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參數(shù)資料
| 型號： | TPS56100PWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.4 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數(shù)： | 5/30頁 |
| 文件大?。?/td> | 595K |
| 代理商： | TPS56100PWPR |
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TPS56100
HIGHEFFICIENCY DSP POWER SUPPLY CONTROLLER
FOR 5V INPUT SYSTEMS
SLVS201A JUNE 1999 REVISED JULY 1999
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
VCC = 5 V (unless otherwise noted) (continued)
output drivers
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
High-side sink
Duty cycle < 2%,
TJ = 125°C,
tpw < 100 s,
VBOOT – VBOOTLO = 4.5 V,
0.7
Peak output
current
High-side source
VHIGHDR = 0.5 V (source) or 4 V (sink),
See Note 3
1.2
A
current
(see Note 4)
Low-side sink
Duty Cycle < 2%,
TJ = 125°C,
tpw < 100 s,
VDRV = 4.5 V,
1.3
A
Low-side source
VLOWDR = 0.5 V (source) or 4 V (sink),
See Note 3
1.4
Output
High-side sink
TJ = 125°C,
VBOOT – VBOOTLO = 4.5 V,
5
Output
resistance
High-side source
TJ = 125 C,
VBOOT – VBOOTLO = 4.5 V,
VHIGHDR = 4 V (source) or 0.5 V (sink)
75
resistance
(see Note 4)
Low-side sink
TJ = 125°C,
VDRV = 4.5 V,
9
(see Note 4)
Low-side source
TJ = 125 C,
VDRV = 4.5 V,
VLOWDR = 4 V (source) or 0.5 V (sink)
75
NOTES:
3. This parameter is ensured by design and is not production tested.
4. The pullup/pulldown circuits of the drivers are bipolar and MOSFET transistors in parallel. The peak output current rating is the
combined current from the bipolar and MOSFET transistors. The output resistance is the Rds(on) of the MOSFET transistor when
the voltage on the driver output is less than the saturation voltage of the bipolar transistor.
supply current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC
Supply voltage
range
4.5
5
5.5
V
VINHIBIT = 5 V,
VCC > 4.46 V at startup,
VP code
≠ 11111,
VBOOTLO = 0 V
3
10
VCC
Quiescent
current
VINHIBIT = 5 V,
VCC > 4.46 V at startup,
CHIGHDR = 50 pF,
fSWX = 200 kHz,
VP code
≠ 11111,
VBOOTLO = 0 V,
CLOWDR = 50 pF,
See Note 3
5
mA
High-side
driver
VINHIBIT = 0 V or VP code = 11111 or VCC < 3.8 V at startup,
VBOOT = 13 V,
VBOOTLO = 0 V
90
A
driver
quiescent
current
VINHIBIT = 5 V,
VBOOT = 13 V,
CHIGHDR = 50 pF,
VP code
≠ 11111, VCC > 4.46 V at startup,
VBOOTLO = 0 V,
fSWX = 200 kHz (see Note 3)
2
mA
NOTE 3: This parameter is ensured by design and is not production tested.
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