datasheetbank_Logo
Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

MAX1544 View Datasheet(PDF) - Maxim Integrated

Part Name
Description
View to exact match
MAX1544 Datasheet PDF : 42 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VTON = VSKIP = VS0 = VS1 = VOVP = 5V, VFB = VCMP = VCMN = VCSP = VCSN =
1.3V, OFS = SUS = GNDS = D0D4 = GND; TA = 0°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Current-Balance
Transconductance
GATE DRIVERS
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
Gm(IBAL)
RON(DH)
RON(DL)
BST_ - LX_ forced to 5V
High state (pullup)
Low start (pulldown)
400
µS
1.0
4.5
1.0
4.5
0.4
2
DH_ Gate-Driver Source/Sink
Current
IDH
DH_ forced to 2.5V,
BST_ - LX_ forced to 5V
1.6
A
DL_ Gate-Driver Sink Current
IDL(SINK) DL_ forced to 5V
DL_ Gate-Driver Source Current IDL(SOURCE) DL_ forced to 2.5V
Dead Time
tDEAD
DL_ rising
DH_ rising
VOLTAGE-POSITIONING AMPLIFIER
Input Offset Voltage
VOS
Input Bias Current
IBIAS
OAIN+, OAIN-
Op Amp Disable Threshold
VOAIN-
4
A
1.6
A
35
ns
26
-1
+1
mV
0.1
200
nA
3
VCC - 1
VCC -
0.4
V
Common-Mode Input Voltage
Range
Common-Mode Rejection Ratio
Power-Supply Rejection Ratio
Large-Signal Voltage Gain
Output Voltage Swing
Input Capacitance
Gain-Bandwidth Product
Slew Rate
Capacitive-Load Stability
LOGIC AND I/O
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN No-Fault Threshold
OVP Input High Voltage
OVP Input Low Voltage
Three-Level Input Logic Levels
Logic Input Current
D0D4 Logic Input High Voltage
VCM
CMRR
PSRR
AOA
Guaranteed by CMRR test
VOAIN+ = VOAIN- = 0 to 2.5V
VCC = 4.5V to 5.5V
RL = 1kto VCC/2
|VOAIN+ - VOAIN-| 10mV,
RL = 1kto VCC/2
VCC - VFBH
VFBL
No sustained oscillations
VIH
VIL
V SHDN
To enable no-fault mode
High
SUS, SKIP
REF
Low
SHDN, SKIP, SUS, OVP
0
2.5
V
70
115
dB
75
100
dB
80
112
dB
77
300
mV
47
200
11
pF
3
MHz
0.3
V/µs
400
pF
0.8
V
0.4
V
12
15
V
2.4
V
0.8
V
2.7
1.2
2.3
V
0.8
-1
+1
µA
1.6
V
_______________________________________________________________________________________ 5
 

Share Link: 

datasheetbank.com [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]