MAX8720ETX+ Maxim Integrated Products, MAX8720ETX+ Datasheet - Page 3

IC CNTRL VID STP DWN 36-TQFN

MAX8720ETX+

Manufacturer Part Number
MAX8720ETX+
Description
IC CNTRL VID STP DWN 36-TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX8720ETX+

Applications
Controller, CPU GPU
Voltage - Input
2 ~ 28 V
Number Of Outputs
1
Voltage - Output
0.28 ~ 1.85 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
36-TQFN Exposed Pad
Output Voltage
0.275 V to 1.85 V
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, V+ = 15V, SHDN = SKIP = V
values are at T
Minimum Off-Time (Note 2)
BIAS AND REFERENCE
Quiescent Supply Current (V
Quiescent Supply Current (V
Quiescent Battery Supply
Current (V+)
Shutdown Supply Current (V
Shutdown Supply Current (V
Shutdown Battery Supply
Current (V+)
Reference Voltage
Reference Load Regulation
REF Sink Current
FAULT DETECTION
V
Threshold
Output Overvoltage Trip
Threshold
Output Overvoltage Fault-
Propagation Delay
Output Undervoltage-Protection
Trip Threshold
Output Undervoltage Fault-
Propagation Delay
PGOOD Transition Blanking Time
PGOOD Lower Trip Threshold
PGOOD Upper Trip Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Thermal-Shutdown Threshold
CURRENT LIMIT
ILIM Adjustment Range
CC
Undervoltage-Lockout
PARAMETER
A
= +25°C.)
_______________________________________________________________________________________
CC
DD
CC
DD
)
)
)
)
SYMBOL
t
OFF(MIN)
t
I
T
∆V
PGOOD
PGOOD
V
t
t
SHDN
I
I
I
I
OVP
UVP
CC
DD
CC
DD
REF
Dynamically Adjustable 6-Bit VID
I
I
+
+
REF
DD
TON = V
or 550kHz)
TON = GND (1000kHz)
FB forced above their regulation points
FB forced above their regulation points
SHDN = GND
SHDN = GND
SHDN = GND, V
V
I
I
REF in regulation
Rising edge, hysteresis = 20mV, PWM
disabled below this level
FB forced 2% above regulation
With respect to unloaded output voltage
FB forced 2% below trip threshold
After X = Y, clock speed set by R
Measured at FB with respect to unloaded
output voltage, hysteresis = 1%
Measured at FB with respect to unloaded
output voltage, hysteresis = 1%
Falling edge, 50mV overdrive
I
High state, PGOOD forced to 5.5V
Hysteresis = 10°C
REF
REF
SINK
CC
= V
= 4.5V to 5.5V,
= 0
= 0 to 50µA
= 4mA
CC
CC
= +5V, V
, open, or REF (200kHz, 300kHz,
CONDITIONS
CC
OUT
= V
= 1.25V, T
DD
T
T
Step-Down Controller
A
A
= + 25°C to + 85°C
= 0°C to +85°C
= 0V or 5V
TIME
A
= 0°C to +85°C, unless otherwise noted. Typical
1.985
MIN
1.98
2.20
+13
-17
4.1
0.5
10
65
+150
TYP
2.00
2.00
2.25
+15
400
300
700
-15
<1
<1
<1
25
10
10
70
10
10
8
2.015
MAX
1200
V
2.02
0.01
2.30
+17
500
375
4.4
-13
0.4
40
25
75
REF
5
5
5
1
UNITS
µA
µA
µA
µA
µA
µA
µA
clk
µA
ns
µs
µs
µs
°C
%
%
%
V
V
V
V
V
V
3

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