MAX1715EEI Maxim Integrated Products, MAX1715EEI Datasheet - Page 6

• Manufacturer Part Number: MAX1715EEI
• Description: IC CTRLR DC DUAL STPDWN 28-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1715EEI

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1V, 1.8V, 2.5V, 3.3V, Adj
• Current - Output: 8A
• Frequency - Switching: 200kHz, 300kHz, 420kHz, 540kHz
• Voltage - Input: 2 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Power - Output: 640mW
• Output Voltage: 1 V to 5.5 V, 3.3 V, 2.5 V
• Output Current: 8 A
• Input Voltage: 2 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Case: SSOP
• Dc: 05+
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
(Circuit of Figure 1, components from Table 1, V
6
_____________________________Typical Operating Characteristics (continued)
100
80
40
60
20
_______________________________________________________________________________________
0
100
80
60
40
20
0.01
0
0.001
(2.5V, 4A COMPONENTS, SKIP = V
(3.3V, 1.5A COMPONENTS, V
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
SKIP = GND
V+ = +7V
0.01
0.1
LOAD CURRENT (A)
LOAD CURRENT (A)
V+ = +20V
0.1
SKIP = V
400
300
200
100
0
1
0.01
V+ = +12V
CC
1
OUT1, SKIP = GND
FREQUENCY vs. LOAD CURRENT
IN
OUT1, SKIP = V
OUT2, SKIP = V
= 5V)
CC
)
(4A COMPONENTS)
10
0.1
LOAD CURRENT (A)
10
CC
CC
100
100
90
80
60
70
IN
80
60
0.01
0.01
OUT2, SKIP = GND
= +15V, SKIP = AGND, TON = unconnected, T
1
(1.3V, 8A COMPONENTS, SKIP = GND)
(5V, 3A COMPONENTS, SKIP = GND)
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
V+ = +7V
V+ = +7V
0.1
LOAD CURRENT (A)
V+ = +20V
0.1
LOAD CURRENT (A)
10
V+ = +20V
400
300
200
100
V+ = +12V
1
1
0
4
V+ = +12V
FREQUENCY vs. SUPPLY VOLTAGE
(4A COMPONENTS, SKIP = V
8
10
10
SUPPLY VOLTAGE (V)
12
OUT1
OUT2
100
100
80
40
80
60
40
20
60
20
0
0
16
0.01
0.01
A
(1.3V, 8A COMPONENTS, SKIP = V
(5V, 3A COMPONENTS, SKIP = V
= +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
20
V+ = +7V
CC
)
0.1
LOAD CURRENT (A)
0.1
LOAD CURRENT (A)
V+ = +7V
24
V+ = +20V
V+ = +20V
1
1
V+ = +12V
V+ = +12V
CC
CC
)
)
10
10