PRODUCT SPECIFICATION
ML6554
Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum
ratings are stress ratings only and functional device operation is not implied.
Parameter
PV
DD
Voltage on Any Other Pin
Average Switch Current (I
AVG
)
Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (
θ
JC
)(Note 2)
Output Current, Source or Sink
Min.
GND – 0.3
Max.
4.5
V
IN
+ 0.3
3.0
150
150
150
2
3.0
Units
V
V
A
°C
°C
°C
°C/W
A
-65
Operating Conditions
Parameter
Temperature Range, CU suffix
Temperature Range, IU suffix
PV
DD
Operating Range
V
CCQ
Operating Range
Min.
0
-40
2.0
1.4
Max.
70
+85
4.0
4.0
Units
°C
°C
V
V
Electrical Characteristics
Unless otherwise specified, AV
CC
= V
DD
= PV
DD
= 3.3V ±10%, TA = Operating Temperature Range (Note 1)
Symbol
Parameter
Switching Regulator
V
TT
Output Voltage, SSTL_2
(See Figure 1)
Conditions
I
OUT
= 0,
V
REF
= open
I
OUT
= ±3A,
V
REF
= open
VREF
OUT
Internal Resistor Divider
I
OUT
= 0
Min.
Typ.
Max. Units
V
V
V
V
V
V
V
V
V
k
Ω
kHz
mV
µA
mA
mA
mA
mA
µA
mA
Z
IN
∆
V
OFFSET
Supply
I
Q
V
REF
Reference Pin Input
Impedance
Switching Frequency
Offset Voltage V
TT
– VREF
OUT
Quiescent Current
V
CCQ
= 2.3V 1.12 1.15 1.18
V
CCQ
= 2.5V 1.22 1.25 1.28
V
CCQ
= 2.7V 1.32 1.35 1.38
V
CCQ
= 2.3V 1.09 1.15 1.21
V
CCQ
= 2.5V 1.19 1.25 1.31
V
CCQ
= 2.7V 1.28 1.35 1.42
V
CCQ
= 2.3V 1.139 1.15 1.162
V
CCQ
= 2.5V 1.238 1.25 1.263
V
CCQ
= 2.7V 1.337 1.35 1.364
V
CCQ
= 0
100
650
AV
CC
= 2.5V No Load V
CCQ
= 2.5
I
OUT
= 0, no load
V
CCQ
= 2.5V
I
VCCQ
I
AVCC
I
AVCC
SD
I
VDD
I
VDD
SD
I
PVDD
–20
6
0.5
0.2
0.25
0.2
100
3
20
10
1.0
0.5
1.0
1.0
250
Buffer
I
REF
Output Load Current
Notes
1. Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
2. Infinite heat sink
REV. 1.1.3 3/8/02
3
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
