Rainbow Electronics MAX17000 User Manual
Page 2
MAX17000
Complete DDR2 and DDR3 Memory
Power-Management Solution
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN
= 12V, V
CC
= V
DD
= V
SHDN
= V
REFIN
= 5V, V
CSL
= 1.8V, STDBY = SKIP = AGND, T
A
= 0°C to +85°C, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
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.
TON to PGND1 .......................................................-0.3V to +28V
V
DD
to PGND1..........................................................-0.3V to +6V
V
CC
to V
DD
............................................................-0.3V to +0.3V
OVP to AGND ...........................................................-0.3V to +6V
SHDN, STDBY, SKIP to AGND .................................-0.3V to +6V
REFIN, FB, PGOOD1,
PGOOD2 to AGND ................................-0.3V to (V
CC
+ 0.3V)
CSH, CSL to AGND ....................................-0.3V to (V
CC
+ 0.3V)
DL to PGND1..............................................-0.3V to (V
DD
+ 0.3V)
BST to PGND1...........................................................-1V to +34V
BST to LX..................................................................-0.3V to +6V
DH to LX ....................................................-0.3V to (V
BST
+ 0.3V)
BST to V
DD
.............................................................-0.3V to +26V
VTTI to PGND2 .........................................................-0.3V to +6V
VTT to PGND2 ............................................-0.3V to (V
TTI
+ 0.3V)
VTTS to AGND............................................-0.3V to (V
CC
+ 0.3V)
VTTR to AGND ..........................................-0.3V to (V
CSL
+ 0.3V)
PGND1, PGND2 to AGND.....................................-0.3V to +0.3V
Continuous Power Dissipation (T
A
= +70°C)
24-Pin, 4mm x 4mm Thin QFN
(derated 27.8mW/°C above +70°C) ..........................2222mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLER
V
IN
3
26
Input Voltage Range
V
CC
, V
DD
4.5
5.5
V
FB = AGND
1.485
1.500
1.515
FB = V
CC
1.782
1.800
1.818
Output Voltage Accuracy
V
CSL
V
IN
= 4.5V to 26V,
SKIP = V
CC
FB = Adj
0.99
1.000
1.01
V
Output Voltage Range
V
CSL
1
2.7
V
Load Regulation Error
V
CSH
- V
CSL
= 0mV to 18mV,
SKIP = V
CC
0.1
%
Line Regulation Error
V
DD
= 4.5V to 5.5V, V
IN
= 4.5V to 26V
0.25
%
Soft-Start Ramp Time
t
SSTART
Rising edge of
SHDN
1.4
2.1
ms
Soft-Stop Ramp Time
t
SSTOP
Falling edge of
SHDN
2.8
ms
Soft-Stop Threshold
25
mV
R
TON
= 96.75k
Ω
(600kHz), 167ns nominal
-15
+15
R
TON
= 200k
Ω (300kHz),
333ns nominal
-10
+10
On-Time Accuracy (Note 2)
t
ON
V
IN
= 12V,
V
CSL
= 1.2V
R
TON
= 303.25k
Ω
(200kHz), 500ns nominal
-15
+15
%