TJ1051D HTC [HTC Korea TAEJIN Technology Co.], TJ1051D Datasheet - Page 3

• Manufacturer Part Number: TJ1051D
• Description: CONSTANT VOLTAGE & CONSTANT CURRENT CONTROLLER
• Manufacturer: HTC [HTC Korea TAEJIN Technology Co.]

CONSTANT VOLTAGE & CONSTANT CURRENT CONTROLLER
ELECTRICAL CHARACTERISTICS
Note 1. If the voltage on V
Note 2. The internal Voltage Reference is set at 1.210V (bandgap reference). The voltage control loop precision takes into account the
Note 3. When the positive input at I
Note 4. The internal current sense threshold is set to -200mV. The current control loop precision takes into account the cumulative effects of
2008 – Rev. 1.1
Total Current Consumption
Voltage Control Loop
Current Control Loop
Output Stage
Symbol
V
V
G
SENSE
G
V
I
I
I
I
IBV
CC
REF
OS
IBI
MV
OL
MI
by 1mV, the sinking current at the output will be increased by 3.5mA.
cumulative effects of the internal voltage reference deviation as well as the input offset voltage of the trans-conductance operational
amplifier. The internal Voltage Reference is fixed by bandgap, and trimmed to 0.5% accuracy at room temperature.
increased by 7mA.
the internal voltage reference deviation as well as the input offset voltage of the trans-conduction operational amplifier.
Total Supply Current - not taking the
output sinking current into account
Transconduction Gain (V
Sink Current Only
Voltage Control Loop
Input Bias Current (V
Transconduction Gain (I
Current Only
Current Control Loop
Current out of pin I
Low output voltage at 10 mA sinking
current
Output Short Circuit Current. Output to
V
CC
. Sink Current Only
CTRL
Parameters
(Note 3)
(the negative input of the amplifier) is higher than the positive amplifier input (V
CTRL
(Note 1)
CTRL
CTRL
(Note 2)
(Note 4)
is lower than -200mV, and the voltage is decreased by 1mV, the sinking current at the output will be
at -200mV
CTRL
)
CTRL
).
). Sink
T
0 < T
T
0 < T
T
0 < T
T
0 < T
T
0 < T
Iout = 2.5 mA
0 < T
T
0 < T
T
0 < T
T
0 < T
A
A
A
A
A
A
A
A
= 25℃
= 25℃
= 25℃
= 25℃
= 25℃
= 25℃
= 25℃
= 25℃
A
A
A
A
A
A
A
A
A
- 3 -
Condition
< 85°C
< 85°C
< 85°C
< 85°C
< 85°C
< 85°C
< 85°C
< 85°C
< 85°C
(T
A
=25℃ and V
1.198
1.186
Min.
196
192
1.5
1
CC
= +5V, unless otherwise specified)
Typ.
1.21
100
200
200
1.1
1.2
3.5
2.5
50
30
40
27
35
7
REF
=1.210V), and it is increased
Max.
1.222
1.234
204
208
60
2
TJ1051
mA/mV
mA/mV
Unit
HTC
mA
mV
mV
mA
μA
nA
V