LTC4061 Datasheet, PDF (2/20 Pages) Linear Technology – Standalone Linear Li-lon Battery Charger with Thermistor Input

LTC4061
ABSOLUTE AXI U RATI GS
(Note 1)
Input Supply Voltage (V_CC) ........................ –0.3V to 10V
⎯E⎯N, ⎯A⎯C⎯P⎯R, ⎯C⎯H⎯R⎯G, NTC, PROG,
⎯C⎯/⎯5, BAT ..................................................... –0.3V to 10V
TIMER, I_DET .................................... –0.3V to V_CC + 0.3V
BAT Short-Circuit Duration............................Continuous
V_CC Pin Current...........................................................1A
BAT Pin Current ..........................................................1A
Maximum Junction Temperature (Note 5) ............ 125°C
Operating Temperature Range (Note 2) ...–40°C to 85°C
Storage Temperature Range...................–65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
BAT 1
NTC 2
TIMER 3
ACPR 4
CHRG 5
10 V_CC
9 PROG
11
8 I_DET
7 EN
6 C/5
T_JMAX = 125°C, θ_JA = 40°C/W (NOTE 3)
EXPOSED PAD IS GROUND (PIN 11)
MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
LTC4061EDD
DD PART
MARKING
LBJS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_CC = 5V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_CC
I_CC
V_FLOAT
I_BAT
Input Supply Voltage
Input Supply Current
V_BAT Regulated Output Voltage
BAT Pin Current
● 4.3
8
V
Charge Mode (Note 4), R_PROG = 10k
●
Standby Mode, Charge Terminated
●
Shutdown (⎯E⎯N = 5V, V_CC < V_BAT or V_CC < V_UV) ●
240
500
µA
130
300
µA
20
50
µA
4.185 4.2 4.215
V
0 ≤ T_A ≤ 85°C
4.175 4.2 4.225
V
R_PROG = 10k, Constant Current Mode
● 93
100
107
mA
R_PROG = 1.25k, Constant Current Mode
● 760
800
840
mA
Standby Mode, Charge Terminated
●
±1
±2
µA
Shutdown Mode
●
±1
±2
µA
V_PROG
V^⎯_A^⎯_C^⎯_P^⎯_R
V^⎯_C^⎯_H^⎯_R^⎯_G
I_TRIKL
PROG Pin Voltage
⎯A⎯C⎯P⎯R Output Low Voltage
⎯C⎯H⎯R⎯G Output Low Voltage
Trickle Charge Current
R_PROG = 10k, Constant Current Mode
R_PROG = 1.25k, Constant Current Mode
I⎯_A⎯_C⎯_P⎯_R = 5mA
I⎯_C⎯_H⎯_R⎯_G = 5mA
V_BAT < V_TRIKL, R_PROG = 10k
V_BAT < V_TRIKL, R_PROG = 1.25k
0.97
1
1.03
V
0.97
1
1.03
V
0.1 0.25
V
0.1 0.25
V
6
10
14
mA
60
80
100
mA
V_TRIKL
Trickle Charge Threshold Voltage
V_BAT Rising
Hysteresis
2.8
2.9
3
V
100
mV
V_UV
V_CC Undervoltage Lockout Voltage
From Low to High
Hysteresis
3.7
3.8
3.9
V
200
mV
V_ASD
V_CC – V_BAT Lockout Threshold Voltage V_CC from Low to High, V_BAT = 4.3V
V_CC from High to Low, V_BAT = 4.3V
145
190
230
mV
10
45
75
mV
R^⎯_E^⎯_N
⎯E⎯N Pin Pull-Down Resistor
●2
3.4
5
MΩ
V^⎯_E^⎯_N
⎯E⎯N Input Threshold Voltage
⎯E⎯N Rising, 4.3V < V_CC < 8V
Hysteresis
0.4
0.7
1
V
70
mV
V_CT
Charge Termination Mode Threshold V_TIMER from High to Low
Voltage
Hysteresis
0.4
0.7
1
V
50
mV
4061fa
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