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參數(shù)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(shù)： | 3/39頁 |
| 文件大?。?/td> | 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
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, TA = –25°C to 85°C (unless otherwise noted)
regulator 1 (CO = 4.7 F with ESR = 2 )
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD1
Input voltage
3.3
4.3
V
VREG1
Output voltage
IO = IMAX
2.68
2.8
2.91
V
IO
Output current
VDD1 = 3.8 V
150
mA
IOS
Short circuit
VDD1 = 3.8 V
550
mA
Load regulation
IO = 1 mA to IMAX, VDD1 = 3.8 V
80
mV
Line regulation
VDD1 = 3.3 V to 4.3 V, IO = IMAX
20
mV
Dropout voltage
IO = IMAX
100
300
mV
PSRR
Ripple rejection
f = 10 Hz to 10 kHz, VDD1 = 3.8 V
65
dB
I(Standby)
Standby current
IO = 1.5 mA (regulator 1 and internal bias circuitry are active)
105
120
A
regulator 6 (CO = 4.7 F with ESR = 2 )
This 100-mA LDO can be enabled with serial interface I2C or by CONT (terminal 21 or H6). The output range
is from 2.5 V to 3 V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD2
Input voltage
3.3
4.3
V
O tp t oltage
CONT = Low
2.88
3
3.12
V
VREG6
Output voltage
CONT = High (see Note 1 and function register 4)
0.96Vp
Vp
1.04Vp
V
IO
Output current
100
mA
Short circuit
330
mA
Load regulation
IO = 1 mA to IMAX, VDD2 = 3.8 V
70
mV
VS
Line regulation
VDD2 = 3.3 V to 4.3 V, IO = IMAX
20
mV
Dropout voltage
IO = IMAX
100
300
mV
PSRR
Ripple rejection
f = 10 Hz to 10 kHz, VDD2 = 3.8 V
65
dB
tON
Turnon time
See Note 2
150
s
tOFF
Turnoff time
See Note 3
2
5
ms
I(Quiescent)
Quiescent current
IO = 1.5 mA
15
30
A
NOTES:
1. I2C/SPI programmable, V(p) is the programmed voltage. Refer to function registers 2 and 3 for programming information.
2. Output enable to output voltage = 0.9
× nominal value
3. Output disable to output voltage = 0.5 V
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