MAX17000ETG(2011) 查看數據表（PDF） - Maxim Integrated
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MAX17000ETG Datasheet PDF : 32 Pages
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Complete DDR2 and DDR3 Memory
Power-Management Solution
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 12V, VCC = VDD = VSHDN = VREFIN = 5V, VCSL = 1.8V, STDBY = SKIP = AGND, TA = 0°C to +85°C, unless otherwise noted.
Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Minimum Off-Time
Quiescent Supply Current (VDD)
tOFF(MIN)
IDD
(Note 2)
FB forced above 1.0V, STDBY = AGND or
VCC, TA = +25°C
250 350
ns
0.01 1.00
µA
Quiescent Supply Current (VCC)
FB forced above 1.0V (SMPS, VTT, and
VTTR blocks); STDBY = VCC
ICC
FB forced above 1.0V (ultra-skip and VTTR
blocks); STDBY = AGND
2
4
mA
275 475
µA
Shutdown Supply Current
(VDD + VCC)
TON Pin Shutdown Current
LINEAR REGULATOR (VTT)
VTTI Input Voltage Range
VTTI Supply Current
VTTI Shutdown Current
REFIN Input Bias Current
REFIN Range
REFIN Disable Threshold
ICC + IDD SHDN = AGND, TA = +25°C
ITON
SHDN = AGND, VIN = 26V, VDD = 0 or 5V,
TA = +25°C
0.01
5
µA
0.01 1.00
µA
VTTI
IVTTI
VREFIN
VVTTI = 2.5V, VREFIN = 1.4V
SHDN = AGND, TA = +25°C
VVTTI = 2.5V, VREFIN = 1.4V
1.0
2.8
V
10
50
µA
10
µA
-50
+50
nA
0.5
1.5
V
VCC -
V
0.3
VTT Internal MOSFET
VTT Output-Accuracy
Source Load
High-side on-resistance
(source, IVTT = 0.1A)
0.12 0.25
Low-side on-resistance (sink, IVTT = 0.1A)
0.18 0.36
(VREFIN - 5mV) or
VREFIN = 1V,
IVTT = +50µA
-5
(VCSL/2 - 5mV) to
VTTS, VTT = VTTS VREFIN = 0.5V to 1.5V,
IVTT = +300mA
+5
mV
-5
VTT Output-Accuracy
Sink Load
VTT Load Regulation
VTT Line Regulation
VTT Current Limit
VTT Current-Limit Soft-Start Time
VTT Discharge MOSFET
VTTS Input Current
VREFIN = 1V,
(VREFIN + 5mV) or IVTT = -50µA
-5
(VCSL/2 + 5mV) to
VTTS, VTT = VTTS VREFIN = 0.5V to 1.5V,
IVTT = -300mA
-50µA to -1A IVTT +50µA to +1A
1.0V VTTI 2.8V, IVTT = ±100mA
Source
2
Sink
-4
With respect to internal VTT_EN signal
OVP = VCC
TA = +25°C
+5
mV
+5
13
17
mV/A
1
mV
4
A
-2
160
µs
16
0.1
1.0
µA
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