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参数资料
| 型号： | TPS62000YEGT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, BGA12 |
| 封装： | DSBGA-12 |
| 文件页数： | 24/26页 |
| 文件大小： | 878K |
| 代理商： | TPS62000YEGT |
ELECTRICAL CHARACTERISTICS
www.ti.com ........................................................................................................................................... SLVS294E – SEPTEMBER 2000 – REVISED AUGUST 2008
over recommended operating free-air temperature range, VI = 3.6 V, VO = 2.5 V, IO = 300 mA, EN = VIN, ILIM = VIN, TA =
–40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
IO = 0 mA to 600 mA
2.5
5.5
VI
Input voltage range
V
IO = 0 mA to 200 mA
2
5.5
I(Q)
Operating quiescent current
IO = 0 mA, SYNC = GND (PFM-mode
50
75
A
enabled)
I(SD)
Shutdown current
EN = GND
0.1
1
A
ENABLE
VIH
EN high-level input voltage
1.3
V
VIL
EN low level input voltage
0.4
V
Ilkg
EN input leakage current
EN = GND or VIN
0.01
0.1
A
V(UVLO)
Undervoltage lockout threshold
1.2
1.6
1.95
V
POWER SWITCH AND CURRENT LIMIT
VI = VGS = 3.6 V, I = 200 mA
200
280
410
P-channel MOSFET on-resistance
m
VI = VGS = 2 V, I = 200 mA
480
P-channel leakage current
VDS = 5.5 V
1
A
rDS(on)
VI = VGS = 3.6 V, IO = 200 mA
200
280
410
N-channel MOSFET on-resistance
m
VI = VGS = 2 V, IO = 200 mA
500
N-channel leakage current
VDS = 5.5 V
1
A
2.5 V
≤ VI ≤ 5.5 V, ILIM = VIN
800
1200
1600
I(LIM)
P-channel current limit
mA
2 V
≤ VI ≤ 5.5 V, ILIM = GND
390
600
900
VIH
ILIM high-level input voltage
1.3
V
VIL
ILIM low-level input voltage
0.4
V
Ilkg
ILIM input leakage current
ILIM = GND or VIN
0.01
0.1
A
POWER GOOD OUTPUT (see (1))
V(PG)
Power good threshold
Feedback voltage falling
88% VO
92% VO 94% VO
V
Power good hysteresis
2.5% VO
V
VOL
PG output low voltage
V(FB) = 0.8 × VO nominal, I(sink) = 10 A
0.3
V
Ilkg
PG output leakage current
V(FB) = VO nominal
0.01
1
A
Minimum supply voltage for valid
1.2
V
power good signal
OSCILLATOR
fs
Oscillator frequency
500
750
1000
kHz
f(SYNC)
Synchronization range
CMOS-logic clock signal on SYNC pin
500
1000
kHz
VIH
SYNC high level input voltage
1.3
V
VIL
SYNC low level input voltage
0.4
V
Ilkg
SYNC input leakage current
SYNC = GND or VIN
0.01
0.1
A
Duty cycle of external clock signal
20%
60%
(1)
Power good is not valid for the first 100
s after EN goes high. Refer to the application section for more information.
Copyright 2000–2008, Texas Instruments Incorporated
7
Product Folder Link(s): TPS62000, TPS62001, TPS62003 TPS62004, TPS62005, TPS62006 TPS62007, TPS62008
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