MAX786CAI+T Maxim Integrated Products, MAX786CAI+T Datasheet - Page 4

• Manufacturer Part Number: MAX786CAI+T
• Description: IC CNTRLR PWR SUP DL 28SSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX786CAI+T

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 3.3V, 5V
• Current - Output: 3A
• Frequency - Switching: 200kHz, 300kHz
• Voltage - Input: 5.5 ~ 30 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Power - Output: 762mW
• Output Voltage: 3.3 V, 3.45 V, 3.6 V
• Input Voltage: 5.5 V to 30 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Output Power-Supply
Controller for Notebook Computers
(Circuit of Figure 1, T
4
________________________________________________Typical Operating Characteristics
100
100
500
400
300
200
100
90
80
70
60
50
90
80
70
60
50
_______________________________________________________________________________________
0
1m
1m
0
V IN = 6V
SHUTDOWN SUPPLY CURRENT vs.
V IN = 6V
EFFICIENCY vs. +3.3V OUTPUT
EFFICIENCY vs. +5V OUTPUT
6
10m
10m
+3.3V OUTPUT CURRENT (A)
+5V OUTPUT CURRENT (A)
CURRENT, 200kHz
CURRENT, 300kHz
SUPPLY VOLTAGE
SHDN = 0V
SUPPLY VOLTAGE (V)
SYNC = 0V, +3.3V OFF
12
V IN = 30V
V IN = 15V
A
100m
100m
= +25°C, unless otherwise noted.)
V IN = 30V
18
+5V ON
1
1
V IN = 15V
24
10
10
30
1.0
0.8
0.6
0.4
0.2
100
19
18
0
90
80
70
60
50
2
1
0
1m
0
1m
MINIMUM V IN TO V OUT DIFFERENTIAL
QUIESCENT SUPPLY CURRENT vs.
V IN = 6V
EFFICIENCY vs. +5V OUTPUT
vs. +5V OUTPUT CURRENT
6
10m
+5V OUTPUT CURRENT (A)
10m
+5V OUTPUT CURRENT (A)
SUPPLY VOLTAGE
ON3 = ON5 = HIGH
SUPPLY VOLTAGE (V)
CURRENT, 300kHz
V IN = 30V
12
+5V OUTPUT
STILL REGULATING
100m
100m
300kHz
18
+3.3V OFF
1
V IN = 15V
200kHz
1
24
30
10
10
1000
100
100
0.1
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
10
0
1
100
1m
0
SYNC = REF (300kHz)
ON3 = ON5 = 5V
+5V, V
STANDBY SUPPLY CURRENT vs.
EFFICIENCY vs. +3.3V OUTPUT
V IN = 6V
SWITCHING FREQUENCY vs.
10m
6
+3.3V OUTPUT CURRENT (A)
ON3 = ON5 = 0V
IN
1m
CURRENT, 200kHz
SUPPLY VOLTAGE
= 30V
SUPPLY VOLTAGE (V)
LOAD CURRENT (A)
LOAD CURRENT
+5V, V
12
SYNC = 0V, +5V ON
V IN = 15V
100m
10m
IN
= 7.5V
+3.3V, V
18
V IN = 30V
100m
IN
1
24
= 7.5V
10
30
1