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参数资料
| 型号： | TPS63030DSKRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 2600 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 2.50 X 2.50 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 18/24页 |
| 文件大小： | 1326K |
| 代理商： | TPS63030DSKRG4 |
ELECTRICAL CHARACTERISTICS
www.ti.com.................................................................................................................................................. SLVS696A – OCTOBER 2008 – REVISED MARCH 2009
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
DC/DC STAGE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage range
1.8
5.5
V
VI
Minimum input voltage for startup
0°C
≤ TA ≤ 85°C
1.6
1.8
1.9
V
VI
Minimum input voltage for startup
1.6
1.8
2.0
V
VO
TPS63030 output voltage range
1.2
5.5
V
Minimum duty cycle in step down conversion
30%
40%
VFB
TPS63030 feedback voltage
495
500
505
mV
TPS63031 output voltage
PS/SYNC = VIN
3.267
3.3
3.333
V
f
Oscillator frequency
2200
2400
2600
kHz
Frequency range for synchronization
2200
2400
2600
kHz
ISW
Average switch current limit
VIN = VINA = 3.6 V, TA = 25°C
900
1000
1100
mA
High side switch on resistance
VIN = VINA = 3.6 V
200
m
Low side switch on resistance
VIN = VINA = 3.6 V
200
m
Maximum line regulation
0.5%
Maximum load regulation
0.5%
VIN and VINA
25
35
A
Quiescent
IO = 0 mA, VEN = VIN = VINA = 3.6 V,
Iq
current
VOUT = 3.3 V
VOUT
4
6
A
TPS63031 FB input impedance
VEN = HIGH
1
M
IS
Shutdown current
VEN = 0 V, VIN = VINA = 3.6 V
0.1
0.9
A
CONTROL STAGE
VUVLO Under voltage lockout threshold
VINA voltage decreasing
1.4
1.5
1.6
V
VIL
EN, PS/SYNC input low voltage
0.4
V
VIH
EN, PS/SYNC input high voltage
1.2
V
EN, PS/SYNC input current
Clamped on GND or VINA
0.01
0.1
A
Overtemperature protection
140
°C
Overtemperature hysteresis
20
°C
Copyright 2008–2009, Texas Instruments Incorporated
3
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