MAX1842EEE Maxim Integrated Products, MAX1842EEE Datasheet - Page 4

• Manufacturer Part Number: MAX1842EEE
• Description: DC/DC Switching Regulators
• Manufacturer: Maxim Integrated Products

Specifications of MAX1842EEE

• Case: ssop
• Dc: 02+
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
(V
1A/2.7A, 1MHz, Step-Down Regulators with
Synchronous Rectification and Internal Switches
Note 2: Recommended operating frequency, not production tested.
Note 3: Specifications from 0°C to -40°C are guaranteed by design, not production tested.
4
Input Voltage
Preset Output Voltage
Adjustable Output Voltage
Range
Reference Voltage
PMOS Switch
On-Resistance
NMOS Switch
On-Resistance
Current-Limit Threshold
Idle Mode Current Threshold
No-Load Supply Current
FB Input Bias Current
Off-Time Default Period
IN
_______________________________________________________________________________________
= V
CC
PARAMETER
= 3.3V, FBSEL = GND, T
A
SYMBOL
I
= -40°C to +85°C, unless otherwise noted. Typical values are at T
IN
R
R
V
I
V
LIMIT
t
ON, P
ON, N
V
I
OFF
I
OUT
+ I
REF
FB
IM
IN
CC
I
for MAX1742,
I
for MAX1842,
V
V
FBSEL = GND
I
I
MAX1742
MAX1842
MAX1742
MAX1842
V
V
R
LOAD
LOAD
LX
LX
FB
IN
FB
FB
TOFF
= 0.5A
= 0.5A
= V
= V
= 1.2V
= 1.2V
= 0 to 1A
= 0 to 2.5A
= 110kΩ
CC
OUT
= 3V to 5.5V, I
CONDITIONS
V
FBSEL = V
FBSEL = unconnected
FBSEL = REF
FBSEL = GND
V
V
V
V
IN
IN
IN
IN
IN
LOAD
= 3V to 5.5V,
= 4.5V
= 3V
= 4.5V
= 3V
= 0,
CC
2.475
1.485
1.782
1.078
1.078
V
MIN
0.05
0.85
3.0
1.2
2.9
0.2
REF
0
A
= +25°C.) (Note 3)
2.575
1.545
1.854
1.122
1.122
MAX
0.55
1.15
200
250
150
200
600
300
V
5.5
1.8
4.3
1.0
IN
UNITS
mΩ
µA
nA
µs
V
V
V
V
A