参数资料
型号: TPS51916EVM-746
厂商: Texas Instruments
文件页数: 5/34页
文件大小: 0K
描述: EVAL MODULE FOR TPS51916-746
标准包装: 1
系列: D-Cap™, D-Cap2™
主要目的: 特殊用途 DC/DC,DDR 存储器电源
输出及类型: 1,非隔离
输出电压: 1.2 V ~ 1.5 V
电流 - 输出: 20A
输入电压: 8 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: TPS51916
其它名称: 296-30054
TPS51916EVM-746-ND
TPS51916
SLUSAE1D – DECEMBER 2010 – REVISED JUNE 2012
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, V V5IN = 5 V, VLDOIN is connected to VDDQ output, V MODE = 0 V, V S3 = V S5 = 5 V
(unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
VDDQ MOSFET DRIVER
R DRVH
R DRVL
t DEAD
DRVH resistance
DRVL resistance
Dead time
Source, I DRVH = –50 mA
Sink, I DRVH = 50 mA
Source, I DRVL = –50 mA
Sink, I DRVL = 50 mA
DRVH-off to DRVL-on
DRVL-off to DRVH-on
1.6
0.6
0.9
0.5
10
20
3.0
1.5
2.0
1.2
Ω
ns
INTERNAL BOOT STRAP SW
V FBST
I VBSTLK
Forward Voltage
VBST leakage current
V V5IN-VBST , T A = 25°C, I F = 10 mA
T A = 25°C, V VBST = 33 V, V SW = 28 V
0.1
0.01
0.2
1.5
V
μ A
LOGIC THRESHOLD
I MODE
MODE source current
MODE 0-1
MODE 1-2
MODE 2-3
14
109
235
392
15
129
255
412
16
149
275
432
μ A
V THMODE
MODE threshold voltage
MODE 3-4
580
600
620
mV
V IL
S3/S5 low-level voltage
MODE 4-5
MODE 5-6
MODE 6-7
829
1202
1760
854
1232
1800
879
1262
1840
0.5
V IH
V IHYST
S3/S5 high-level voltage
S3/S5 hysteresis voltage
1.8
0.25
V
I ILK
S3/S5 input leak current
–1
0
1
μ A
SOFT START
t SS
VDDQ soft-start time
Internal soft-start time, C VREF = 0.1 μ F,
S5 rising to V VDDQSNS > 0.99 × V REFIN
1.1
ms
PGOOD COMPARATOR
PGOOD in from higher
106%
108%
110%
V THPG
I PG
VDDQ PGOOD threshold
PGOOD sink current
PGOOD in from lower
PGOOD out to higher
PGOOD out to lower
V PGOOD = 0.5 V
90%
114%
82%
3
92%
116%
84%
5.9
94%
118%
86%
mA
t PGDLY
t PGSSDLY
PGOOD delay time
PGOOD start-up delay
Delay for PGOOD in
Delay for PGOOD out, with 100 mV over drive
C VREF = 0.1 μ F, S5 rising to PGOOD rising
0.8
1
330
2.5
1.2
ms
ns
ms
Copyright ? 2010–2012, Texas Instruments Incorporated
5
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