MAX1745EUB+T Maxim Integrated Products, MAX1745EUB+T Datasheet - Page 3

IC DC-DC CNTRLR STP DWN 10UMAX

MAX1745EUB+T

Manufacturer Part Number
MAX1745EUB+T
Description
IC DC-DC CNTRLR STP DWN 10UMAX
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet

Specifications of MAX1745EUB+T

Internal Switch(s)
No
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.25 ~ 18 V
Frequency - Switching
330kHz
Voltage - Input
4.5 ~ 36 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Power - Output
444mW
Output Voltage
1.25 V to 18 V
Output Current
10 A
Input Voltage
4.5 V to 36 V
Mounting Style
SMD/SMT
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS
(V IN = V
Input Voltage Range
Supply Current into IN
Shutdown Supply Current
Output Voltage (MAX1744)
OUT Input Current (MAX1744)
FB Threshold Voltage (MAX1745)
FB Input Current (MAX1745)
VH Output Voltage with Respect to IN
VL Output Voltage
VL Undervoltage Lockout
CS Threshold Voltage
CS Input Current
SHDN, 3/5 Logic-High Threshold
SHDN, 3/5 Logic-Low Threshold
3/5 Input Current
SHDN Input Current
EXT Resistance
Minimum EXT Off-Time
Minimum EXT On-Time
Reference Voltage
REF Load Regulation
REF Line Regulation
SHDN
= 5.5V to 36V, 3/5 = GND, I LOAD = 0, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
_______________________________________________________________________________________
High-Voltage, Step-Down DC-DC
V
SHDN = GND
3/5 = VL
3/5 = GND
3/5 = VL, V
Falling edge, hysteresis = 8mV
V
V
V
V
V
V
V
V
SHDN = GND
3/5 = GND
V
I
0 ≤ I
V
REF
SHDN
IN
IN
CS
CS
CS
CS
IN
IN
SHDN
IN
= 5.5V to 36V, I
= 5.5V to 36V, I
= 4.5V to 36V
= 4.5V to 36V
= 4.5V to 36V, I
REF
= V
= V
= V
= V
= 0
= V
= 36V
OUT
OUT
OUT
OUT
≤ 100μA
IN
OUT
= 2.5V to 18V
= V
= 2.5V to 18V
= V
= 5.5V to 36V
CONDITIONS
= 5V
GND
GND
VH
VL
REF
= 100μA to 2mA
= 100μA to 20mA
= 0
Controllers in µMAX
-6.0V
MIN
4.85
3.20
1.22
1.22
-50
-25
4.5
4.5
2.0
2.4
1.5
0.7
85
80
0
-4.3V
MAX
5.15
3.40
1.28
1.28
140
115
150
5.5
4.1
0.4
2.5
1.5
36
12
44
50
25
±1
±1
12
20
10
60
0
UNITS
μV/V
mV
mV
μA
μA
μA
nA
μA
μA
μA
μs
μs
Ω
V
V
V
V
V
V
V
V
V
3

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