MAX1715EEI+T Maxim Integrated Products, MAX1715EEI+T Datasheet - Page 7

• Manufacturer Part Number: MAX1715EEI+T
• Description: IC CNTRLR STP DWN DL 28-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1715EEI+T

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1, components from Table 1, V
_____________________________Typical Operating Characteristics (continued)
300
250
200
150
100
50
0
-40
C
A
B
(2.5V, 4A COMPONENTS, SKIP = HIGH)
A = V
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
(2.5V, 4A COMPONENTS, SKIP = GND)
FREQUENCY vs. TEMPERATURE
-20
OUT
LOAD-TRANSIENT RESPONSE
, AC-COUPLED, 100mV/div
TEMPERATURE (°C)
0
C
A
B
_______________________________________________________________________________________
20
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
(2.5V, 4A COMPONENTS, SKIP = GND)
OUTPUT OVERLOAD WAVEFORM
OUT
40
Ultra-High Efficiency, Dual Step-Down
, 2V/div
60
Controller for Notebook Computers
80
700
600
500
400
300
200
100
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
IN
A
B
C
OUT2 = 2.5V, 4A COMPONENTS; SKIP = GND)
0
(2.5V, 4A COMPONENTS, ACTIVE LOAD)
0
= +15V, SKIP = AGND, TON = unconnected, T
A = V
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
(OUT1 = 1.8V, 4A COMPONENTS;
OUT
5
, 2V/div
START-UP WAVEFORM
INPUT VOLTAGE (V)
10
I
CC
15
A
B
C
I
BATT
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
(2.5V, 4A COMPONENTS, SKIP = GND)
20
OUT
, 2V/div
SHUTDOWN WAVEFORM
25
I
DD
30
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
12
10
C
A
B
8
6
2
0
OUT2 = 2.5V, 4A COMPONENTS; SKIP = V
4
0
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
A
(1.3V, 8A COMPONENTS, SKIP = GND)
= +25°C, unless otherwise noted.)
(OUT1 = 1.8V, 4A COMPONENTS;
OUT
LOAD-TRANSIENT RESPONSE
5
, AC-COUPLED, 100mV/div
INPUT VOLTAGE (V)
10
15
20
I
IN
I
I
DD
CC
25
30
CC
)
7