LTC4063_15 Datasheet, PDF (6/20 Pages) Linear Technology – Standalone Linear Li-Ion Charger with Micropower Low Dropout Linear Regulator

LTC4063
Typical Performance Characteristics T_A = 25°C, unless otherwise noted.
LDO Regulator Dropout Voltage
vs Temperature
200
V_OUT = 3V
I_OUT = 100mA
150
100
50
LDO Regulator Quiescent Current
vs Temperature
25
20
V_BAT = 4.2V
15
V_BAT = 2.65V
10
5
LDO Regulator Output Noise
Spectral Density
10
1
0.1
0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4063 G19
LDO Regulator Dropout Voltage
vs Load Current
180
V_OUT = 3V
150
T_A = 115°C
120
T_A = 90°C
90
60
T_A = 25°C
T_A = –40°C
30
0
0 20 40 60 80 100 120
LOAD CURRENT (mA)
4063 G26
0
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
4060 G20
LDOEN Pin Threshold (On-to-Off)
vs Temperature
900
V_BAT = 4V
850
800
750
700
650
600
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4063 G22
0.01
10
100
1k
10k
FREQUENCY (Hz)
100k
4063 G24
LDOEN Pin Pull-Down Resistance
vs Temperature
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
4063 G23
LDO Regulator 10Hz to 100kHz
Output Noise
LDO Regulator Transient
Response
V_OUT
500µV/
DIV
C_OUT = 2.2µF
I_LOAD = 100mA
V_OUT = 3V
10ms/DIV
135µV_RMS
4063 G21
OUTPUT
VOLTAGE
DEVIATION
50mV/DIV
LOAD
CURRENT
50mA/DIV
C_OUT = 2.2µF
V_OUT = 1.2V
50µs/DIV
4063 G25
4063fc