MAX17000(2011) 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
MAX17000 Datasheet PDF : 32 Pages
| |||
Complete DDR2 and DDR3 Memory
Power-Management Solution
ELECTRICAL CHARACTERISTICS
(VIN = 12V, VCC = VDD = VSHDN = VREFIN = 5V, VCSL = 1.8V, STDBY = SKIP = AGND, TA = -40°C to +85°C, unless otherwise noted.)
(Note 1)
PARAMETER
PWM CONTROLLER
Input Voltage Range
Output Voltage Accuracy
On-Time Accuracy (Note 2)
Minimum Off-Time
Quiescent Supply Current (VCC)
SYMBOL
CONDITIONS
VIN
VCC, VDD
VCSL
tON
tOFF(MIN)
ICC
VIN = 4.5V to 26V,
SKIP = VCC
VIN = 12V,
VCSL = 1.2V
FB = AGND
FB = VCC
FB = Adj
RTON = 96.75k
(600kHz), 167ns
nominal
RTON = 200k
(300kHz), 333ns
nominal
RTON = 303.25k
(200kHz), 500ns
nominal
(Note 2)
FB forced above 1.0V (PWM, VTT, and
VTTR blocks); STDBY = VCC
FB forced above 1.0V (ultra-skip and
VTTR blocks); STDBY = AGND
MIN
3
4.5
1.485
1.782
0.990
-15
-10
-15
MAX UNITS
26
V
5.5
1.520
1.820
V
1.020
+15
+10
%
+15
350
ns
4
mA
475
µA
LINEAR REGULATOR (VTT)
VTTI Input Voltage Range
VTTI Supply Current
REFIN Range
REFIN Disable Threshold
VVTTI
IVTTI
VREFIN
VVTTI = 2.5V, VREFIN = 1.4V
1.0
0.5
VCC -
0.3
2.8
V
50
µA
1.5
V
V
VTT Internal MOSFET
VTT Load Regulation
High-side on-resistance (source, IVTT = 0.1A)
Low-side on-resistance (sink, IVTT = 0.1A)
-50µA to -1A IVTT +50µA to +1A
0.25
0.36
17
mV/A
6 _______________________________________________________________________________________
Share Link: 