参数资料
型号: TPS659107A1RSL
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 1 MM HEIGHT, 0.40 MM PITCH, PLASTIC, VQFN-48
文件页数: 16/93页
文件大小: 1014K
代理商: TPS659107A1RSL
SWCS046I
– MARCH 2010 – REVISED JULY 2011
VAUX33 AND VMMC LDO (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Rated output current IOUTmax
On mode
300
mA
Low-power mode
1
Load current limitation
On mode, VOUT = VOUTmin – 100 mV
350
500
mA
(short-circuit protection)
Dropout voltage VDO
VIN = 3.0 V, IOUT = 200 mA, T = 25°C
200
mV
DC load regulation
On mode, IOUT = IOUTmax to 0
25
mV
DC line regulation
On mode, VIN = VINmin to VINmax @ IOUT = IOUTmax
3
mV
Transient load regulation
On mode, VIN = 3.8 V
12
mV
IOUT = 20 mA to 180 mA in 5 s and IOUT = 180 mA
to 20 mA in 5
s
On mode, IOUT = 200 mA, VIN = VINmin + 0.5 V to
Transient line regulation
2
mV
VINmin in 30 s
And VIN = VINmin to VINmin + 0.5 V in 30 s, IOUT =
IOUTmax/2
Turn-on time
IOUT = 0, @ VOUT = 0.1 V up to VOUTmin
100
s
VIN = VINDC + 100 mVpp tone, VINDC+= 3.8 V, IOUT =
Ripple rejection
IOUTmax/2
f = 217 Hz
70
dB
f = 50 kHz
40
VMMC internal resistance
LDO Off
70
Ω
Ground current
On mode, IOUT = 0
55
On mode, IOUT = IOUTmax
2700
A
Low-power mode
15
Off mode
1
Copyright
2010–2011, Texas Instruments Incorporated
23
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