MAX1980ETP+ Maxim Integrated Products, MAX1980ETP+ Datasheet - Page 13

• Manufacturer Part Number: MAX1980ETP+
• Description: IC CNTRLR QUICK-PWM 20-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1980ETP+

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 550kHz
• Duty Cycle: 50%
• Voltage - Supply: 4 V ~ 28 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 20-TQFN Exposed Pad
• Frequency-max: 550kHz
• Input Voltage: 4 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. Standard Application Circuit
Driver Disable for Multiphase DC-DC Converter
POWER
LOW
C10
1000pF
10kΩ
R25
OPTIONAL LOW-POWER LOGIC
SUPPLY
5V BIAS
OFF
100kΩ
1kΩ
R18
R19
ON
100kΩ
______________________________________________________________________________________
R24
SUPPLY
5V BIAS
C9
1000pF
R22
30kΩ
R23
20kΩ
5V BIAS
SUPPLY
(MASTER)
(300kHz)
FLOAT
1µF
R17
0Ω
C3
100pF
FB
(300kHz)
C6
Quick-PWM Slave Controller with
FLOAT
MUX CONTROL
0.22µF
100kΩ
C
470pF
(MAX1718)
COMP
TO LOGIC
0.22µF
R9
SUSPEND
10Ω
47pF
C4
C
C
INPUTS
INPUTS
R7
REF
CC
30.1kΩ
34.8kΩ
53.6kΩ
113kΩ
470pF
REF
DAC
0.22µF
C5
R11
R12
R10
R8
R
C2
10kΩ
COMP
VGATE
D0
D1
D2
D3
D4
V
TON
SKP/SDN
ILIM
I
S0
S1
ZMODE
SUS
CC
REF
V
LIMIT
V
POL
TON
COMP
DD
GND
LIM
CC
DD
CC
MAX1718
MAX1980
10Ω
DS
R6
PGND
TIME
GND
TRIG
CM+
OVP
NEG
POS
V
BST
CM-
BST
CS+
CS-
DH
V+
DL
DH
DD
LX
FB
V+
LX
DL
R
62kΩ
TIME
DM
C
0.1µF
C
1000pF
4700pF
4700pF
100Ω
C
0.1µF
BST(M)
R
FB
BST(S)
FB
C7
C8
C1
1µF
N
N
H(S)
L(S)
5V BIAS
SUPPLY
0.6µH
200Ω
200Ω
200Ω
200Ω
L
R13
R14
R15
R16
301kΩ
S
2.8kΩ
N
N
H(M)
L(M)
C
(6) 10µF 25V CERAMIC
R2
R1
IN
0.6µF
5V BIAS
SUPPLY
L
M
R20
1kΩ
1kΩ
R3
1.5mΩ
INPUT
8V TO 24V
R
CS
R5
1kΩ
2kΩ
R4
R21
2kΩ
1.5mΩ
R
CM
POWER GROUND
ANALOG GROUND
(MASTER)
ANALOG GROUND
(SLAVE)
C
(8) 270µF
OUT
OUTPUT
13