MAX797ESE+ Maxim Integrated Products, MAX797ESE+ Datasheet - Page 6

• Manufacturer Part Number: MAX797ESE+
• Description: IC CNTRLR STEP DOWN 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX797ESE+

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 3.3V, 5V, Adj
• Current - Output: 10A
• Frequency - Switching: 150kHz, 300kHz
• Voltage - Input: 4.5 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Power - Output: 696mW
• Output Voltage: 2.5 V to 6 V
• Input Voltage: 5 V to 30 V
• Supply Current: 2 uA
• Switching Frequency: 300 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Step-Down Controllers with
Synchronous Rectifier for CPU Power
(T
6
__________________________________________Typical Operating Characteristics
_____________________________________Typical Operating Circuits (continued)
A
100
90
80
70
60
50
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
0.001
vs. LOAD CURRENT, 5V/3A CIRCUIT
0.01
LOAD CURRENT (A)
EFFICIENCY
STANDARD MAX797 5V/3A
CIRCUIT, FIGURE 1
f = 300kHz
V
IN
0.1
INPUT 6V TO 30V
= 6V
V
1
IN
= 30V
SHDN
SS
REF
GND
10
MAX799
SYNC
V+
SECFB
PGND
100
CSH
90
80
70
60
50
BST
CSL
DH
FB
VL
LX
DL
0.001
vs. LOAD CURRENT, 3.3V/3A CIRCUIT
0.01
LOAD CURRENT (A)
EFFICIENCY
V
STANDARD MAX797 3.3V/3A
CIRCUIT, FIGURE 1
f = 300kHz
IN
= 5V
0.1
V
IN
= 12V
1
V
FROM
IN
REF
= 30V
10
100
90
80
70
60
50
40
0.1
vs. LOAD CURRENT, 3.3V/10A CIRCUIT
SKIP = LOW
–5V
OUTPUT
+5V
OUTPUT
LOAD CURRENT (A)
STANDARD MAX797 3.3V/10A
CIRCUIT, FIGURE 1
f = 300kHz
V
IN
EFFICIENCY
= 5V
SKIP = HIGH
1
10