Electrical characteristics (continued), Electrical characteristics – Rainbow Electronics MAX17008 User Manual
Page 5
MAX17007A/MAX17008
Dual and Combinable QPWM Graphics
Core Controllers for Notebook Computers
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(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 SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DL_ falling, C
DL
= 3nF
10
20
DL_ Transition Time
DL_ rising, C
DL
= 3nF
10
20
ns
DH_ falling, C
DH
= 3nF
10
20
DH_ Transition Time
DH_ rising, C
DH
= 3nF
10
20
ns
Internal BST_ Switch
On-Resistance
R
BST_
I
BST_
= 10mA, V
DD
= 5V
6.5
11.0
INPUTS AND OUTPUTS
EN1, EN2 Logic-Input Threshold
EN1, EN2 rising edge,
hysteresis = 300mV/600mV (min/max)
1.20 1.70 2.20 V
Logic-Input Current
EN1, EN2, T
A
= +25°C
-0.5
+0.5
μA
High (5V)
V
CC
-
0.3
Open (3.3V)
3.0
3.6
Ref (2.0V)
1.7
2.3
Quad-Level Input-Logic Levels
SKIP, ILIM1, ILIM2
Low (GND)
0.4
V
Quad-Level Logic-Input Current
SKIP, ILIM1, ILIM2 forced to GND or V
CC
,
T
A
= +25°C
-2 +2
μA
ELECTRICAL CHARACTERISTICS
(V
IN
= 12V, V
DD
= V
CC
= V
EN1
= V
EN2
= 5V, V
REFIN1
= 2V, SKIP = GND, T
A
= -40°C to +105°C, unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
PWM CONTROLLER
Input Voltage Range
V
IN
4.5
26
V
Quiescent Supply Current
(V
DD
, V
CC
)
I
DD
+ I
CC
Output forced above regulation voltage,
V
EN1
= V
EN2
= 5V
2.5
mA
R
TON1
= R
TON2
=
97.5k
(600kHz)
142 194
R
TON1
= R
TON2
=
200k
(300kHz)
305 368
On-Time (Note 1)
t
ON1
,
t
ON2
V
IN
= 12V,
V
CSL1
= V
CSL2
=
V
CCI
= 1.2V,
separate or
combined mode
R
TON1
= R
TON2
=
302.5k
(200kHz)
425 575
ns
Minimum Off-Time
t
OFF(MIN)
(Note
1)
400
ns
REFIN1 Voltage Range
V
REFIN1
0
V
REF
V
FB2 Input Voltage Range
Preset mode
1.7
2.3
V
FB2 Combined-Mode Threshold
Combined mode
3.75
V
CC
-
0.4
V
REFIN1, FB2 Bias Current
I
REFIN1
,
I
FB2
-0.1
+0.1
μA