MAX1715EEI+T Maxim Integrated Products, MAX1715EEI+T Datasheet - Page 3

• Manufacturer Part Number: MAX1715EEI+T
• Description: IC CNTRLR STP DWN DL 28-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1715EEI+T

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1V, 1.8V, 2.5V, 3.3V, Adj
• Current - Output: 8A
• Frequency - Switching: 200kHz, 300kHz, 420kHz, 540kHz
• Voltage - Input: 2 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Power - Output: 640mW
• Output Voltage: 1 V to 5.5 V, 3.3 V, 2.5 V
• Output Current: 8 A
• Input Voltage: 2 V to 28 V
• 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)
(Circuit of Figure 1, 4A components from Table 1, V
noted.) (Note 1)
Minimum Off-Time
Quiescent Battery Current (V+)
Quiescent Supply Current
(V
Shutdown Supply Current
(V
Shutdown Supply Current (V+)
Reference Voltage
Reference Load Regulation
REF Sink Current
REF Fault Lockout Voltage
Overvoltage Trip Threshold
Overvoltage Fault Propagation
Delay
Output Undervoltage Threshold
Output Undervoltage Lockout
Time
Current-Limit Threshold
(Positive Direction, Fixed)
Current-Limit Threshold
(Positive Direction, Adjusted)
Current-Limit Threshold
(Negative Direction)
Current-Limit Threshold, Zero
Crossing
Thermal Shutdown Threshold
V
Threshold
DH Gate Driver On-Resistance
DL Gate Driver On-Resistance
(pull-up)
DL Gate Driver On-Resistance
(pull-down)
DH Gate Driver Source/Sink
Current
DL Gate Driver Source Current
DL Gate Driver Sink Current
Dead Time
Logic Input High Voltage
Logic Input Low Voltage
CC
CC
CC
Undervoltage Lockout
+ V
+ V
PARAMETER
DD
DD
)
)
_______________________________________________________________________________________
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
(Note 3)
FB1 and FB2 forced above the regulation point
ON1 = ON2 = 0
ON1 = ON2 = 0
No external REF load
I
REF in regulation
Falling edge, hysteresis = 40mV
With respect to error comparator threshold
FB_ forced 2% above trip threshold
With respect to error comparator threshold
From ON_ signal going high
PGND - LX_, I
PGND - LX_, I
PGND - LX_, I
PGND - LX_, T
PGND - LX_, SKIP = AGND
Hysteresis = 10°C
Rising edge, hysteresis = 20mV, PWM disabled below
this level
BST - LX forced to 5V
DL, high state
DL, low state
DH forced to 2.5V, BST_ - LX_ forced to 5V
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
ON_, SKIP
ON_, SKIP
REF
= 0 to 50µA
LIM
LIM
LIM
A
CC =
= +25°C, I
= V
resistor = 100kΩ
resistor = 400kΩ
CC
V
CONDITIONS
DD
= +5V, SKIP = AGND, V+ = 15V, T
LIM
= V
CC
1.98
-145
A
MIN
160
8.5
4.1
2.4
10
60
10
75
40
-5
= 0°C to +85°C, unless otherwise
1100
-120
TYP
10.5
400
100
200
150
1.6
1.5
1.5
1.5
0.6
<1
<1
25
70
20
50
35
26
2
2
3
1
1
3
MAX
1600
2.02
0.01
500
125
240
-95
4.4
2.5
0.8
70
13
80
30
60
10
5
5
5
5
UNITS
mV
mV
mV
mV
µA
µA
µA
µA
µA
ms
°C
ns
µs
ns
%
%
Ω
Ω
Ω
A
A
A
V
V
V
V
V
V
3