TPS2346
SLUS529 MAY 2002
3
www.ti.com
electrical characteristics V
I(VIN1)
= 5.15 V, V
I(VIN2)
= 5 V, V
I(VIN3)
= 3.3 V, V
I(VIN4)
= 5.2 V,
T
A
= 40_C to 85_C (unless otherwise noted)
input supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I
CC1
Supply current, VIN1
6
8
I
CC2
Supply current, VIN2
1
2
I
CC3
Input current, VIN3
0.5
1
I
CC4
Input current, VIN4
1.5
3
mA
I
CC1(SLP)
Sleep mode current, VIN1
V
I(ENABLE
)
= 5 V
0.5
I
CC2(SLP)
Sleep mode current, VIN2
V
I(ENABLE
)
= 5 V
1
I
CC3(SLP)
Sleep mode current, VIN3
V
I(ENABLE
)
= 5 V
100
I
CC4(SLP)
Sleep mode current, VIN4
V
I(ENABLE
)
= 5 V
400
礎
charge pump
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
O(MAX)
Maximum output voltage
I
O(CPUMP)
= 25 礎
17
23
V
I
SOURCE
Peak output current
V
O(CPUMP)
= 15 V
120
礎
Z
O
Charge pump source impedance
1 V
I
O(CPUMP+17 V)
*
I
O (CPUMP+16 V)
200
k&
precharge output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
O(PCHG)1
Output voltage
V
I(VIN2)
= 4 V,
V
I(VIN1/3/4)
= 0 V
0.9
1
1.1
V
O(PCHG)2
Output voltage, sourcing
V
I(VIN2)
= 4 V,
V
I(VIN1/3/4)
= 0 V,
I
O(PRECHG)
= 5 mA
0.8
1
1.2
V
V
O(PCHG)3
Output voltage, sinking
V
I(VIN2)
= 4 V,
V
I(VIN1/3/4)
= 0 V,
I
O(PRECHG)
= 5 mA
0.8
1
1.2
t
START
Startup time
V
I(VIN2)
= 4 V,
V
I(VIN1/3/4)
= 0 V
200
祍
linear current amplifiers 1, 2, 3
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
MAX1
IMAX sense voltage (VIN1 CS1)
16
20
24
V
MAX2
IMAX sense voltage (VIN2 CS2)
16
20
24
mV
V
MAX3
IMAX sense voltage (VIN3 CS3)
16
20
24
I
PK
Output peak current
25
5
I
SINK
Output current sink
0.2
10
mA
I
FAULT
Output current sink
Fault shutdown
150
V
OL
Low-level output voltage
Fault shutdown,
I
O(GATEx)
= 10 mA
0.5
V
OH
High-level output voltage
I
O(GATEx)
= 4 礎
V
CPUMP
1
V
linear current amplifier 4
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VMAX4
IMAX sense voltage (VIN4 CS4)
75
150
225
mV
I
OL1
Output leakage current
Fault shutdown
10
10
I
OL2
Output leakage current
Sleep mode
10
10
礎
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