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参数资料
型号： TPS62321YZDT
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 0.89 A SWITCHING REGULATOR, 3350 kHz SWITCHING FREQ-MAX, BGA8
封装： GREEN, DSBGA-8
文件页数： 33/37页
文件大小： 1401K
代理商： TPS62321YZDT
www.ti.com
TPS62300, TPS62301, TPS62302
TPS62303, TPS62304, TPS62305,
TPS62311, TPS62313, TPS62315, TPS62320, TPS62321
SLVS528E – JULY 2004 – REVISED NOVEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
VI = 3.6 V, VO = 1.6 V, EN = VI, MODE/SYNC = GND, L = 1 H, CO = 10 F, TA = -40°C to 85°C, typical values are at
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OSCILLATOR
fSW
Oscillator frequency
2.65
3
3.35
MHz
f(SYNC)
Synchronization range
2.65
3.35
MHz
Duty cycle of external clock signal
20%
80%
OUTPUT
Adjustable output
TPS62300
VO
0.6
5.4
V
voltage range
TPS62320
Regulated feedback
TPS62300
V(FB)
0.4
V
voltage
TPS62320
DC power train amplification
A(PT)
1.496
1.5
1.504
(VO/V(ADJ))
Minimum on-time (P-channel
ton(MIN)
35
ns
MOSFET)
Resistance into VOUT sense pin
700
1000
k
Resistance into ADJ pin
V(FB) > 0.4 V
700
1000
1300
k
Feedback input bias
TPS62300
I(FB)
V(FB) = 0.4 V
1
nA
current
TPS62320
Adjustable output
TPS62300
–2%
+2%
voltage(1)
TPS62320
TPS6230x
TPS62311
–2%
+2%
2.7 V
≤ VI ≤ 6 V, 0 mA ≤ IO(DC) ≤ 500 mA
TPS62313
PFM/PWM mode operation
TPS6232x
Fixed output voltage
TPS62304
-2%
+2.5%
TPS62305
–2%
+2.7%
TPS62315
TA = 25°C
–0.5%
+1.3%
Adjustable output
TPS62300
VO
voltage dc accuracy(1)
TPS62320
–40
°C ≤ T
A ≤ 85°C
–0.5%
+1.3%
TPS6230x
TA = 25°C
–0.5%
+1.3%
TPS62311
TPS62313
–40
°C ≤ T
A ≤ 85°C
–0.5%
+1.3%
PWM mode operation,
TPS6232x
VI = 3.6 V, No Load
Fixed output voltage
TA = 25°C
-0.5%
+1.8%
dc accuracy
TPS62304
–40
°C ≤ T
A ≤ 85°C
-0.5%
+1.8%
TA = 25°C
–0.3%
+1.7%
TPS62305
TPS62315
–40
°C ≤ T
A ≤ 85°C
–0.5%
+2%
DC output voltage load regulation
IO = 0 mA to 500 mA, MODE/SYNC = VI
–0.001
–0.002
%/mA
DC output voltage load regulation
V(ADJ) externally forced to 1.067 V,
–0.0003
–0.0006
%/mA
(power train in direct drive mode)
IO = 0 mA to 500 mA, MODE/SYNC = VI
VI = VO + 0.5 V (min 2.7 V) to
DC output voltage line regulation
0.11
0.2
%/V
6 V, IO = 100 mA, MODE/SYNC = VI
V(ADJ) externally forced to 1.067 V,
DC output voltage line regulation
VI = VO + 0.5 V (min 2.7 V) to 6 V
0.035
0.1
%/V
(power train in direct drive mode)
IO = 100 mA, MODE/SYNC = VI
Integrator slew rate
100
150
200
V/s
ΔVO
Power-save mode ripple voltage
IO = 1 mA, MODE/SYNC = GND
0.025 VO
VP-P
Start-up time
IO = 200 mA, Time from active EN to VO
250
s
Leakage current into SW pin
VI > VO, 0 V ≤ V(SW) ≤ VIN, EN = GND
0.1
1
Ilkg
A
Reverse leakage current into SW pin
VI = open, V(SW) = 6 V, EN = GND
0.1
1
(1)
Output voltage specification for the adjustable version does not include tolerance of external voltage programming resistors.
Copyright 2004–2007, Texas Instruments Incorporated
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Product Folder Link(s): TPS62300, TPS62301, TPS62302 TPS62303, TPS62304, TPS62305, TPS62311, TPS62313,
TPS62315, TPS62320, TPS62321
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