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參數資料
| 型號： | TPS65161PWPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數： | 30/34頁 |
| 文件大小： | 847K |
| 代理商： | TPS65161PWPRG4 |
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www.ti.com ............................................................................................................................................... SLVS617D – APRIL 2006 – REVISED SEPTEMBER 2009
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12 V, SUP = VIN, EN1 = EN2 = VIN, VS = 15 V, V(LOGIC) = 3.3 V, TA = –40°C to 85°C, typical values are at TA = 25°C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
NEGATIVE CHARGE-PUMP VGL
VO
Output voltage range
–2
V
V(FBN)
Feedback regulation voltage
–36
0
36
mV
I(FBN)
Feedback input bias current
10
100
nA
TPS65161, TPS65161A; IOUT = 20 mA
4.4
rDS(on)
Q4 P-Channel switch rDS(on)
TPS65161B; IOUT = 20 mA
3.7
I(DRN) = 50 mA,
0.13
0.19
V(FBN) = V(FBN)nominal –5%
TPS65161,
TPS65161A
I(DRN) = 100 mA,
0.27
0.42
V(FBN) = V(FBN)nominal –5%
V(DropN)
Current sink voltage drop (3)
V
I(DRN) = 100 mA,
0.24
0.42
V(FBN) = V(FBN)nominal –5%
TPS65161B
I(DRN) = 200 mA,
0.52
0.90
V(FBN) = V(FBN)nominal –5%
POSITIVE CHARGE-PUMP OUTPUT VGH
V(FBP)
Feedback regulation voltage
1.187
1.213
1.238
V
I(FBP)
Feedback input bias current
10
100
nA
rDS(on)
Q3 N-Channel switch rDS(on)
IOUT = 20 mA
1.1
I(DRP) = 50 mA,
0.40
0.68
V(FBP) = V(FBP)nominal –5%
TPS65161,
TPS65161A
I(DRP) = 100 mA,
0.85
1.60
V(FBP) = V(FBP)nominal –5%
Current source voltage drop
V(DropP)
V
(V(SUP) – V(DRP))
(4)
I(DRP) = 100 mA,
0.63
1.60
V(FBP) = V(FBP)nominal –5%
TPS65161B
I(DRP) = 200 mA,
1.40
3.20
V(FBP) = V(FBP)nominal –5%
(3)
The maximum charge-pump output current is typically half the drive current of the internal current source or current sink.
(4)
The maximum charge-pump output current is typically half the drive current of the internal current source or current sink.
Copyright 2006–2009, Texas Instruments Incorporated
5
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