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参数资料
型号： TPS62356YZG
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 1.8 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, BGA12
封装： DSBGA-12
文件页数： 43/46页
文件大小： 1530K
代理商： TPS62356YZG
I
2C INTERFACE TIMING CHARACTERISTICS(1)
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
Leakage current into SW pin
VI > VO, 0 V ≤ V(SW) ≤ VI, EN = GND
0.01
1
Ilkg
A
Reverse leakage current into SW pin
VI = open, V(SW) = 6 V, EN = GND
0.01
1
DAC
TPS62350
TPS62351
TPS62352
Resolution
TPS62353
6
Bits
TPS62354
TPS62355
TPS62356
Differential nonlinearity
Specified monotonic by design
±0.8
LSB
TIMING
Setup Time Between Rising EN and Start of I2C
250
s
Stream
Output voltage settling
From min to max output voltage,
VO
TPS62350
3
s
time
IO(DC) = 500 mA, PWM operation
Time from active EN to VO
180
VO = 1.35 V, RL = 5, PWM operation
TPS62350
Time from active EN to VO
170
VO = 1.05 V, IO(DC) = 0 mA, Light PFM operation
Time from active EN_DCDC bit to VO
Start-up time
TPS62351
45
s
VO = 1.5 V, RL = 5, PWM operation
Time from active EN to VO
175
VO = 1.2 V, RL = 5, PWM operation
TPS62352
Time from active EN to VO
170
VO = 1.05 V, IO(DC) = 0 mA, Light PFM operation
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Standard mode
100
kHz
Fast mode
400
kHz
High-speed mode (write operation), CB – 100 pF max
3.4
MHz
f(SCL)
SCL Clock Frequency
High-speed mode (read operation), CB – 100 pF max
3.4
MHz
High-speed mode (write operation), CB – 400 pF max
1.7
MHz
High-speed mode (read operation), CB – 400 pF max
1.7
MHz
Standard mode
4.7
s
Bus Free Time Between a STOP and
tBUF
START Condition
Fast mode
1.3
s
Standard mode
4
s
Hold Time (Repeated) START
tHD, tSTA
Fast mode
600
ns
Condition
High-speed mode
160
ns
Standard mode
4.7
s
Fast mode
1.3
s
tLOW
LOW Period of the SCL Clock
High-speed mode, CB – 100 pF max
160
ns
High-speed mode, CB – 400 pF max
320
ns
Standard mode
4
s
Fast mode
600
ns
tHIGH
HIGH Period of the SCL Clock
High-speed mode, CB – 100 pF max
60
ns
High-speed mode, CB – 400 pF max
120
ns
(1)
Specified by design. Not tested in production.
6
Submit Documentation Feedback
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356
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