SGS Thomson Microelectronics TSM1011IST, TSM1011IDT, TSM1011ID, TSM1011AIST, TSM1011AID Datasheet
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Revision B 1/9
■ Constant voltage and constant current
control
■ Low voltage operation
■ Low external component count
■ Current sink output s tage
■ Easy compensation
■ 2KV ESD protection
■ VOLTAGE REFERENCE:
l
Fixed output voltage reference
2.545V
l
0.5% and 1% voltage precision
DESCRIPTION
The TSM1011 is a highly integrated solution for
SMPS applications requiring CV (constant
voltage) and CC (constant current) modes.
The TSM1011 integrates one voltage reference
and two operational amplifiers (with ORed outputs
—common collectors).
The voltage reference combined with one
operational amplifier makes it an ideal voltage
controller. The other operational amplifier,
combined with few external resistors and the
voltage reference, can be used as a current
limiter.
APPLICATIONS
■ Adapters
■ Battery chargers
ORDER CODE
D = Small Outline Package (SO) - also available in Tape & Reel (DT
ST = Small Outline Package (MiniSO8) only available in Tape & Reel
PIN CONNECTIONS (top view)
Part Number
Temperature
Range
Package
Marking
SD
TSM1011ID 0 to 105°C • M1011
TSM1011AID 0 to 105°C • M1011A
TSM1011IS 0 to 105°C • M802
TSM1011AIS 0 to 105°C • M803
1
2
3
45
6
Cc-
Gnd
VccVref
Out 7
8
Cc+
Cv+Cv-
D
SO-8
(Plastic Package)
D
MiniSO-8
(Plastic Micropackage)
TSM1011
Constant Voltage and Constant Current Controller
for Battery Chargers and Adapters
September 2003
TSM1011 PIN DESCRIPTIONS
2/9
1 PIN DESCRIPTIONS
SO8 & MiniSO8 Pinout
2 ABSOLUTE MAXIMUM RATINGS
3 OPERATING CONDITIONS
Name Pin # Type Function
Vref 1 Analog Output Voltage Reference
Cc- 2 Analog Input Input pin of the operational amplifier
Cc+ 3 Analog Input Input pin of the operational amplifier
Cv- 4 Analog Input Input pin of the operational amplifier
Cv+ 5 Analog Input Input pin of the operational amplifier
Gnd 6 Power Supply Ground Line. 0V Reference For All Voltages
Out 7 Analog Output Output of the two operational amplifier
Vcc 8 Power Supply Power supply line.
Symbol DC Supply Voltage Value Unit
Vcc DC Supply Voltage (50mA =< Icc) -0.3V to Vz V
Vi Input Voltage -0.3 to Vcc V
PT Power dissipation W
Toper Operational temperature 0 to 105 °C
Tstg Storage temperature -55 to 150 °C
Tj Junction temperature 150 °C
Iref Voltage reference output current 10 mA
ESD Electrostatic Discharge 2 KV
Rthja Thermal Resistance Junction to Ambient Mini SO8 package 180 °C/W
Rthja Thermal Resistance Junction to Ambient SO8 package
175
°C/W
Symbol Parameter Value Unit
Vcc DC Supply Conditions 4.5 to Vz V
ELECTRICAL CHARACTERISTICS TSM1011
3/9
4 ELECTRICAL CHARACTERISTICS
T
amb
= 25°C and Vcc = +18V (unless otherwise specified)
Symbol Parameter Test Condition Min Typ Max Unit
Total Current Consumption
Icc Total Supply Current, excluding current
in Voltage Reference.
Vcc = 18V, no load
Tmin. < Tamb < Tmax.
1mA
Vz Vcc clamp voltage Icc = 50mA 28 V
Operators
V
io
Input Offset Voltage
TSM1011
TSM1011A
T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
1
0.5
4
5
2
3
mV
DV
io
Input Offset Voltage Drift 7
µ
V/°C
I
io
Input Offset Current T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
23050nA
I
ib
Input Bias Current T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
20
50
150
200
nA
SVR Supply Voltage Rejection Ratio V
CC
= 4.5V to 28V 65 100 dB
Vicm Input Common Mode Voltage Range for CV op-amp 1.5 Vcc-1.5 V
Vicm Input Common Mode Voltage Range for CC op-amp 0 Vcc-1.5 V
CMR Common Mode Rejection Ratio T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
70
60
85 dB
Output stage
Gm Transconduction Gain. Sink Current
Only
1
1) The cur rent depend s on the difference voltage bewee n the negati ve and the positive input s of the amp l i fier. If the voltage on the minus
input is 1mV higher than the positive amplifier, the sinking current at the output OUT will be increased by 3.5mA.
T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
1 3.5
2.5
mA/mV
Vol Low level output voltage at 10 mA
sinking current
200 600 mV
Ios Output Short Circuit Current. Output to
Vcc. Sink Current Only
T
amb
= 25°C
T
min.
≤ T
amb
≤ T
max.
27 50 mA
Voltage reference
V
ref
Reference Input Voltage, Iload=1mA
TSM1011 1% precision
TSM1011A 0.5% precision
T
amb
= 25°C
2.519
2.532
2.545
2.545
2.57
2.557
V
∆
V
ref
Reference Input Voltage Deviation Over
Temperature Range T
min.
≤ T
amb
≤ T
max.
20 30 mV
RegLine Reference input voltage deviation over
Vcc range.
Iload = 5mA 20 mV
RegLoad Reference input voltage deviation over
output current.
Vcc = 18V,
0 < Iload < 10mA
10 mV
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