MAX1917EEE Maxim Integrated Products, MAX1917EEE Datasheet - Page 5

• Manufacturer Part Number: MAX1917EEE
• Description: Other Power Management
• Manufacturer: Maxim Integrated Products

Specifications of MAX1917EEE

• Case: ssop
• Dc: 03+
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V+ = 12V, V
BST = VL. Specifications are for T
Reference UVLO
VTTR
VTTR Output Voltage Range
VTTR Output Accuracy
OSCILLATOR
On Time (Note 1)
Minimum Off Time (Note 1)
CURRENT LIMIT
Current-Limit Threshold
(Positive Direction)
Current-Limit Threshold
(Negative Direction)
VL REGULATOR
Output Voltage
RMS Output Current
Bypass Capacitor
FSEL LOGIC
Logic Input Current
Logic GND Level
Logic REF Level
Logic Float Level
Logic VL Level
EN/HSD LOGIC
EN/HSD Shutdown Current
Logic High
Logic Low
POWER-OK OUTPUT
Upper VTT Threshold
Lower VTT Threshold
Controller for DDR Memory and Termination Supplies
Tracking, Sinking and Sourcing, Synchronous Buck
PARAMETER
EN/HSD
_______________________________________________________________________________________
= V
DDR
= 2.5V, C
A
= -40°C to +85°C, unless otherwise specified.) (Note 2)
V+ = VL = 5V
I
I
I
FSEL = VL
FSEL not connected
FSEL = REF
FSEL = GND
LX to PGND, ILIM = VL
LX to PGND, R
LX to PGND, R
LX to PGND, ILIM = VL, with percentage of positive
current-limit threshold
5.5V < V+ < 14V; 1mA < I
ESR < 100mΩ
FSEL = VREF
FSEL floating
FSEL = VL
I
VL = V+ = 4.5V to 5.5V, 100mV hysteresis
VL = V+ = 4.5V to 5.5V
VTTR
VTTR
VTTR
EN/HSD
VL
= -5mA to +5mA
= -25mA to +25mA, V
= -25mA to +25mA, V
= 4.7µF, C
for V
EN/HSD
ILIM
ILIM
VTTR
= 100kΩ
= 400kΩ
= 0.8V
CONDITIONS
= 1µF, C
VL
DDR
DDR
< 35mA
REF
= 1.8V
= 3.6V
= 0.22µF, V
FSEL
= 0, ILIM = VL, PGND = LX = POK = GND,
VL - 0.4
49.5
49.5
2.18
1.45
1.09
0.82
1.65
3.15
1.45
MIN
160
110
-90
1.5
4.8
2.2
0.5
49
85
35
86
0
TYP
MAX
50.5
50.5
2.83
1.89
1.41
1.00
-130
2.35
3.85
400
110
230
114
1.7
1.8
5.2
0.5
3.0
0.8
51
60
35
90
3
%V
%V
%V
UNITS
mV
mA
µA
µA
µs
ns
µF
/2
/2
%
V
V
DDR
V
V
V
V
V
V
V
DDR
DDR
5