Datasheet

2
LTC1734
ORDER PART
NUMBER
(Note 1)
Supply Voltage (V
CC
) ...................................–0.3V to 9V
Input Voltage (BAT, PROG) ........ –0.3V to (V
CC
+ 0.3V)
Output Voltage (DRIVE) .............. –0.3V to (V
CC
+ 0.3V)
Output Current (I
SENSE
) ................................... –900mA
Short-Circuit Duration (DRIVE) ...................... Indefinite
Junction Temperature.......................................... 125°C
Operating Ambient Temperature Range
(Note 2) ...............................................–40°C to 85°C
Operating Junction Temperature (Note 2) ............ 100°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LTC1734ES6-4.1
LTC1734ES6-4.2
T
JMAX
= 125°C, θ
JA
= 230°C/W
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
U
S6 PART MARKING
LTHD
LTRG
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V, GND = 0V and V
BAT
is equal to the float voltage unless
otherwise noted. All current into a pin is positive and current out of a pin is negative. All voltages are referenced to GND, unless
otherwise specified.
ELECTRICAL CHARACTERISTICS
I
SENSE
1
GND 2
V
CC
3
6 DRIVE
5 BAT
4 PROG
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC SOT-23
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply
V
CC
Operating Supply Range (Note 5) ● 4.55 8 V
I
CC
Quiescent V
CC
Pin Supply Current V
BAT
= 5V, (Forces I
DRIVE
= I
BAT
= 0), ● 670 1150 µA
I
PROG
= 200µA,(7500Ω from PROG to GND)
I
SHDN
V
CC
Pin Supply Current in Manual Shutdown PROG Pin Open ● 450 900 µA
I
BMS
Battery Drain Current in Manual Shutdown PROG Pin Open ● –1 0 1 µA
(Note 3)
I
BSL
Battery Drain Current in Sleep Mode (Note 4) V
CC
= 0V ● –1 0 1 µA
V
UVLOI
Undervoltage Lockout Exit Threshold V
CC
Increasing ● 4.45 4.56 4.68 V
V
UVLOD
Undervoltage Lockout Entry Threshold V
CC
Decreasing ● 4.30 4.41 4.53 V
V
UVHYS
Undervoltage Lockout Hysteresis V
CC
Decreasing 150 mV
Charging Performance
V
BAT
Output Float Voltage in Constant Voltage Mode 4.1V Version, I
BAT
= 10mA, 4.55V ≤ V
CC
≤ 8V ● 4.059 4.10 4.141 V
4.2V Version, I
BAT
= 10mA, 4.55V ≤ V
CC
≤ 8V ● 4.158 4.20 4.242 V
I
BAT1
Output Full-Scale Current When Programmed R
PROG
= 7500Ω, 4.55V ≤ V
CC
≤ 8V, ● 155 200 240 mA
for 200mA in Constant Current Mode Pass PNP Beta > 50
I
BAT2
Output Full-Scale Current When Programmed R
PROG
= 2143Ω, 4.55V ≤ V
CC
≤ 8V, ● 620 700 770 mA
for 700mA in Constant Current Mode Pass PNP Beta > 50
V
CM1
Current Monitor Voltage on PROG Pin I
BAT
= 10% of I
BAT1
, R
PROG
= 7500Ω, 0.045 0.15 0.28 V
4.55V ≤ V
CC
≤ 8V, Pass PNP Beta > 50,
0°C ≤ T
A
≤ 85°C
V
CM2
Current Monitor Voltage on PROG Pin I
BAT
= 10% of I
BAT2
, R
PROG
= 2143Ω, 0.10 0.15 0.20 V
4.55V ≤ V
CC
≤ 8V, Pass PNP Beta > 50,
0°C ≤ T
A
≤ 85°C
I
DSINK
Drive Output Current V
DRIVE
= 3.5V ● 30 mA
Consult LTC Marketing for parts specified with wider operating temperature ranges.