
M
Quick-PWM Slave Controller with
Driver Disable for Multiphase DC-DC Converter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
V+ to GND..............................................................-0.3V to +30V
V
CC
, V
DD
to GND .....................................................-0.3V to +6V
PGND to GND.....................................................................±0.3V
TRIG, LIMIT to GND .................................................-0.3V to +6V
DD
to GND ...............................................................-0.3V to +6V
ILIM, CM+, CM-, CS+, CS-, COMP
to GND....................................................-0.3V to (V
CC
+ 0.3V)
TON, POL to GND......................................-0.3V to (V
CC
+ 0.3V)
DL to PGND................................................-0.3V to (V
DD
+ 0.3V)
BST to GND............................................................-0.3V to +36V
DH to LX....................................................-0.3V to (V
BST
+ 0.3V)
LX to BST..................................................................-6V to +0.3V
Continuous Power Dissipation (T
A
= +70
°
C)
20-Pin QFN (derate 20.0mW/
°
C above +70
°
C) .............1.60W
Operating Temperature Range .........................-40
°
C to +100
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, V
CC
= V
DD
= 5V, V
OUT
= V
COMP
= 1.2V, V
CM+
= V
CM-
= V
CS+
= V
CS-
= 1.2V,
DD
= V
CC
,
T
A
= 0°C to
+85°C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLER
Battery voltage, V+
V
CC
, V
DD
4.0
4.5
171
320
464
28
5.5
209
390
566
Input Voltage Range
V
TON = GND
TON = open
TON = V
CC
190
355
515
75
On-Time (Note 1)
t
ON
V+ = 12V,
V
COMP
= 1.2V
ns
Trigger Delay (Note 2)
SUPPLY CURRENTS
Quiescent Supply Current (V+)
Quiescent Supply Current (V
DD
)
Quiescent Supply Current (V
CC
)
Standby Supply Current (V+)
Standby Supply Current (V
DD
)
Standby Supply Current (V
CC
)
D ver D sab e S up p y C ur ent ( V +
t
TRIG
ns
I+
I
DD
I
CC
Measured at V+; V
ILIM
> 0.35V
Measured at V
DD
; V
ILIM
> 0.35V
Measured at V
CC
; V
ILIM
> 0.35V
Measured at V+; ILIM = GND
Measured at V
DD
; ILIM = GND
Measured at V
CC
; ILIM = GND
Measured at V+;
DD
= GND, V
ILIM
> 0.35V
25
<1
525
<1
<1
20
25
40
5
800
5
5
40
40
μA
μA
μA
μA
μA
μA
μA
Driver-Disable Supply Current
(V
DD
)
Measured at V
DD
;
DD
= GND, V
ILIM
> 0.35V
<1
5
μA
Driver-Disable Supply Current
(V
CC
)
Measured at V
CC
;
DD
= GND, V
ILIM
> 0.35V
525
800
μA