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参数资料
| 型号： | PTPS659104A1RSL |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PQCC48 |
| 封装： | 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48 |
| 文件页数： | 5/89页 |
| 文件大小： | 941K |
| 代理商： | PTPS659104A1RSL |
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PRODUCTPREVIEW
www.ti.com
SWCS046C – MARCH 2010 – REVISED JUNE 2010
VIO SMPS
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage (VCCIO and VCC7) VIN
VOUT = 1.5 V or 1.8 V
2.7
5.5
VOUT = 2.5 V
3.4
5.5
V
VOUT = 3.3 V
4.2
5.5
PWM mode (VIO_PSKIP = 0) or pulse skip
DC output voltage (VOUT)
mode IOUT to IMAX
VSEL=00
–3%
1.5
+3%
VSEL = 01, default BOOT[1:0] = 00 and 01
–3%
1.8
+3%
VSEL = 10
–3%
2.5
+3%
V
VSEL = 11
–3%
3.3
+3%
Power down
0
Rated output current IOUTmax
ILIMSEL[1:0] = 00
600
mA
ILIMSEL[1:0] = 01
1000
P-channel MOSFET
VIN = VINmin
300
m
Ω
On-resistance RDS(ON)_PMOS
VIN = 3.8 V
250
400
P-channel leakage current ILK_PMOS
VIN = VINMAX, SWIO = 0 V
2
A
N-channel MOSFET
VIN = VMIN
300
m
Ω
On-resistance RDS(ON)_NMOS
VIN = 3.8 V
250
400
N-channel leakage current ILK_NMOS
VIN = VINmax, SWIO = VINmax
2
A
PMOS current limit (high-side)
VIN = VINmin to VINmax, ILIMSEL[1:0] = 00
800
mA
VIN = VINmin to VINmax, ILIMSEL[1:0] = 01
1200
NMOS current limit (low-side)
Source current load:
VIN = VINmin to VINmax, ILIMSEL[1:0] = 00
800
VIN = VINmin to VINmax, ILIMSEL[1:0] = 01
1200
mA
Sink current load:
VIN = VINmin to VINmax, ILIMSEL[1:0] = 00
800
VIN = VINmin to VINmax, ILIMSEL[1:0] = 01
1200
DC load regulation
On mode, IOUT = 0 to IOUTmax
20
mV
On mode, VIN = VINmin to VINmax
DC line regulation
20
mV
@ IOUT = IOUTmax
VIN = 3.8 V, VOUT = 1.8 V
50
mV
Transient load regulation
IOUT = 0 to 500 mA , Max slew = 100 mA/s
IOUT = 700 to 1200 mA , Max slew = 100 mA/s
t on, off to on
IOUT = 200 mA
350
s
Overshoot
SMPS turned on
3%
0.025 ×
Power-save mode Ripple voltage
Pulse skipping mode, IOUT = 1 mA
VPP
VOUT
Switching frequency
2.7
3
3.3
MHz
Minimum On Time TON(MIN)
35
ns
P-channel MOSFET
VFBIO internal resistance
0.5
1
M
Ω
Ground current (IQ)
Off
1
PWM mode, IOUT = 0 mA, VIN = 3.8 V,
7500
VIO_PSKIP = 0
Pulse skipping mode, no switching, 3-MHz clock
A
250
on
Low-power (pulse skipping) mode, no switching
ST[1:0]=11
63
Copyright 2010, Texas Instruments Incorporated
13
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