSP = V CSN = 1.3V, OFS =
SUS = GNDS = D0–D5 = GND, T A = 0°C to +85°C , unless otherwise specified. Typical values are at T A = +25°C.)
PARAMETER
Output Undervoltage Fault and
VROK Transition Blanking Time
SYMBOL
t BLANK
CONDITIONS
Measured from the time when FB reaches
the voltage set by the DAC code; clock
speed set by R TIME (Note 4)
MIN
TYP
24
MAX
UNITS
Clks
Measured from the time when FB first
VROK Startup Delay
reaches the voltage set by the DAC code
3
5
7
ms
after startup
VROK Delay
VROK Output Low Voltage
VROK Leakage Current
t VROK
FB forced 2% outside the VROK trip
threshold
I SINK = 3mA
High state, VROK forced to 5.5V
10
0.4
1
μs
V
μA
V CC Undervoltage Lockout
Threshold
Thermal-Shutdown Threshold
V UVLO(VCC)
T SHDN
Rising edge, hysteresis = 90mV, PWM
disabled below this level
Hysteresis = 10°C
4.0
4.25
+160
4.4
V
° C
CURRENT LIMIT AND BALANCE
Current-Limit Threshold Voltage
(Positive, Default)
V LIMIT
CMP - CMN, CSP - CSN; ILIM = V CC
28
30
32
mV
Current-Limit Threshold Voltage
(Positive, Adjustable)
V LIMIT
CMP - CMN, CSP - CSN
V ILIM = 0.2V
V ILIM = 1.5V
8
73
10
75
12
77
mV
Current-Limit Threshold Voltage
(Negative)
Current-Limit Threshold Voltage
(Zero Crossing)
V LIMIT(NEG)
V ZERO
CMP - CMN, CSP - CSN; ILIM = V CC ,
SKIP = V CC
CMP - CMN, CSP - CSN; SKIP = GND
-41
-36
1.5
-31
mV
mV
CMP, CMN, CSP, CSN Input
Ranges
0
2
V
CMP, CMN, CSP, CSN Input
Current
V CSP = V CSN = 0 to 5V
-2
+2
μA
Secondary Driver-Disable
Threshold
ILIM Input Current
Current-Limit Default Switchover
Threshold
V CSP
I ILIM
V ILIM
V ILIM = 0 to 5V
3
3
V CC - 1
0.1
V CC - 1
V CC -
0.4
200
V CC -
0.4
V
nA
V
(V CMP - V CMN ) - (V CSP - V CSN ); I CCI = 0,
Current-Balance Offset
V OS(IBAL)
-20mV < (V CMP - V CMN ) < 20mV,
-2
+2
mV
1.0V < V CCI < 2.0V
4
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