MAX797CSE Maxim Integrated Products, MAX797CSE Datasheet - Page 25

IC CONTRLR STEP-DOWN PWM 16-SOIC

MAX797CSE

Manufacturer Part Number
MAX797CSE
Description
IC CONTRLR STEP-DOWN PWM 16-SOIC
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet

Specifications of MAX797CSE

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
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Power - Output
696mW
Output Voltage
5 V
Output Current
10 A
Switching Frequency
340 KHz
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Supply Current
0.44 mA
Case
sop
Dc
99+
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Figure 10. Kelvin Connections for the Current-Sense Resistor
Figure 11. +5V/+15V Dual-Output Application (MAX796)
_________________________________________________________Application Circuits
(OPTIONAL)
ON/OFF
0.01µF
22µF, 35V
6
1
4
GND
SHDN
SS
SECFB
2
FAT, HIGH-CURRENT TRACES
______________________________________________________________________________________
SYNC
5
MAIN CURRENT PATH
MAX796
7
MAX796
MAX797
MAX799
FB
3
Synchronous Rectifier for CPU Power
REF
11
VL
0.33µF
PGND
CSH
BST
CSL
DH
DL
V+
LX
SENSE RESISTOR
16
14
15
13
12
8
9
10
4.7µF
C2
4700pF*
Si9410
Si9410
0.1µF
D1
CMPSH
-3A
Step-Down Controllers with
V
22Ω*
IN
(6.5V TO 18V)
EC11FS1
C2
4.7µF
D2
1N5819
T1 = TRANSPOWER TTI5870
* = OPTIONAL, MAY NOT BE NEEDED
15µH
2.2:1
T1
C3
15µF
2.5V
0.01µF
210k, 1%
20mΩ
49.9k, 1%
220µF
6.3V
1/4 W
18V
+15V
AT
250mA
+5V
AT 3A
25

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