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參數(shù)資料
| 型號： | TPS5300DAP |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 231K |
| 代理商： | TPS5300DAP |
TPS5300
IMVP MOBILE POWER SUPPLY CONTROLLER
SLVS334 – DECEMBER 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, 0 < T
J
< 125
°
C,
V
IN
= 4.3 V – 28 V (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PSM/LATCH Power Saving Mode (PSM Comparator)
V(startINH)
PSM comparator start threshold
V(stopINH)
PSM comparator stop threshold
V(PSMth1)
V(PSMth2)
V(PSMth3)
V(PSMth4)
2.1
2.3
V
1.8
V
Sweep OCP through thresholds
54
60
66
39
45
51
mV
OCP voltage trip points for PSM
24
30
36
9
15
21
R(tPSM1)
PH to Ct, PSM = GND,
V(IS+) – V(IS–) = 60 mV
(see Note 3)
5.3
6.67
8
R(tPSM2)
PSM ramp timing resistance
PH to Ct, PSM = GND,
V(IS+) – V(IS–) = 45 mV
(see Note 3)
8
10
12
k
R(tPSM3)
PH to Ct, PSM = GND,
V(IS+) – V(IS–) = 30 mV
(see Note 3)
16
20
24
R(tPSM4)
PH to Ct, PSM = GND,
V(IS+) – V(IS–) = 15 mV
(see Note 3)
1
M
PSM/LATCH Fault Latch Disable
V(No_Latch/PSM)
Disable latch threshold PSM
enabled
VBIAS + 0.3
V
V(No_Latch)
Disable latch threshold PSM
disabled
ANAGND – 0.3
V
V(Latch_enabled)
Thermal Shutdown
Enable latch threshold
ANAGND
VBIAS
V
T(OTP)
T(hyst)
Dynamic VID Change (No current limit)
Over temperature trip point
See Note 2
160
°
C
°
C
Hysteresis
See Note 2
10
Ι
tSRC
Voltage change timing current
VCC = 5 V,
V(ref1) = 2 V,
DT_SET = 0.925 V
13.3
14
14.7
μ
A
NOTES:
2. Ensured by design, not production tested.
3. The BIAS voltage is required to be a quiet bias supply for the TPS5300 control logic. External noisy loads should use VCC instead
of the BIAS voltage.
P
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