参数资料
型号: MAX17000ETG+
厂商: Maxim Integrated Products
文件页数: 3/32页
文件大小: 0K
描述: IC PWM CTLR DDR/DDR2/DDR3 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
系列: Quick-PWM™
应用: 存储器,DDR2/DDR3 稳压器
电流 - 电源: 2mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 管件
MAX17000
Complete DDR2 and DDR3 Memory
Power-Management Solution
ELECTRICAL CHARACTERISTICS (continued)
(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)
PARAMETER
Minimum Off-Time
Quiescent Supply Current (V DD )
Quiescent Supply Current (V CC )
Shutdown Supply Current
(V DD + V CC )
TON Pin Shutdown Current
SYMBOL
t OFF(MIN)
I DD
I CC
I CC + I DD
I TON
CONDITIONS
(Note 2)
FB forced above 1.0V, STDBY = AGND or
V CC, T A = +25°C
FB forced above 1.0V (SMPS, VTT, and
VTTR blocks); STDBY = V CC
FB forced above 1.0V (ultra-skip and VTTR
blocks); STDBY = AGND
SHDN = AGND, T A = +25°C
SHDN = AGND, V IN = 26V, V DD = 0 or 5V,
T A = +25°C
MIN
TYP
250
0.01
2
275
0.01
0.01
MAX
350
1.00
4
475
5
1.00
UNITS
ns
μA
mA
μA
μA
μA
LINEAR REGULATOR (VTT)
VTTI Input Voltage Range
V TTI
1.0
2.8
V
VTTI Supply Current
VTTI Shutdown Current
I VTTI
V VTTI = 2.5V, V REFIN = 1.4V
SHDN = AGND, T A = +25°C
10
50
10
μA
μA
REFIN Input Bias Current
REFIN Range
REFIN Disable Threshold
VTT Internal MOSFET
V REFIN
V VTTI = 2.5V, V REFIN = 1.4V
High-side on-resistance
(source, I VTT = 0.1A)
Low-side on-resistance (sink, I VTT = 0.1A)
-50
0.5
V CC -
0.3
0.12
0.18
+50
1.5
0.25
0.36
nA
V
V
VTT Output-Accuracy
Source Load
VTT Output-Accuracy
Sink Load
(V REFIN - 5mV) or
(V CSL /2 - 5mV) to
VTTS, VTT = VTTS
(V REFIN + 5mV) or
(V CSL /2 + 5mV) to
VTTS, VTT = VTTS
V REFIN = 1V,
I VTT = +50 μA
V REFIN = 0.5V to 1.5V,
I VTT = +300mA
V REFIN = 1V,
I VTT = -50 μA
V REFIN = 0.5V to 1.5V,
I VTT = -300mA
-5
-5
-5
+5
+5
+5
mV
mV
VTT Load Regulation
-50μA to -1A
I VTT
+50 μA to +1A
13
17
mV/A
VTT Line Regulation
1.0V
V TTI
2.8V, I VTT = ±100mA
1
mV
VTT Current Limit
VTT Current-Limit Soft-Start Time
VTT Discharge MOSFET
Source
Sink
With respect to internal VTT_EN signal
OVP = V CC
2
-4
160
16
4
-2
A
μs
VTTS Input Current
T A = +25°C
0.1
1.0
μA
Maxim Integrated
3
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