參數(shù)資料
型號： TPS65530RSLRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 3.3 A SWITCHING REGULATOR, 1650 kHz SWITCHING FREQ-MAX, PQCC48
封裝： 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, QFN-48
文件頁數(shù)： 29/31頁
文件大?。?/td> 931K
代理商： TPS65530RSLRG4
www.ti.com....................................................................................................................................................... SLVS744C – OCTOBER 2007 – REVISED MAY 2008
ELECTRICAL CHARACTERISTICS (continued)
0
°C ≤ T
J ≤ 125°C, 1.8 V ≤ VCC2 ≤ 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
Overcurrent protection threshold
1.4
1.65
A
Overvoltage protection threshold
0.67
0.75
0.83
V
(sensing at FB4 pin)
High-side FET
VPS = 5 V
130
310
ON resistance
Buck
m
side(4)
Low-side FET
VPS = 5 V
600
730
ON resistance
High-side FET
VPS = 5 V
170
270
ON resistance
Boost
m
side(4)
Low-side FET
VPS = 5 V
130
250
ON resistance
VOUT4 leakage current
VOUT4 = 0.5 V
1
A
Nch FET ON resistance for discharge
XSLEEP = AGND, ENAFE = AGND
1
2
k
CH5
VCC5
Supply voltage
1.5
5.5
V
VOUT5
Output voltage(5)
VCC5
18
V
VFB5
FB5 reference voltage
No load
0.98
1
1.02
V
VCC5 > 2.4 V, VOUT5 = 15 V,
IOUT5
Output current(6)
Feedback resistance: R1 = 40 k
,
50
mA
R2 = 560 k
Overcurrent protection threshold
1.3
1.6
A
Overvoltage protection threshold
1.09
1.25
1.38
V
(sensing at FB5 pin)
Nch FET ON resistance(7)
VPS = 5 V
610
900
m
Load switch ON resistance
1.5 V < VCC5 < 5.5 V
100
470
m
(between VCC5 and SW5)
Load switch ramp-up time
1.5 V < VCC5 < 5.5 V,
200
S
(between VCC5 and SW5)
(6)
SWOUT capacitance = 4.7
F
Load switch leakage current
1
A
(between VCC5 and SW5)
Max duty cycle
96
98
%
Trigger voltage to start up CH6
SEQ56 = AGND
0.8
V
CH6
VCC6
Supply voltage
2.5
5.5
V
VOUT6
Output voltage(6)
–10
–5
V
VCC6 > 2.8 V, VOUT6 = –7.5 V,
IOUT6
Output current(6)
Feedback resistance: R1 = 136 k
,
100
mA
R2 = 820 k
VFB6
FB6 reference voltage
No load
–0.02
0
0.02
V
Overcurrent protection threshold
VCC6 > 2.8 V
1.1
1.35
A
Overvoltage protection threshold
–0.3
–0.2
–0.1
V
(sensing at FB6 pin)
Pch FET ON resistance(7)
VCC6 = 3.6 V
640
1100
m
Max duty cycle
84
91
98
%
Trigger voltage to power off CH6
SEQ56 = AGND
0.5
0.53
0.56
V
VS/S56
S/S56 pin voltage
1.22
1.25
1.28
V
IS/S56
S/S56 pin source current
S/S56 = AGND
170
200
230
A
CH7
VCC7
Supply voltage(6)
1.5
5.5
V
(6)
Specified by design
(7)
The value of FET ON resistance includes the resistance of bonding wire.
Copyright 2007–2008, Texas Instruments Incorporated
7
Product Folder Link(s): TPS65530
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