參數(shù)資料
型號(hào): TPS2346PWG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝: GREEN, TSSOP-24
文件頁數(shù): 23/30頁
文件大?。?/td> 490K
代理商: TPS2346PWG4
TPS2346
SLUS529 – MAY 2002
3
www.ti.com
electrical characteristics VI(VIN1) = 5.15 V, VI(VIN2) = 5 V, VI(VIN3) = 3.3 V, VI(VIN4) = –5.2 V,
TA = –40_C to 85_C (unless otherwise noted)
input supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC1
Supply current, VIN1
6
8
ICC2
Supply current, VIN2
1
2
ICC3
Input current, VIN3
0.5
1
mA
ICC4
Input current, VIN4
–1.5
–3
mA
ICC1(SLP) Sleep mode current, VIN1
VI(ENABLE) = 5 V
0.5
ICC2(SLP) Sleep mode current, VIN2
VI(ENABLE) = 5 V
1
ICC3(SLP) Sleep mode current, VIN3
VI(ENABLE) = 5 V
100
A
ICC4(SLP) Sleep mode current, VIN4
VI(ENABLE) = 5 V
–400
A
charge pump
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO(MAX)
Maximum output voltage
IO(CPUMP) = –25 A
17
23
V
ISOURCE
Peak output current
VO(CPUMP) = 15 V
–120
A
ZO
Charge pump source impedance
1V
I
O (CPUMP
+17 V) * IO (CPUMP+16 V)
200
k
precharge output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO(PCHG)1 Output voltage
VI(VIN2) = 4 V,
VI(VIN1/3/4) = 0 V
0.9
1
1.1
VO(PCHG)2 Output voltage, sourcing
VI(VIN2) = 4 V,
VI(VIN1/3/4) = 0 V,
IO(PRECHG) = –5 mA
0.8
1
1.2
V
VO(PCHG)3 Output voltage, sinking
VI(VIN2) = 4 V,
VI(VIN1/3/4) = 0 V,
IO(PRECHG) = 5 mA
0.8
1
1.2
V
tSTART
Startup time
VI(VIN2) = 4 V,
VI(VIN1/3/4) = 0 V
200
s
linear current amplifiers 1, 2, 3
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VMAX1
IMAX sense voltage (VIN1 – CS1)
16
20
24
VMAX2
IMAX sense voltage (VIN2 – CS2)
16
20
24
mV
VMAX3
IMAX sense voltage (VIN3 – CS3)
16
20
24
mV
IPK
Output peak current
–25
–5
ISINK
Output current sink
0.2
10
mA
IFAULT
Output current sink
Fault shutdown
150
mA
VOL
Low-level output voltage
Fault shutdown,
IO(GATEx) = 10 mA
0.5
V
VOH
High-level output voltage
IO(GATEx) = –4 A
VCPUMP–1
V
linear current amplifier 4
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VMAX4
IMAX sense voltage (VIN4 – CS4)
–75
–150
–225
mV
IOL1
Output leakage current
Fault shutdown
–10
10
A
IOL2
Output leakage current
Sleep mode
–10
10
A
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