MAX8598ETE+T Maxim Integrated Products, MAX8598ETE+T Datasheet - Page 14

• Manufacturer Part Number: MAX8598ETE+T
• Description: IC CNTRLR STP DWN LDO 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8598ETE+T

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 1.4MHz
• Duty Cycle: 99.5%
• Voltage - Supply: 4.5 V ~ 28 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-TQFN Exposed Pad
• Frequency-max: 1.4MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Dropout, Wide-Input-Voltage,
Step-Down Controllers
Figure 1. MAX8597 (600kHz): Live Adjustable Output Voltage from 6V to 12V at 10A
Figure 2. 1.2V at 20A Output with Remote Sensing
14
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OFF
V
V
IN
ADJ
OFF
93.1kΩ
(10.8V TO 13.2V)
10kΩ
10kΩ
(0V TO 5V)
V
R3
0.01µF
R10
IN
1800pF
R6
ON
R7
12.1kΩ
(10.8V TO 13.2V)
7.2kΩ
C15
R6
48.7kΩ
R7
48.7kΩ
10kΩ
C8
R4
R8
ON
100pF
5.1kΩ
EN
C10
R11
100kΩ
R4
EN
12.1kΩ
R9
6.04kΩ
10kΩ
16kΩ
R5
32.4kΩ
R10
R9
47kΩ
AVL
R5
R12
39pF
6800pF
0.033µF
C8
C9
AVL
C4
0.033µF
4.7pF
820pF
C6
C8
C9
19
20
18
R8
24.9kΩ
4
5
AIN-
AIN+
SS
AOUT
FB
COMP
19
20
18
REFIN EN
6
4
5
2
AIN-
AIN+
SS
AOUT
FB
40.2kΩ
COMP
GND
3
REFIN EN
6
R1
7
2
0.22µF
33.2kΩ
C10
GND
3
17
MAX8597
R1
7
FREQ V+
0.22µF
R14
AVL
3Ω
1
C11
MAX8597
17
9
FREQ V+
10Ω
R11
R15
AVL
3Ω
1
1µF
C1
9
REFO
8
10Ω
R13
16
1µF
ILIM
C11
1µF
C1
REFO
8
PGND
10
CMDSH-3
VL
BST
16
DH
LX
DL
ILIM
C13
1µF
10
PGND
13
14
15
11
12
D1
VL
VL
BST
DH
LX
DL
4.7µF
C12
13
14
15
11
12
VL
4.7µF
C12
CMDSH-3
VL
1.65kΩ
C5
0.22µF
D1
R2
VL
(Q1 = Q2 =
(Q3 = Q4 =
IRF7807Z)
IRF7832)
1.21kΩ
C5
0.22µF
IRF7821
IRF7821
R2
Q1
Q2
C3
0.01µF
Q1
Q3
C3
0.01µF
10µF
10µF
10µF
C2A
C2B
C2C
R14
2Ω
C14
2200pF
Q2
Q4
1µH
L1
Design Procedure
47µF
C7A
10µF
10µF
C2A
C2B
R12
3Ω
C13
2200pF
0.7µH
L1
470µF
C7A
C7B
47µF
6V TO 12V/10A
V
OUT
C7B
470µF
1.2V/20A
V
OUT