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參數資料
| 型號： | TPS62601YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA6 |
| 封裝： | GREEN, DSBGA-6 |
| 文件頁數： | 18/24頁 |
| 文件大?。?/td> | 785K |
| 代理商： | TPS62601YFFT |
ELECTRICAL CHARACTERISTICS
www.ti.com ...................................................................................................................................................................................................... SLVS678 – JUNE 2008
VI = 3.6V, VO = 1.83V, EN = 1.8 V, TA = -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VI
Input voltage range
2.3
5.5
V
IO = 0mA. PFM mode enabled, device not switching
30
45
A
IQ
Operating quiescent current
IO = 0mA, L = 0.47H (Aircoil)
6.5
mA
Forced PWM operation
I(SD)
Shutdown current
EN = GND
0.2
1
A
UVLO
Undervoltage lockout threshold
2.05
2.1
V
ENABLE, MODE
VIH
High-level input voltage
1
V
VIL
Low-level input voltage
0.4
V
Ilkg
Input leakage current
Input connected to GND or VIN
0.01
1
A
POWER SWITCH
VI = V(GS) = 3.6V
310
m
rDS(on)
P-channel MOSFET on resistance
VI = V(GS) = 2.5V
380
m
Ilkg
P-channel leakage current, PMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
1
A
VI = V(GS) = 3.6V
250
m
rDS(on)
N-channel MOSFET on resistance
VI = V(GS) = 2.5V
320
m
Ilkg
N-channel leakage current, NMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
2
A
P-MOS current limit
2.3V
≤ VI ≤ 5.5V. Open loop
900
1000
1100
mA
Input current limit under short-circuit
VO = 0 , L = 0.47H
30
mA
conditions
Thermal shutdown
140
°C
Thermal shutdown hysteresis
10
°C
OSCILLATOR
TPS62600
fSW
Oscillator frequency
IO = 0mA, L = 0.47H. Forced PWM operation
5.4
6
6.6
MHz
TPS62601
OUTPUT
2.5V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 500mA
0.985×VNOM
VNOM
1.025×VNOM
V
PFM/PWM operation
Regulated DC
output voltage
2.5V
≤ VI ≤ 5.5V, 0 mA ≤ IO ≤ 500mA
TPS62600
0.985×VNOM
VNOM
1.015×VNOM
V
V(OUT)
PWM operation
TPS62601
Line regulation
VI = VO + 0.5V (min 2.3V) to 5.5V, IO = 200mA
0.25
%/V
Load regulation
IO = 0mA to 500mA
-0.0003
%/mA
Feedback input resistance
460
k
Minimum on-time
ton(MIN)
35
ns
(P-channel MOSFET)
Power-save mode
ΔVO
IO = 1mA
0.015×VNOM
VPP
TPS62600
ripple voltage
TPS62601
Start-up time
IO = 0mA, Time from active EN to VO
180
s
Copyright 2008, Texas Instruments Incorporated
3
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