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| 型号： | TPS65530ARSLT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.6 A BATTERY CHARGE CONTROLLER, 1650 kHz SWITCHING FREQ-MAX, PQCC48 |
| 封装： | 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, VQFN-48 |
| 文件页数： | 31/32页 |
| 文件大小： | 923K |
| 代理商： | TPS65530ARSLT |
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SLVS835C – APRIL 2008 – REVISED APRIL 2009............................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
0°C
≤ TJ ≤ 125°C, 1.8 V ≤ VCC2 ≤ 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
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(4)
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)
(5)
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(5)
–10
–5
V
VCC6 > 2.8 V, VOUT6 = –7.5 V,
IOUT6
Output current(5)
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(6)
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(7)
1.5
5.5
V
VOUT7
Output voltage(8)
VCC7 < VOUT7
3
20
V
VCC7 > 2.4 V, VOUT7 = 15 V,
Feedback resistance: R1 = 47 k
,
IOUT7_L
Lower output current(7)
3.7
5
6.3
mA
R2 = 680 k
, Rsense = 10 ,
B_ADJ pin voltage = 0 V
VCC7 > 2.4 V, VOUT7 = 15 V,
Feedback resistance: R1 = 47 k
,
IOUT7_H
Higher output current(7)
23.7
25
26.3
mA
R2 = 680 k
, Rsense = 10 ,
B_ADJ pin voltage = 1 V
VFBV
FBV reference voltage
No load
0.97
1
1.03
V
Overvoltage protection threshold
1.15
1.25
1.35
V
(sensing at FBV pin)
Overcurrent protection threshold
0.8
1.2
A
Nch FET ON resistance(6)
700
1200
m
Max duty cycle
86
91
99
%
Load switch ON resistance
2
4
Load switch leakage current
1
A
(between C-IN and FBC)
RB-ADJ
B-ADJ pin input impedance
1
M
Ω
(6)
The value of FET ON resistance includes the resistance of bonding wire.
(7)
Specified by design
(8)
Due to constant current control for CH7, the operating condition is that Input voltage is less than LED supply voltage (output voltage).
8
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS65530A
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