Extended Operating Temperature Range .........-40°C to +105°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature ....................................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
IN
= 12V, V
DD
= V
CC
= V
EN1
= V
EN2
= 5V, V
REFIN1
= 2V,
SKIP
= GND,
T
A
= 0 to +85°C,
unless otherwise noted. Typical values are
at T
A
= +25°C.)
PARAMETER
PWM CONTROLLER
Input Voltage Range
Quiescent Supply Current
(V
DD
, V
CC
)
Shutdown Supply Current
(V
DD
, V
CC
)
V
IN
I
DD
+ I
CC
I
SHDN
Output forced above regulation voltage,
V
EN1
= V
EN2
= 5V
EN1 = EN2 = GND, T
A
= +25°C
V
IN
= 12V,
V
CSL1
= V
CSL2
=
V
CCI
= 1.2V,
separate or
combined mode
(Note 1)
EN1 = EN2 = GND, V
TON1
= V
TON2
= 26V,
V
DD
= 0 or 5V, T
A
= +25°C
(Note 2)
Adjustable mode
Preset mode
Combined mode
1.7
3.8
3.8
I
REFIN1
,
I
FB2
V
CSL1
SMPS1 Voltage Accuracy
V
CSL1
-
V
REFIN1
REFIN1 = 0.5V to 2V;
V
FB2
= 0.7V, T
A
= +25°C
Measured at CSL1, REFIN1 = V
CC
,
V
IN
= 2V to 26V,
SKIP
= V
CC
(Note 2)
REFIN1 = 500mV,
SKIP
= V
CC
T
A
= +25°C
T
A
= 0°C to +85°C
-0.1
1.043
-12
-20
-20
1.05
V
CC
-
1V
V
CC
-
1V
0
0.7
2.3
V
CC
-
0.4
V
CC
-
0.4
+0.1
1.057
+12
+20
+20
mV
R
TON1
= R
TON2
=
97.5k (600kHz)
R
TON1
= R
TON2
=
200k (300kHz)
R
TON1
= R
TON2
=
302.5k (200kHz)
142
(-15%)
305
(-10%)
425
(-15%)
4.5
1.7
0.1
174
336
500
250
0.01
26
2.5
5
194
(+15%)
368
(+10%)
575
(+15%)
400
1
V
REF
ns
µA
V
V
V
V
V
µA
V
ns
V
mA
µA
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
On-Time (Note 1)
t
ON1
, t
ON2
Minimum Off-Time
TON1, TON2, Shutdown Supply
Current
REFIN1 Voltage Range
FB2 Regulation Voltage
FB2 Input Voltage Range
FB2 Combined-Mode Threshold
REFIN1 Dual Mode™
Switchover Threshold
REFIN1, FB2 Bias Current
t
OFF(MIN)
I
TON1
,
I
TON2
V
REFIN1
V
FB2
REFIN1 = 2V,
SKIP
= V
CC
Dual Mode is a trademark of Maxim Integrated Products, Inc.
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