参数资料
型号: MAX17101ETJ+T
厂商: Maxim Integrated Products
文件页数: 8/31页
文件大小: 0K
描述: IC REG CTRLR DIV PWM CM 32TQFNEP
标准包装: 2,500
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: 带卷 (TR)
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 = -40°C to +85°C , unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LINEAR REGULATOR (LDO)
LDO Output-Voltage Accuracy
V LDO
V IN = 24V, LDOSEL = BYP = GND,
0 < I LDO < 100mA
V IN = 24V, LDOSEL = V CC , BYP = GND,
0 < I LDO < 100mA
4.85
3.20
5.15
3.40
V
LDOSEL low
0.25
LDOSEL Dual Mode
Voltage Level
LDOSEL high
V CC -
0.9V
V
LDO Short-Circuit Current
I ILIM(LDO)
LDO = GND
260
mA
LDO Regulation Reduction/
Bypass Switchover Threshold
Falling edge of BYP
-12
-5
%
V CC Undervoltage-Lockout
Threshold
V UVLO(VCC)
Falling edge of V CC ,
PWM disabled below this threshold
3.8
4.3
V
3.3V ALWAYS-ON LINEAR REGULATOR (RTC)
RTC Output-Voltage Accuracy
RTC Short-Circuit Current
V RTC
I ILIM(RTC)
ON1 = ON2 = GND, V IN = 6V to 24V,
0 < I RTC < 5mA
ON1 = ON2 = ONLDO = GND,
V IN = 6V to 24V, 0 < I RTC < 5mA
RTC = GND
3.18
3.16
5
3.45
3.50
V
mA
REFERENCE (REF)
Reference Voltage
Reference Load-Regulation Error
V REF
V REF
V CC = 4.5V to 5.5V, I REF = 0
I REF = -20μA to +50 μA
1.975
-10
2.025
+10
V
mV
OUT1 FAULT DETECTION
OUT1 Overvoltage Trip Threshold V OVP(OUT1) With respect to error-comparator threshold
10
20
%
OUT1 Undervoltage-Protection
Trip Threshold
PGOOD1 Lower Trip Threshold
PGOOD1 Output-Low Voltage
V UVP(OUT1) With respect to error-comparator threshold
With respect to error-comparator threshold,
falling edge, hysteresis = 1%
V FB1 = 0.56V (PGOOD1 low impedance),
I SINK = 4mA
60
-20
80
-10
0.4
%
%
V
OUT2 FAULT DETECTION
OUT2 Overvoltage Trip Threshold V OVP(OUT2) With respect to error-comparator threshold
10
20
%
8
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