MAX797HESE+ Maxim Integrated Products, MAX797HESE+ Datasheet - Page 3

• Manufacturer Part Number: MAX797HESE+
• Description: IC CTRLR SYNC STEPDOWN 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX797HESE+

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 5V, Adj
• Current - Output: 10A
• Frequency - Switching: 150kHz, 300kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Power - Output: 696mW
• Output Voltage: 5 V
• Output Current: 10 A
• Input Voltage: 4.5 V
• Supply Current: 0.44 mA
• Switching Frequency: 340 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, GND = PGND = 0V, I VL = I REF = 0A, T
OSCILLATOR AND INPUTS/OUTPUTS
Reference Output Voltage
Reference Fault Lockout Voltage
Reference Load Regulation
CSL Shutdown Leakage Current
V+ Shutdown Current
V+ Off-State Leakage Current
Dropout Power Consumption
Quiescent Power Consumption
Oscillator Frequency
SYNC High Pulse Width
SYNC Low Pulse Width
SYNC Rise/Fall Time
Oscillator Sync Range
Maximum Duty Factor
Input High Voltage
Input Low Voltage
Input Current
DL Sink/Source Current
DH Sink/Source Current
DL On-Resistance
DH On-Resistance
PARAMETER
High-Voltage, Step-Down Controller with
_______________________________________________________________________________________
Synchronous Rectifier for CPU Power
No external load (Note 1)
Falling edge
0µA < I
SHDN = 0V, CSL = 6V, V+ = 0V or 30V, VL = 0V
SHDN = 0V, V+ = 30V, CSL = 0V or 6V
FB = CSH = CSL = 6V, VL switched over to CSL
V+ = 4V, CSL = 0V (Note 2)
CSH = CSL = 6V
SYNC = REF
SYNC = 0V or 5V
Guaranteed by design
SYNC = REF
SYNC = 0V or 5V
SYNC
SHDN, SKIP
SYNC
SHDN, SKIP
SHDN, 0V or 30V
SYNC, SKIP
CSH, CSL, CSH = CSL = 4V, device not shut down
FB, FB = REF
DL forced to 2V
DH forced to 2V, BST - LX = 4.5V
High or low
High or low, BST - LX = 4.5V
REF
< 100µA
A
= 0°C to +85°C, SYNC = 0V, unless otherwise noted.)
CONDITIONS
VL - 0.5
2.45
MIN
270
125
200
200
190
1.8
2.0
89
93
2.505
TYP
300
150
0.1
4.8
91
96
1
1
4
1
1
±100
MAX
2.55
330
175
200
340
2.3
6.6
0.8
0.5
2.0
1.0
50
50
1
5
5
8
7
7
UNITS
mW
mW
kHz
kHz
mV
µA
µA
µA
µA
nA
ns
ns
ns
%
Ω
Ω
V
V
V
V
A
A
3