MAX8720ETX+ Maxim Integrated Products, MAX8720ETX+ Datasheet - Page 5

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

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
(Circuit of Figure 1, V+ =15V, SHDN = SKIP = V
Typical values are at T
PWM CONTROLLER
Input Voltage Range
DC Output Voltage Accuracy
FB Input Resistance
TIME Frequency Accuracy
On-Time (Note 2)
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
FAULT DETECTION
V
Threshold
CC
Undervoltage-Lockout
PARAMETER
_______________________________________________________________________________________
A
= +25°C.) (Note 4)
CC
DD
CC
DD
)
)
)
)
SYMBOL
t
OFF(MIN)
V
t
I
I
I
I
ON
CC
DD
CC
DD
REF
Dynamically Adjustable 6-Bit VID
I
I
+
+
Battery Voltage, V+
V
V+ = 4.5V to 28V,
includes load
regulation error
150kHz, R
818kHz, R
38kHz, R
V+ = 5V, FB = 1.25V, TON = GND
(1000kHz)
V+ = 12V,
FB = 1.25V
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
Rising edge, hysteresis = 20mV, PWM
disabled below this level
DD
CC
CC
, V
= V
= 4.5V to 5.5V, no REF load
DD
CC
CC
TIME
TIME
TIME
, open, or REF (200kHz, 300kHz,
= +5V, V
= 470kΩ
CONDITIONS
= 120kΩ
= 22kΩ
CC
= V
OUT
DAC codes from 0.9V
to 1.85V
DAC codes from
0.45V to 0.875V
DAC codes from
0.275V to 0.425V
TON = REF
(550kHz)
TON = open
(300kHz)
TON = V
(200kHz)
DD
Step-Down Controller
= 1.25V, T
= 0V or 5V
CC
A
= -40°C to +85°C, unless otherwise noted.
MIN
1.98
115
230
165
320
465
-15
-18
-12
-12
4.5
4.1
-1
-8
2
TYP
MAX
1300
2.02
+15
+18
+12
+12
265
290
215
390
565
500
375
5.5
4.4
+1
+8
28
40
25
5
5
5
UNITS
mV
kΩ
µA
µA
µA
µA
µA
µA
ns
ns
%
%
V
V
V
5