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参数资料
型号： TPS62354YZG
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 1.6 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, BGA12
封装： DSBGA-12
文件页数： 34/46页
文件大小： 1530K
代理商： TPS62354YZG
TPS62350, TPS62351
TPS62352, TPS62353
TPS62354, TPS62355, TPS62356
SLVS540E – MAY 2006 – REVISED APRIL 2008 .............................................................................................................................................................. www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply with
VI = 3.6 V, EN = VI, VSEL = VI, SYNC = GND, VSEL0[6] bit = 1.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TPS62350/1/2/3/4/5
900
1100
1300
mA
N-MOS current limit
2.7 V
≤ VI ≤ 5.5 V
(sourcing)
TPS62356
1200
1400
1700
mA
TPS62350/1/2/3/4/5
-500
-700
-900
mA
N-MOS current limit
2.7 V
≤ VI ≤ 5.5 V
(sinking)
TPS62356
-500
-700
-900
mA
TPS62350/1/2/3/4/5
675
mA
Input current limit under
VO = 0 V
short-circuit conditions
TPS62356
775
mA
Thermal shutdown
150
°C
Thermal shutdown hysteresis
20
°C
OSCILLATOR
fSW
Oscillator frequency
CONTROL2[4:3] = 00
2.65
3
3.35
MHz
f(SYNC)
Synchronization range
2.65
3.35
MHz
Duty cycle of external clock signal
20%
80%
OUTPUT
TPS62350
0.75
1.5375
V
TPS62351
0.90
1.6875
V
TPS62352
0.75
1.4375
V
VO
Output voltage range
TPS62353
0.75
1.5375
V
TPS62354
0.75
1.5375
V
TPS62355
0.75
1.5375
V
TPS62356
1.50
1.975
V
ton(MIN)
Minimum on-time (P-channel MOSFET)
35
ns
Resistance into FB sense pin
700
1000
k
VI = 3.6 V, VO = 1.35 V, IO(DC) = 0 mA
–1.5%
1.5%
PWM operation
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
VO = 0.75 V, 1.05 V, 1.35 V, 1.5375 V
–2%
2%
PWM operation
Output voltage
VO
TPS62350
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA
DC accuracy
–1%
4.5%
VO = 1.05 V, L = 1 H, Light PFM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
3%
VO = 1.35 V, L = 1 H, Fast PFM/PWM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.5%
VO = 1.05 V, L = 1 H, Light or Fast PFM/PWM
VI = 3.6 V, VO = 1.50 V, IO(DC) = 0 mA
–1.5%
1.5%
PWM operation
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
VO = 0.90 V, 1.10 V, 1.50 V, 1.6875 V
–2%
2%
PWM operation
Output voltage
VO
TPS62351
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA
DC accuracy
–1%
4.5%
VO = 1.10 V, L = 1 H, Light PFM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.5%
VO = 1.10 V, L = 1 H, Light or Fast PFM/PWM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.0%
VO = 1.50 V, L = 1 H, Light or Fast PFM/PWM
VI = 3.6 V, VO = 1.20 V, IO(DC) = 0 mA
–1.5%
1.5%
PWM operation
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
VO = 0.75 V, 1.05 V, 1.20 V, 1.4375 V
–2%
2%
PWM operation
Output voltage
VO
TPS62352
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA
DC accuracy
–1%
4.5%
VO = 1.05 V, L = 1 H, Light PFM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
3%
VO = 1.20 V, L = 1 H, Fast PFM/PWM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.5%
VO = 1.05 V, L = 1 H, Light or Fast PFM/PWM
4
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Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356
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