参数资料
型号: TPS659107A1RSL
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 1 MM HEIGHT, 0.40 MM PITCH, PLASTIC, VQFN-48
文件页数: 10/93页
文件大小: 1014K
代理商: TPS659107A1RSL
SWCS046I
– MARCH 2010 – REVISED JULY 2011
VDD2 SMPS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VFB2 internal resistance
0.5
1
M
Ω
Discharge resistor for power-down
30
50
Ω
sequence RDIS
Ground current (IQ)
Off
1
PWM mode, IOUT = 0 mA, VIN = 3.8 V,
7500
VDD2_PSKIP = 0
A
Pulse skipping mode, no switching
78
Low-power (pulse skipping) mode, no switching
ST[1:0] = 11
63
PWM mode, DCRL < 50 mΩ, 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 = 1200 mA
66%
IOUT = 1500 mA
62%
Pulse skipping mode mode, DCRL < 50 mΩ, VOUT
= 1.2 V, VIN = 3.6 V:
IOUT = 1 mA
59%
IOUT = 10 mA
70%
IOUT = 200 mA
82%
PWM mode, DCRL < 50 mΩ, VOUT = 3.3 V, VIN =
5 V:
IOUT = 10 mA
44%
IOUT = 200 mA
90%
IOUT = 400 mA
91%
IOUT = 800 mA
88%
IOUT = 1200 mA
84%
IOUT = 1500 mA
81%
Pulse skipping mode mode, DCRL < 50 mΩ, VOUT
= 3.3 V, VIN = 5 V:
IOUT = 1 mA
75%
IOUT = 10 mA
83%
IOUT = 200 mA
90%
18
Copyright
2010–2011, Texas Instruments Incorporated
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