参数资料
型号: MAX17101ETJ+T
厂商: Maxim Integrated Products
文件页数: 3/31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 = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
3.3V preset output: REFIN2 = V CC (5V),
V IN = 12V, SKIP = V CC
3.255
3.30
3.345
OUT2 Output-Voltage Accuracy
(Note 1)
V OUT2
1.05V preset output: REFIN2 = RTC (3.3V),
V IN = 12V, SKIP = V CC
1.038
1.050
1.062
V
Tracking output: V REFIN2 = 1.1V,
V IN = 12V, SKIP = V CC
1.09
1.10
1.11
OUT2 Voltage-Adjust Range
REFIN2 Voltage-Adjust Range
0.8
0
2.0
2
V
V
REFIN2 Input Bias Current
REFIN2 Dual Mode Threshold
Voltage Levels
I REFIN2
V REFIN2 = 2.2V, T A = +25°C
V REFIN2 = 0V, T A = +25°C
Low (REFIN2 = RTC)
High (REFIN2 = V CC )
-0.1
-0.5
2.2
V CC -
1.0V
+0.1
+0.1
3.0
V CC -
0.4V
μA
V
Either SMPS, SKIP = V CC , I LOAD = 0 to 5A
-0.1
Load Regulation Error
Line Regulation Error
Either SMPS, SKIP = REF, I LOAD = 0 to 5A
Either SMPS, SKIP = GND, I LOAD = 0 to 5A
Either SMPS, V IN = 6V to 24V
-1.7
-1.5
0.005
%
%/V
DH1 On-Time
t ON1
V IN = 12V,
V OUT1 = 5.0V
TON = GND or REF
(400kHz)
895
1052
1209
ns
(Note 2)
V IN = 12V,
TON = V CC (200kHz)
TON = GND (500kHz)
2105
555
DH2 On-Time
Minimum Off-Time
t ON2
t OFF(MIN)
V OUT2 = 3.3V
(Note 2)
(Note 2)
TON = REF or V CC
(300kHz)
833
925
300
1017
400
ns
ns
Soft-Start/Stop Slew Rate
Soft-Start/Stop Slew Rate
Dynamic REFIN2 Slew Rate
t SS
t SS
t DYN
Rising/falling edge on ON1 or ON2 (preset)
Rising/falling edge on ON2 (REFIN2 ADJ)
Rising edge on REFIN2
1
1
8
ms
mV/μs
mV/μs
Ultrasonic Operating Frequency f SW(USONIC) SKIP = open (REF)
20
27
kHz
SECFB Threshold Voltage
V SECFB
1.94
2.0
2.06
V
SECFB Input Bias Current
I SECFB
V SECFB = 2.2V, T A = +25°C
-0.2
+0.2
μA
LINEAR REGULATOR (LDO)
LDO Output-Voltage Accuracy
LDOSEL Dual Mode Threshold
Voltage Levels
V LDO
V IN = 24V, LDOSEL = BYP = GND,
0 < I LDO < 100mA
V IN = 24V, LDOSEL = V CC , BYP = GND,
0 < I LDO < 100mA
LDOSEL low
LDOSEL high
4.90
3.23
0.1
V CC -
0.9V
5.0
3.3
0.15
5.10
3.37
0.2
V
V
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3
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