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參數(shù)資料
型號： TPS65040ZQER
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 8-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA71
封裝： 5 X 5 MM, 0.50 MM PITCH, GREEN, PLASTIC, MICRO, BGA-71
文件頁數(shù)： 4/73頁
文件大小： 1928K
代理商： TPS65040ZQER
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
SLVS708B – NOVEMBER 2006 – REVISED APRIL 2007
Over recommended input conditions, T
A = –30°C to 85°C, typical values are VBAT = 3.8 V, VIO1V8 = 1.85 V at TA = 25°C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V15_V18A (LOW DROPOUT OUTPUT)
Normal mode output voltage
ILOAD = 5 mA
1.81
1.85
1.89
VO(V15)
V
Low power mode output voltage
ILOAD = 1 mA
1.81
1.85
1.89
Normal mode maximum output
15
mA
current
IO(V15)
Low power mode maximum output
2
mA
current
VO(V15_ACC)
Total output accuracy(1)
–4%
4%
ICL(V15)
Current limit protection(2)
VO(V15) = 0 V
60
170
mA
VSAT(V15)
Output saturation voltage(2)
0.3
V
ISD(V15)
Shutdown current(3)
VBN4 pin at TA = 25°C
1
A
VBN4 pin, ILOAD = 0 mA at TA = 25°C
Normal mode quiescent current
V11_V28TX, V12_V28RX and V13_V18A are
40
60
off
IQ(V15)
A
VBN4 pin, ILOAD = 0 mA at TA = 25°C
Low power mode quiescent current
V11_V28TX, V12_V28RX and V13_V18A are
1.3
3
off
VREG(V15)
Line regulation(2)
VBAT = 3.1 V ~ 4.5 V, ILOAD = 15 mA
0.1
0.4
%/V
IREG(V15)
Load regulation(2)(4)
ILOAD = 10 A to 15 mA
50
100
mV
ILOAD = 10 A to 15 mA, ITR = 1 s
70
100
mV
ITR(V15)
Load transient(2)(4)
ILOAD = 15 mA to 10 A, ITF = 1 s
70
100
mV
VBAT = 3.8 V, FRIPPLE = 1 kHz, ILOAD = 15 mA
60
dB
Power supply ripple
PSRR(V15)
VBAT = 3.8 V, FRIPPLE = 100 kHz,
rejection(2)(4)(5)
45
dB
ILOAD = 15 mA
VON(V15)
Output noise(2)(4)
ILOAD = 5 mA, 10 Hz to 100 kHz
30
Vrms
VO(V15) > 90%, ILOAD = 10 A to 15 mA ,
VIO1V8 pin = 0 V to VVIO, or VIO1V8 pin = VVIO
tST(V15)
Startup time(2)(4)
500
s
and WRFON pin = VVIO and
r[PSCNT15](6) = 0 to 1
VO(V15) < 10%, ILOAD = 0 mA, VIO1V8 pin = VVIO
tF(V15)
Output voltage falling time(4)
5
ms
to 0 V, or r[PSCNT15] = 1 to 0
VBAT UNDERVOLTAGE ELECTRICAL CHARACTERISTICS(7)
Normal mode output voltage
1.85
V
VO(V15)
2.7 V < VBAT < 3.1
Low power mode output voltage
1.85
V
(1)
Total accuracy includes line and load regulation, temperature and process condition. It does not include load and line transients
(2)
Normal mode operation
(3)
Shutdown current includes V11_V28TX, V12_V28RX, and V13_V28A
(4)
Not production tested. Specified by using the reference EVM.
(5)
Ripple voltage = 0.1 VPP
(6)
r[PSCNT15] is a name of register command by serial interface.
(7)
V15 LDO is the only functional operation. The electrical characteristics are typical, but not specified.
12
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