参数资料
型号: MAX17101ETJ+
厂商: Maxim Integrated Products
文件页数: 5/31页
文件大小: 0K
描述: IC REG CTRLR DIV PWM CM 32TQFNEP
标准包装: 60
PWM 型: 电流模式
输出数: 3
频率 - 最大: 500kHz
电源电压: 6 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 85°C
封装/外壳: 32-WFQFN 裸露焊盘
包装: 管件
Dual Quick-PWM, Step-Down Controller
with Low-Power LDO, RTC Regulator
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, no load on LDO, RTC, OUT1, OUT2, and REF, V IN = 12V, V DD = V CC = V SECFB = 5V, V REFIN2 = 1.0V, BYP =
LDOSEL = GND, ONLDO = IN, ON1 = ON2 = V CC , T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUT2 FAULT DETECTION
OUT2 Overvoltage Trip
Threshold
OUT2 Overvoltage
Fault-Propagation Delay
V OVP(OUT2)
t OVP
With respect to error-comparator threshold
Minimum overvoltage threshold
OUT2 forced 50mV above trip threshold
12
16
0.7
10
20
%
V
μs
OUT2 Undervoltage Protection
Trip Threshold
OUT2 Overvoltage
Fault-Propagation Delay
OUT2 Output Undervoltage
Fault-Propagation Delay
PGOOD2 Lower Trip Threshold
PGOOD2 Propagation Delay
PGOOD2 Output-Low Voltage
PGOOD2 Leakage Current
V UVP(OUT2) With respect to error-comparator threshold
t OVP
OUT2 forced 50mV above trip threshold
t UVP
OUT2 forced 50mV below trip threshold
With respect to error-comparator threshold,
falling edge, hysteresis = 2%
OUT2 forced 50mV beyond PGOOD1 trip
t PGOOD2
threshold, falling edge
V OUT2 = V REFIN2 - 150mV (PGOOD2 low
impedance), I SINK = 4mA
OUT2 = REFIN2 (PGOOD2 high impedance),
I PGOOD2
PGOOD2 forced to 5.5V, T A = +25°C
65
-20
70
10
10
-16
10
75
-12
0.3
1
%
μs
μs
%
μs
V
μA
CURRENT LIMIT
ILIM_ Adjustment Range
ILIM_ Current
V ILIM
I ILIM
0.2
5
2.0
V
μA
Valley Current-Limit Threshold
(Adjustable)
V VALLEY
V AGND - V LX _
R ILIM _ = 100k
R ILIM _ = 200k
40
87
50
100
60
113
mV
Current-Limit Threshold
(Negative)
Ultrasonic Current-Limit
Threshold
Current-Limit Threshold
(Zero Crossing)
V NEG
V NEG(US)
V ZX
With respect to valley current-limit threshold,
SKIP = V CC
V OUT1 = V OUT2 = V FB1 = 0.77V, V REFIN2 = 0.70V
V AGND - V LX _, SKIP = GND or OPEN/REF
-120
25
1
%
mV
mV
_______________________________________________________________________________________
5
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