MAX17000A Maxim Integrated Products, MAX17000A Datasheet - Page 7

• Manufacturer Part Number: MAX17000A
• Description: Complete DDR2 and DDR3 Memory Power-Management Solution
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
(Note 1)
Note 1: Limits are 100% production tested at T
Note 2: On-time and off-time specifications are measured from 50% point at the DH pin with LX = GND, V
REFERENCE BUFFER (VTTR)
VTTR Output Accuracy (Adj)
VTTR Output Accuracy (Preset)
FAULT DETECTION (SMPS)
PGOOD1 Output Low Voltage
FAULT DETECTION (VTT)
PGOOD2 Output Low Voltage
FAULT DETECTION
V
Threshold
CURRENT LIMIT
Valley Current-Limit Threshold
SMPS GATE DRIVERS
DH Gate-Driver On-Resistance
DL Gate-Driver On-Resistance
Dead Time
INPUTS AND OUTPUTS
Logic-Input Threshold
IN
CC
= 12V, V
Undervoltage-Lockout
and characterization.
capacitor connected from DH to LX. Actual in-circuit times might differ due to MOSFET switching speeds.
PARAMETER
CC
= V
DD
_______________________________________________________________________________________
= V
SHDN
= V
REFIN
Complete DDR2 and DDR3 Memory
SYMBOL
V
UVLO(VCC)
V
t
DEAD
R
R
LIMIT
DH
DL
= 5V, V
A
= +25°C. Maximum and minimum limits over temperature are guaranteed by design
CSL
REFIN to VTTR
V
I
I
Rising edge, IC disabled below this level;
hysteresis = 200mV
V
BST - LX forced to 5V
DL high
DL low
DL rising
DL falling
hysteresis = 300mV/600mV (min/max)
SINK
SINK
CSL
CSH
Power-Management Solution
= 1.8V, STDBY = SKIP = AGND, T
/2 to VTTR
= 3mA
= 3mA
- V
,
CSL
,
CONDITIONS
OVP, rising edge
I
I
I
I
VTT
VTT
VTT
VTT
= ±1mA
= ±3mA
= ±1mA
= ±3mA
A
= -40°C to +85°C, unless otherwise noted.)
MIN
-10
-20
-10
-20
4.0
1.3
15
10
15
BST
= 5V, and a 250pF
MAX
+10
+20
+10
+20
0.4
0.4
4.4
25
5
5
3
2
UNITS
mV
mV
mV
ns
V
V
V
V
7