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参数资料
| 型号： | TPS61060DRB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 显示驱动器 |
| 英文描述： | LED DISPLAY DRIVER, PDSO8 |
| 封装： | 3 X 3 MM, PLASTIC, SON-8 |
| 文件页数： | 20/25页 |
| 文件大小： | 761K |
| 代理商： | TPS61060DRB |
www.ti.com
DISSIPATION RATINGS
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS61060
TPS61061
TPS61062
SLVS538A – NOVEMBER 2004 – REVISED APRIL 2005
TA≤ 25°C
TA = 70° C
TA = 85°C
PACKAGE
RθJA
POWER RATING
QFN(1)
270°C/W
370 mW
204 mW
148 mW
QFN(2)
60°C/W
1.6 W
916 mW
666 mW
CSP(3)
220°C/W
454 mW
250 mW
181 mW
CSP(4)
110°C/W
909 mW
500 mW
363 mW
(1)
Soldered PowerPAD on a standard 2-layer PCB without vias for thermal pad.
(2)
Soldered PowerPAD on a standard 4-layer PCB with vias for thermal pad.
(3)
Rθ is based on a 1-layer PCB according to JEDEC standard.
(4)
Rθ is based on a 2-layer PCB according to JEDEC standard. Refer to application section on how to
improve thermal resistance RθJA.
MIN
TYP
MAX
UNIT
VI
Input voltage range
2.7
6.0
V
L
Inductor(1)
22
H
CI
Input capacitor(1)
1
F
CO
Output capacitor(1)
0.22
1
F
TA
Operating ambient temperature
-40
85
°C
TJ
Operating junction temperature
-40
125
°C
(1)
Refer to application section for further information.
V
in = 3.6 V, EN = VIN, 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
VIN
Input voltage range
2.7
6
V
IQ
Operating quiescent current into Vin
Device not switching
1
mA
ISD
Shutdown current
EN = GND
1
10
A
VUVLO
Undervoltage lockout threshold
VIN falling
1.65
1.8
V
VHYS
Undervoltage lockout hysteresis
50
mV
ENABLE AND ILED
VEN
Enable high-level voltage
VIN = 2.7 V to 6 V
1.2
V
VEN
Enable low-level voltage
VIN = 2.7 V to 6 V
0.4
V
REN
Enable pulldown resistor
200
300
k
tshtdn
Enable-to-shutdown delay (1)
EN = high to low
50
ms
tPWML
PWM low-level signal time (1)
PWM signal applied to EN
25
ms
VILED
ILED high-level voltage
VIN = 2.7 V to 6 V
1.2
V
VILED
ILED low-level voltage
VIN = 2.7 V to 6 V
0.4
V
IILED
ILED input leakage current
ILED = GND or VIN
0.1
3
A
DAC resolution
5 Bit
15.6
mV
tup
Increase feedback voltage one step
ILED = high to low
1
75
us
tdown
Decrease feedback voltage one step
ILED = high to low
180
300
us
tdelay
Delay time between up/down steps
ILED = low to high
1.5
us
toff
Digital programming off, VFB=500mV
ILED = high to low
720
us
(1)
A PWM low signal applied to EN for a time (
≥25 ms) could cause a device shutdown. After a period of ≥50 ms the device definitely
enters shutdown mode.
4
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