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參數資料
| 型號： | TWL2214CAPFB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數： | 4/39頁 |
| 文件大小： | 583K |
| 代理商： | TWL2214CAPFB |
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TWL2214CA
POWER SUPPLY MANAGEMENT IC AND
LiIon BATTERY CHARGE CONTROL
SLVS321A – OCTOBER 2001 – REVISED JANUARY 2002
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, TA = –25°C to 85°C (unless otherwise noted) (continued)
regulators 2, 3, 4, and 5 (CO = 4.7 F with ESR = 2 )
Regulators 2, 3, 4, and 5 provide programmable output. The output range, 2.3 V to 3 V, can be programmed
in 100-mV steps.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage
3.3
4.3
V
VO
Output voltage
See Note 1
0.96Vp
Vp
1.04Vp
V
Regulator 2
80
I
O tp t c rrent
Regulator 3
80
mA
IO
Output current
Regulator 4
120
mA
Regulator 5
150
Regulator 2
300
Short circ it c rrent
Regulator 3
300
mA
Short-circuit current
Regulator 4
400
mA
Regulator 5
500
Regulator 2, IO = 1 mA to IMAX
70
Load regulation
Regulator 4, IO = 1 mA to IMAX
50
mV
Load regulation
Regulators 3 and 5, IO = 1 mA to IMAX
50
mV
Line regulation
VI = 3.3 V to 4.3 V
20
mV
VDROPOUT Dropout voltage
IO = IMAX
300
mV
PSRR
Ripple rejection
f = 10 Hz to 10 kHz, VDD3 = VDD4 = 3.8 V
65
dB
N
Output noise
f = 10 Hz to 100 kHz, IO = IMAX, VI = 3.3 V
45
Vrms
tON
Turnon time
See Note 2
80
s
tOFF
Turnoff time
No load, See Note 3
1
5
ms
I(Quiescent)
Quiescent current
IO = 1 mA
120
150
A
regulator 1 voltage DET
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
Voltage at XRST (see Note 4)
VREG1 ≤ VTH –VHY
0
0.3
V
VO
Voltage at XRST (see Note 4)
VREG1 ≥ VTH
VREG1
V
VHY
Hysteresis voltage
80
100
120
mV
Time delay voltage at CD1
1.15
1.2
1.25
V
Time delay current at CD1
0.7
1
1.3
A
NOTE 4: VTH is 90% of the nominal VREG1.
LED driver
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output current at IL0
VIL0 = 0.8 V
160
mA
Output current at IL1
VIL1 = 0.8 V
20
mA
Output current at IL2
VIL2 = 0.8 V
10
mA
ILKG
Leakage current
Off
1
A
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