MAX8649 Maxim Integrated Products, MAX8649 Datasheet - Page 3

• Manufacturer Part Number: MAX8649
• Description: 1.8A Step-Down Regulator
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
+25°C.) (Note 2)
VID0, VID1, EN Logic Input
Pulldown Resistor
I
SDA Output Low Voltage
I
Bus-Free Time Between START
and STOP
Hold Time Repeated START
Condition
SCL Low Period
SCL High Period
Setup Time Repeated START
Condition
SDA Hold Time
SDA Setup Time
Setup Time for STOP Condition
STEP-DOWN DC-DC REGULATOR
IN1 + IN2
Supply Current
Minimum Output Capacitance
Required for Stability
OUT Voltage Range
Output Overvoltage Protection
2
2
IN1
C Clock Frequency
C INTERFACE
= V
IN2
PARAMETER
1.8A Step-Down Regulator with Differential
= 3.6V, V
_______________________________________________________________________________________
AGND
= V
PGND
Controlled by I
VID0_PD = 1
VID1_PD = 1
EN_PD = 1
I
t
t
t
t
t
t
t
t
OPERATION_MODE_ = 0, V
OPERATION_MODE_ = 1, V
V
I
10mV steps
Rising, 50mV hysteresis (typ)
Remote Sense in 2mm x 2mm WLP
SDA
BUF
HD_STA
LOW
HIGH
SU_STA
HD_DAT
SU_DAT
SU_STO
OUT
OUT
= 0V, V
= 3mA
= 0 to 1.8A
= 0.75V to 1.38V,
DD
= 1.8V, T
2
C command:
CONDITIONS
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
OUT
OUT
= 1.27V, no switching
= 1.27V, f
sw
= 3.25MHz
0.750
MIN
1.65
200
1.3
0.6
1.3
0.6
0.6
0.1
0.6
0
-0.01
TYP
0.03
0.05
320
0.1
0.2
0.2
0.1
0.1
1.8
54
10
9
1.380
MAX
450
400
0.4
1.9
70
UNITS
kHz
mA
kΩ
µA
µF
µs
µs
µs
µs
µs
µs
µs
µs
V
V
V
A
3
=