MAX1519/MAX1545
Dual-Phase, Quick-PWM Controllers for
Programmable CPU Core Power Supplies
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
to GND..............................................................-0.3V to +6V
V
DD
to PGND............................................................-0.3V to +6V
SKIP, SUS, D0–D4 to GND.......................................-0.3V to +6V
ILIM, FB, OFS, CCV, CCI, REF, OAIN+,
OAIN- to GND.........................................-0.3V to (V
CC
+ 0.3V)
CMP, CSP, CMN, CSN, GNDS to GND ......-0.3V to (V
CC
+ 0.3V)
TON, TIME, VROK, S0–S1, CODE to GND.-0.3V to (V
CC
+ 0.3V)
SHDN to GND (Note 1)...........................................-0.3V to +18V
DLM, DLS to PGND....................................-0.3V to (V
DD
+ 0.3V)
BSTM, BSTS to GND ..............................................-0.3V to +36V
DHM to LXM ...........................................-0.3V to (V
BSTM
+ 0.3V)
LXM to BSTM............................................................-6V to +0.3V
DHS to LXS..............................................-0.3V to (V
BSTS
+ 0.3V)
LXS to BSTS .............................................................-6V to +0.3V
GND to PGND .......................................................-0.3V to +0.3V
REF Short-Circuit Duration .........................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
40-Pin 6mm
✕ 6mm Thin QFN
(derate 23.2mW/°C above +70°C)...............................1.860W
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
= V
SHDN
= V
TON
= V
SKIP
= V
S0
= V
S1
= V
CODE
= 5V, V
FB
= V
CMP
= V
CMN
= V
CSP
= V
CSN
= 1.3V, OFS = SUS = GNDS = D0–D4 = GND; T
A
= 0°C to +85°C, unless otherwise specified. Typical values are at T
A
= +25°C.)
(12 paginas)
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