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TPS65520 Datasheet(PDF) 6 Page - Texas Instruments

Part No. TPS65520
Description  POWER MANAGEMENT IC FOR DIGITAL STILL CAMERA
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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www.ti.com
TPS65520
SLVS557A – MARCH 2005 – REVISED MARCH 2005
ELECTRICAL CHARACTERISTICS (continued)
T
A = 25°C, VCC1 = 3.6 V, VCC2 = 3.6 V, VCC5 = 4.9 V, VCC7 = 4.9 V, VCC8 = 3.6 V, VCH8 = 3.6 V, VCH3 = 4.9 V,
VCH_GD = 4.9 V, LDO4_ON = L, and all register bits are default value (unless otherwise noted) .
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CH-4
Vout4 = 00(bin), TA = –10 ~ 65°C
14.700
15
15.300
V
Vout4 = 01(bin), TA = –10 ~ 65°C
15.190
15.5
15.810
V
VCH4
Error amp center voltage
Vout4 = 10(bin), TA = –10 ~ 65°C
15.680
16
16.320
V
Vout4 = 11(bin), TA = –10 ~ 65°C
16.170
16.5
16.830
V
gm4
gm value of error amp
0.8
1
1.2
mS
VoCH4(4)
Output voltage
On EVM, TA = –10 ~ 65°C
14.700
15.0
15.300
V
∆Vli4(4)
Line regulation
On EVM
–150
150
mV
∆Vlo4(4)
Load regulation
On EVM
–150
150
mV
IOUT4(4)
Minimum Load current
On EVM, [CH-4 input voltage] = 1.8 V
50
mA
VSCP4
SCP detector threshold
Ratio to VCH4
75%
80%
85%
CH-5
Vout5=00(bin), TA = –10 ~ 65°C
–7.650
–7.5
–7.350
V
Vout5=01(bin), TA = –10 ~ 65°C
–8.160
–8.0
–7.840
V
VCH5
Error amp center voltage
Vout5=10(bin), TA = –10 ~ 65°C
–8..670
–8.5
–8.330
V
Vout5=11(bin), TA = –10 ~ 65°C
–9.180
–9.0
–8.820
V
gm5
gm value of error amp
0.8
1.0
1.2
mS
VoCH5(5)
Output voltage
On EVM, TA = –10 ~ 65°C
–7.650
–7.5
–7.350
V
∆Vli5(5)
Line regulation
On EVM
–75
75
mV
∆Vlo5(5)
Load regulation
On EVM
–75
75
mV
IOUT5(5)
Minimum Load current
On EVM,VCC5 = 4.9 V
50
mA
VSCP5
SCP detector threshold
75%
80%
85%
CH-6
Vout5 = 00(bin), TA = –10 ~ 65°C
0.2482
0.264
0.2798
V
VFB6
Error amp center voltage
Vout5 = 01(bin), TA = –10 ~ 65°C
0.4136
0.440
0.4664
V
Vout5 = 10(bin), TA = –10 ~ 65°C
0.1654
0.176
0.1866
V
gm6
gm value of error amp
0.8
1
1.2
mS
ICH6(5)
Output voltage
On EVM, TA = –10 ~ 65°C
11.28
12
12.72
mA
∆Vli6(5)
Line regulation of VFB6
On EVM
–120
120
µA
VOCP
OCP detector threshold
Monitor at FB6
0.80
0.85
0.90
V
VOVP6
OVP detector threshold
21.0
22
23.0
V
VREF6L
CH-6 disable threshold, low side
0.16
0.21
0.26
V
VREF6H
CH-6 disable threshold, high side
VCH1 = 2.8 V
1.7
2
2.3
V
VfDI6
Forward voltage of integrated diode
I(OUT6 = VCH6) = 20 mA
0.9
V
(5)
Not production tested. Assured by design. Using reference EVM.
6



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