MAX1842EEE Maxim Integrated Products, MAX1842EEE Datasheet - Page 6

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MAX1842EEE

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

Specifications of MAX1842EEE

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

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1A/2.7A, 1MHz, Step-Down Regulators with
Synchronous Rectification and Internal Switches
(Circuit of Figure 1, T
6
_______________________________________________________________________________________
I
OUT
= 1A, V
LINE-TRANSIENT RESPONSE
STARTUP AND SHUTDOWN
A
= +25°C, unless otherwise noted.)
OUT
= 1.5V, R
MAX1742
MAX1742
20μs/div
1ms/div
TOFF
= 100kΩ, L = 6μH
MAX1742 toc08
MAX1742 toc06
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0A
0V
0V
0V
Typical Operating Characteristics (continued)
0
0V
V
2V/div
V
20mV/div
AC-COUPLED
INPUT
OUTPUT
0
I
1A/div
V
5V/div
V
2V/div
V
1V/div
INPUT
SS
SHDN
OUTPUT
50
100 150 200
OFF-TIME vs. R
R
TOFF
250 300 350
(kΩ)
TOFF
400
500
450
400
350
300
250
200
150
100
50
0
450
0
500
LOAD-TRANSIENT RESPONSE
1
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
2
MAX1742
10μs/div
V
SHUTDOWN
IN
3
(V)
4
NO LOAD
MAX1742 toc07
MAX1742 toc09
5
6
0V
100
90
80
70
60
50
40
30
20
10
0
V
AC-COUPLED,
50mV/div
I
0.5A/div
L
OUTPUT

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