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| 型號(hào)： | TPS5211PWPR |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁(yè)數(shù)： | 12/29頁(yè) |
| 文件大小： | 500K |
| 代理商： | TPS5211PWPR |
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TPS5210
PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER
SLVS171A – SEPTEMBER 1998 – REVISED MAY 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating virtual junction temperature range,
V
CC
= 12 V, I
DRV
= 0 A (unless otherwise noted) (continued)
output drivers
PARAMETER
TEST CONDITIONS
tpw < 100
μ
s,
VBOOT – VBOOTLO = 6.5 V,
VHIGHDR = 1.5 V (source) or 6 V (sink),
See Note 3
MIN
TYP
MAX
UNIT
High-side sink
Duty cycle < 2%,
TJ = 125
°
C,
2
Peak output
current
(see Note 5)
High-side source
2
A
Low-side sink
Duty Cycle < 2%,
TJ = 125
°
C,
VLOWDR = 1.5 V (source) or 5 V (sink),
See Note 3
tpw < 100
μ
s,
VDRV = 6.5 V,
2
Low-side source
2
High-side sink
TJ = 125
°
C,
VHIGHDR = 6 V (source) or 0.5 V (sink)
VBOOT – VBOOTLO = 6.5 V,
3
Output
resistance
(see Note 5)
High-side source
45
Low-side sink
Low-side source
TJ = 125
°
C,
VLOWDR = 6 V (source) or 0.5 V (sink)
VDRV = 6.5 V,
5.7
45
NOTES:
3. This parameter is ensured by design and is not production tested.
5. The pull-up/pull-down 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
11.4
12
13
V
VINHIBIT = 5 V,
VCC > 10.75 V at startup,
VINHIBIT = 5 V,
VCC > 10.75 V at startup,
CHIGHDR = 50 pF,
fSWX = 200 kHz,
VINHIBIT = 0 V or VID code = 11111 or VCC < 9.25 V at startup,
VBOOT = 13 V,
VBOOTLO = 0 V
VINHIBIT = 5 V,
VBOOT = 13 V,
CHIGHDR = 50 pF,
fSWX = 200 kHz (see Note 3)
NOTE 3: This parameter is ensured by design and is not production tested.
VID code
≠
11111,
VBOOTLO = 0 V
VID code
≠
11111,
VBOOTLO = 0 V,
CLOWDR = 50 pF,
See Note 3
3
10
VCC
Quiescent
current
5
mA
High-side
driver
quiescent
current
80
μ
A
VID code
≠
11111, VCC > 10.75 V at startup,
VBOOTLO = 0 V,
2
mA
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