參數(shù)資料
型號(hào)： TPS65800RTQTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 8-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝： 8 X 8 MM, GREEN, PLASTIC, QFN-56
文件頁(yè)數(shù)： 4/98頁(yè)
文件大?。?/td> 2077K
代理商： TPS65800RTQTG4
www.ti.com
ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS (continued)
SLVS606C – SEPTEMBER 2005 – REVISED FEBRUARY 2007
Over recommended operating conditions (typical values at T
J = 25°C), application circuit as in Figure 3 (unless otherwise
noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RTC_OUT LINEAR REGULATOR
IQ(RTC_OUT)
Quiescent current for RTC LDO
Internally connected to OUT pin
20
A
IO(RTC_OUT)
Output current range
8
mA
Fixed output voltage value
3.1
V
Dropout voltage, I(RTC_OUT) = –8 mA
200
mV
Total accuracy, V(OUT): 2 V to 4.7 V, 8-mA load,
–5%
5%
VO(RTC_OUT)
RTC_OUT output voltage
sleep mode not set
Load regulation, load: 1 mA
→ 8 mA, 2 V < V(OUT) < 4.7 V
–3%
3%
Line regulation, 5-mA load,
–2%
2%
V(OUT): 2 V
→ 4.7 V
ISH(RTC_OUT)
Short circuit current limit
V(RTC_OUT) = 0 V
20
mA
TJ = 85°C
880
V(RTC_OUT) = 1.5 V,
ILKG(RTC_OUT)
Leakage current
nA
V(OUT) = 0 V
TJ = 25°C
250
LDO0 LINEAR REGULATOR
I(LDO0) = –1 mA
15
Internally connected to VIN_LDO12
IQ(LDO0)
Quiescent current
A
pin
I(LDO0) = –150 mA
160
IO(LDO0)
Output current range
150
mA
Fixed output voltage value
3.3
V
Dropout voltage, I(LDO0) = –150 mA
300
mV
Total accuracy
–3%
3%
VO(LDO0)
Output voltage
Line regulation, V(OUT): VO(LDO0)+ 0.5 → 4.7 V,
–1%
1%
I(LDO0) =– 100 mA
Load regulation, I(LDO0) = –10 mA
→– 150 mA
–1.5%
1.5%
PSR(LDO0)
PSRR at 20 kHz
150 mA load at output, V(VIN_LDO12) – VO(LDO1,2) = 1 V
40
dB
ISC(LDO0)
Short-circuit current limit
V(LDO0) = 0 V
300
mA
ILKG(LDO0)
Leakage current
LDO off
1
A
TSSLDO0
Soft start ramp time
500
s
TSS_DELAYLDO0
Startup delay
Measured from the time when the enable bit is set
20
s
LDO_PM LINEAR REGULATOR
IQ(LD0_PM)
Output current range
20
mA
Fixed output voltage value, V(OUT) > 4 V
3.3
V
VO(LDO_PM)
Output voltage
Dropout voltage, I(LDOPM) = –12 mA
0.5
0.7
Total accuracy
–5%
5%
ILKG(LDOPM)
Leakage current
LDO off
1
A
12
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