MAX1980ETP+ Maxim Integrated Products, MAX1980ETP+ Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
+85°C, unless otherwise noted. Typical values are at T
CURRENT SENSING
On-Time Adjustment Range
COMP Output Current
Current-Balance Offset
Current-Balance
Transconductance
Current-Sense, Common-Mode
Range
Current-Sense Input Current
Positive Current-Limit Threshold
Negative Current-Limit
Threshold
ILIM Standby Threshold Voltage
ILIM Input Current
LIMIT Propagation Delay
LIMIT Output Low Voltage
LIMIT Leakage Current
FAULT PROTECTION
V
Threshold
Thermal-Shutdown Threshold
GATE DRIVERS
DH Gate-Driver On-Resistance
(Note 3)
DL Gate-Driver On-Resistance
(Note 3)
DH Gate-Driver Source/Sink
Current
DL Gate-Driver Sink Current
DL Gate-Driver Source Current
Dead Time
Driver Disable Delay
CC
Driver Disable for Multiphase DC-DC Converter
Undervoltage Lockout
PARAMETER
_______________________________________________________________________________________
CC
= V
V
SYMBOL
R
R
OL(LIMIT)
V
I
DD
t
I
COMP
ON ( D H )
ON(DL)
LIMIT
LIMIT
C_LIM
I
t
I
I
DH
DD
DL
DL
Quick-PWM Slave Controller with
= 5V, V
0.42V < V
Sink and source
(V
-100mV ≤ (V
(V
CM+, CM-, CS+, CS-
CM+, CM-, CS+, CS-
V
V
V
Falling edge, 3mV over trip threshold
I
LIMIT forced to 5.5V
Rising edge, hysteresis = 20mV, switching
disabled below this level
Rising, hysteresis = 15°C (typ)
V
High state (pullup)
Low state (pulldown)
DH forced to 2.5V, V
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
DD falling (Note 4)
DD rising (Note 4)
OUT
SINK
CM+
CS+
CS+
BST
CM+
CM+
A
= V
= 1mA
- V
- V
- V
- V
= +25°C.)
- V
- V
LX
COMP
CS-
CS-
CM-
CM-
CM-
COMP
forced to 5V
CM+
and
) - (V
) - (V
= 1.2V, V
CONDITIONS
< 2.8V, V
- V
CS+
CS+
CM-
BST
- V
- V
) ≤ +100mV
CM+
- V
OUT
CS-
CS-
V
V
V
V
LX
) = ±25mV
ILIM
ILIM
ILIM
ILIM
= V
), I
≥ 0.7V
forced to 5V
COMP
CM-
= 0.5V
= 1V
= 0.5V
= 1V
= V
= 0,
CS+
= V
CS-
-1.25
MIN
47.5
97.5
-160
-100
3.45
-0.2
-40
-80
0.2
30
-1
= 1.2V, DD = V
< 0.01
TYP
-150
100
160
225
-75
1.0
1.0
0.4
1.3
4.0
1.3
1.2
1.5
50
35
26
65
+1.25
102.5
CC
MAX
1000
1000
-140
+2.0
52.5
3.85
+40
-70
100
0.3
4.5
4.5
2.0
0.1
1
1
, T
A
= 0°C to
UNITS
mV
mV
µA
mV
mS
µA
µA
µs
°C
ns
ns
%
nA
Ω
Ω
V
V
A
A
A
V
V
3