參數(shù)資料
型號(hào): MAX1745EUB+T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: High-Voltage, Step-Down DC-DC Controller in µMAX
中文描述: SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10
封裝: MICRO MAX PACKAGE-10
文件頁(yè)數(shù): 8/14頁(yè)
文件大?。?/td> 256K
代理商: MAX1745EUB+T
MAX1744/MAX1745
High-Voltage, Step-Down DC-DC
Controller in MAX
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(VIN = SHDN = 5.5V to 36V, 3/5 = GND, ILOAD = 0, TA = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
Input Voltage Range
4.5
36
V
Supply Current into IN
SHDN = VIN = 5.5V to 36V
140
A
Shutdown Supply Current
SHDN = GND
12
A
3/5 = VL
4.85
5.15
Output Voltage (MAX1744)
3/5 = GND
3.20
3.40
V
OUT Input Current (MAX1744)
3/5 = VL, VOUT = 5V
44
A
FB Threshold Voltage (MAX1745)
Falling edge, hysteresis = 8mV
1.22
1.28
V
FB Input Current (MAX1745)
-50
50
nA
VH Output Voltage with Respect to IN
VIN = 5.5V to 36V, IVH = 100A to 20mA
-6.0V
-4.3V
V
VL Output Voltage
VIN = 5.5V to 36V, IVL = 100A to 2mA
4.5
5.5
V
VL Undervoltage Lockout
2.0
4.1
V
VCS = VOUT = 2.5V to 18V
85
115
CS Threshold Voltage
VCS = VOUT = GND
80
150
mV
VCS = VOUT = 2.5V to 18V
0
25
CS Input Current
VCS = VOUT = GND
-25
0
A
SHDN, 3/5 Logic-High Threshold
VIN = 4.5V to 36V
2.4
V
SHDN, 3/5 Logic-Low Threshold
VIN = 4.5V to 36V
0.4
V
3/5 Input Current
SHDN = GND
±1A
3/5 = GND
±1
SHDN Input Current
SHDN = 36V
12
A
EXT Resistance
20
Minimum EXT Off-Time
1.5
2.5
s
Minimum EXT On-Time
0.7
1.5
s
Reference Voltage
IREF = 0
1.22
1.28
V
REF Load Regulation
0
≤ IREF ≤ 100A
10
mV
REF Line Regulation
VIN = 4.5V to 36V, IREF = 0
60
V/V
相關(guān)PDF資料
PDF描述
MAX1744AUB+ High-Voltage, Step-Down DC-DC Controller in µMAX
MAX1744EUB+ High-Voltage, Step-Down DC-DC Controller in µMAX
MAX1745AUB+ High-Voltage, Step-Down DC-DC Controller in µMAX
MAX1745EUB/V+ High-Voltage, Step-Down DC-DC Controller in µMAX
MAX1745EUB+ High-Voltage, Step-Down DC-DC Controller in µMAX
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