參數(shù)資料
型號: PTPS659108A1RSLR
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù): 8/89頁
文件大?。?/td> 941K
代理商: PTPS659108A1RSLR
PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
www.ti.com
VDD1 SMPS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum on time tON(MIN)
35
ns
P-channel MOSFET
VFB1 internal resistance
0.5
1
M
Ω
Ground current (IQ)
Off
1
PWM mode, IOUT = 0 mA, VIN = 3.8 V,
7500
VDD1_PSKIP = 0
A
Pulse skipping mode, no switching
78
Low-power (pulse skipping) mode, no switching
ST[1:0] = 11
63
PWM mode, DCRL < 0.1 Ω, VOUT = 1.2 V, VIN =
Conversion efficiency
3.6 V:
IOUT = 10 mA
35%
IOUT = 200 mA
82%
IOUT = 400 mA
81%
IOUT = 800 mA
74%
IOUT = 1500 mA
62%
PFM mode, DCRL < 0.1Ω, VOUT = 1.2 V, VIN =
3.6 V:
IOUT = 1 mA
59%
IOUT = 10 mA
70%
IOUT = 200 mA
82%
16
Copyright 2010, Texas Instruments Incorporated
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