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| 型号： | TPS51916EVM-746 |
| 厂商： | Texas Instruments |
| 文件页数： | 4/34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： | 板 |
| 已用 IC / 零件： | TPS51916 |
| 其它名称： | 296-30054 TPS51916EVM-746-ND |
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TPS51916
SLUSAE1D – DECEMBER 2010 – REVISED JUNE 2012
ELECTRICAL CHARACTERISTICS
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
SUPPLY CURRENT
I V5IN(S0)
I V5IN(S3)
I V5INSDN
I VLDOIN(S0)
I VLDOIN(S3)
I VLDOINSDN
V5IN supply current, in S0
V5IN supply current, in S3
V5IN shutdown current
VLDOIN supply current, in S0
VLDOIN supply current, in S3
VLDOIN shutdown current
T A = 25°C, No load, V S3 = V S5 = 5 V
T A = 25°C, No load, V S3 = 0 V, V S5 = 5 V
T A = 25°C, No load, V S3 = V S5 = 0 V
T A = 25°C, No load, V S3 = V S5 = 5 V
T A = 25°C, No load, V S3 = 0 V, V S5 = 5 V
T A = 25°C, No load, V S3 = V S5 = 0 V
590
500
1
5
5
5
μ A
μ A
μ A
μ A
μ A
μ A
VREF OUTPUT
I VREF = 30 μ A, T A = 25°C
1.8000
V VREF
Output voltage
0 μ A ≤ I VREF <300 μ A, T A = –10°C to 85°C
1.7856
1.8144
V
0 μ A ≤ I VREF <300 μ A, T A = –40°C to 85°C
1.7820
1.8180
I VREFOCL
Current limit
V VREF = 1.7 V
0.4
0.8
mA
VTTREF OUTPUT
V VTTREF
Output voltage
V VDDQSNS /2
V
V VTTREF
Output voltage tolerance to V VDDQ
|I VTTREF | <100 μ A, 1.2 V ≤ V VDDQSNS ≤ 1.8 V
|I VTTREF | <10 mA, 1.2 V ≤ V VDDQSNS ≤ 1.8 V
49.2%
49%
50.8%
51%
I VTTREFOCLSRC
I VTTREFOCLSNK
I VTTREFDIS
Source current limit
Sink current limit
VTTREF discharge current
V VDDQSNS = 1.8 V, V VTTREF = 0 V
V VDDQSNS = 1.8 V, V VTTREF = 1.8 V
T A = 25°C, V S3 = V S5 = 0 V, V VTTREF = 0.5 V
10
10
0.8
18
17
1.3
mA
mA
mA
VTT OUTPUT
V VTT
Output voltage
|I VTT | ≤ 10 mA, 1.2 V ≤ V VDDQSNS ≤ 1.8 V, I VTTREF = 0 A
–20
V VTTREF
20
V
V VTTTOL
Output voltage tolerance to VTTREF
|I VTT | ≤ 1 A, 1.2 ≤ V VDDQSNS ≤ 1.8 V, I VTTREF = 0 A
|I VTT | ≤ 2 A, 1.4 V ≤ V VDDQSNS ≤ 1.8 V, I VTTREF = 0 A
–30
–40
30
40
mV
|I VTT | ≤ 1.5 A, 1.2 V ≤ V VDDQSNS ≤ 1.4 V, I VTTREF = 0 A
–40
40
I VTTOCLSRC
I VTTOCLSNK
I VTTLK
Source current limit
Sink current limit
Leakage current
V VDDQSNS = 1.8 V, V VTT = V VTTSNS = 0.7 V, I VTTREF = 0 A
V VDDQSNS = 1.8V, V VTT = V VTTSNS = 1.1 V, I VTTREF = 0 A
T A = 25°C , V S3 = 0 V, V S5 = 5 V, V VTT = V VTTREF
2
2
3
3
5
A
I VTTSNSBIAS
I VTTSNSLK
I VTTDIS
VTTSNS input bias current
VTTSNS leakage current
VTT Discharge current
V S3 = 5 V, V S5 = 5 V, V VTTSNS = V VTTREF
V S3 = 0 V, V S5 = 5 V, V VTTSNS = V VTTREF
T A = 25°C, V S3 = V S5 = 0 V, V VDDQSNS = 1.8 V,
V VTT = 0.5 V, I VTTREF = 0 A
–0.5
–1
0.0
0
7.8
0.5
1
μ A
mA
VDDQ OUTPUT
V VDDQSNS
VDDQ sense voltage
V REFIN
V VDDQSNSTOL
I VDDQSNS
VDDQSNS regulation voltage
tolerance to REFIN
VDDQSNS input current
T A = 25°C
V VDDQSNS = 1.8 V
–3
39
3
mV
μ A
I REFIN
I VDDQDIS
I VLDOINDIS
REFIN input current
VDDQ discharge current
VLDOIN discharge current
V REFIN = 1.8 V
V S3 = V S5 = 0 V, V VDDQSNS = 0.5 V, MODE pin pulled
down to GND through 47k Ω (Non-tracking)
V S3 = V S5 = 0 V, V VDDQSNS = 0.5 V, MODE pin pulled
down to GND through 100k Ω (Non-tracking)
–0.1
0.0
12
1.2
0.1
μ A
mA
A
SWITCH MODE POWER SUPPLY (SMPS) FREQUENCY
V IN = 12 V, V VDDQSNS = 1.8 V, R MODE = 100 k Ω
300
f SW
VDDQ switching frequency
V IN = 12 V, V VDDQSNS = 1.8 V, R MODE = 200 k Ω
V IN = 12 V, V VDDQSNS = 1.8 V, R MODE = 1 k Ω
400
500
kHz
V IN = 12 V, V VDDQSNS = 1.8 V, R MODE = 12 k Ω
670
t ON(min)
t OFF(min)
Minimum on time
Minimum off time
DRVH rising to falling (1)
DRVH falling to rising
200
60
320
450
ns
(1)
Ensured by design. Not production tested.
4
Copyright ? 2010–2012, Texas Instruments Incorporated
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