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參數資料
| 型號： | TPS62046DRC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Programmable Logic Controller; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No RoHS Compliant: No |
| 中文描述： | 可編程邏輯控制器；無鉛，不支持260℃峰值回流焊溫度；符合RoHS認證 |
| 文件頁數： | 3/21頁 |
| 文件大小： | 372K |
| 代理商： | TPS62046DRC |
SLVS463A JUNE 2003 REVISED OCTOBER 2003
www.ti.com
3
ELECTRICAL CHARACTERISTICS
VI = 3.6 V, VO = 1.8 V, IO = 600 mA, EN = VIN, TA = 40
°
C to 85
°
C, typical values are at TA = 25
°
C (unless otherwise noted)(1)
SUPPLY CURRENT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
I(Q)
ISD
VUVLO
ENABLE AND MODE
VEN
VEN
IEN
V(MODE)
V(MODE)
I(MODE)
POWER SWITCH
Input voltage range
2.5
6.0
V
μ
A
μ
A
V
Operating quiescent current
IO = 0 mA, device is not switching
EN = GND
18
35
Shutdown supply current
0.1
1
Undervoltage lockout threshold
1.5
2.3
EN high level input voltage
1.4
V
EN low level input voltage
0.4
V
μ
A
V
EN input bias current
EN = GND or VIN
0.01
1.0
MODE high level input voltage
1.4
MODE low level input voltage
0.4
V
μ
A
MODE input bias current
MODE = GND or VIN
0.01
1.0
rDS(ON)
P-channel MOSFET onresistance
VI = VGS = 3.6 V
VI = VGS = 2.5 V
VDS = 6.0 V
VI = VGS = 3.6 V
VI = VGS = 2.5 V
VDS = 6.0 V
2.5 V < VI< 6.0 V
115
210
m
m
μ
A
m
m
μ
A
A
°
C
P-channel MOSFET onresistance
145
270
Ilkg(P)
P-channel leakage current
1
rDS(ON)
N-channel MOSFET onresistance
85
200
N-channel MOSFET onresistance
115
280
IIkg(N)
IL
N-channel leakage current
1
P-channel current limit
1.5
1.85
2.2
Thermal shutdown
150
OSCILLATOR
fS
Oscillator frequency
VFB = 0.5 V
VFB = 0 V
1
1.25
1.5
MHz
625
kHz
OUTPUT
VO
Vref
Adjustable output voltage range
TPS62040
0.7
VIN
V
Reference voltage
0.5
V
VFB
Feedback voltage
TPS62040
Adjustable
VI = 2.5 V to 6.0 V; IO= 0 mA
VI = 2.5 V to 6.0 V; 0 mA
≤
IO
≤
1.2 A
0%
3%
3%
3%
TPS62042
1.5V
VI = 2.5 V to 6.0 V; IO = 0 mA
VI = 2.5 V to 6.0 V; 0 mA
≤
IO
≤
1.2 A
0%
3%
3%
3%
VO
Fixed output voltage
TPS62043
1.6V
VI = 2.5 V to 6.0 V; IO = 0 mA
VI = 2.5 V to 6.0 V; 0 mA
≤
IO
≤
1.2 A
0%
3%
3%
3%
TPS62044
1.8V
VI = 2.5 V to 6.0 V; IO = 0 mA
VI = 2.5 V to 6.0 V; 0 mA
≤
IO
≤
1.2 A
0%
3%
3%
3%
TPS62046
3.3V
VI = 3.6 V to 6.0 V; IO = 0 mA
VI = 3.6 V to 6.0 V; 0 mA
≤
IO
≤
1.2 A
VI = VO + 0.5 V (min. 2.5 V) to 6.0 V,
IO = 10 mA
IO = 10 mA to 1200 mA
VI>VO, 0 V
≤
Vsw
≤
VI
VI = open; EN = GND; VSW = 6.0 V
VFB = 0 V
0%
3%
3%
3%
Line regulation(1)
0
%/V
Load regulation(1)
0
%/mA
μ
A
μ
A
kHz
IIkg(SW)
Leakage current into SW pin
0.1
1
Reverse leakage current into pin SW
0.1
1
f
Short circuit switching frequency
(1)The line and load regulations are digitally controlled to assure an output voltage accuracy of
±
3%.
625
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