PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Electrical Characteristics1
VIN = 5V, VBAT = 3.6V, -40°C ≤ TA ≤ +85°C, unless noted otherwise. Typical values are TA = 25°C.
Symbol
Description
Conditions
Min Typ Max Units
Logic Control / Protection (continued)
VOCP
TC
TK
TV
ITS
Over Current Protection Threshold
Constant Current Mode Time Out
Trickle Charge Time Out
Constant Voltage Mode Time Out
Current Source from TS Pin
105
3
TC/8
3
%VCS
Hours
Hours
Hours
μA
CCT = 100nF, VCHGIN = 5V
71
75
79
Falling Threshold
Hysteresis
Rising Threshold
Hysteresis
318
331
25
2.39
25
115
85
100
346
TS1
TS2
TS Hot Temperature Fault
TS Cold Temperature Fault
mV
2.30
2.48
V
mV
°C
°C
°C
TLOOP_IN
TLOOP_OUT
TREG
Thermal Loop Entering Threshold
Thermal Loop Exiting Threshold
Thermal Loop Regulation
Load Switches / SYSOUT LDO
On-Resistance of BAT-SYSOUT
Load Switch
On-Resistance of CHGIN-SYSOUT
Load Switch
RDS(ON),BAT-SYSOUT
VBAT = 3.6V
100
0.5
150
mΩ
RDS(ON),CHGIN-SYSOUT
VCHGIN = 4.5V
0.75
Ω
Sysout LDO Input Voltage Range
Sysout LDO Output Voltage
4.5
3.4
V
V
ISYSOUT < 900mA, VCHGIN = 4.5V ~ 6.0V
3.9
4.2
Step-Down Buck Converter (Core)
VOUTBUCK
ILIMOUTBUCK
RDS(ON)L
RDS(ON)H
FOSC
Output Voltage Accuracy
P-Channel Current Limit
High Side Switch On-Resistance
Low Side Switch On-Resistance
Oscillator Frequency
IOUTBUCK = 0 ~ 300mA; VIN = 2.7V ~ 5.5V
1.71
1.80
0.8
0.8
0.8
1.5
1.89
V
A
Ω
Ω
MHz
TA = 25°C
From Enable to Regulation; COUTBUCK
4.7μF, CNOISE = On
=
TS
Start-Up Time
100
μs
LDO1 (PowerDigital)
VOUT1
IOUT1
ILIM1
Output Voltage Accuracy
Output Current
Output Current Limit
Dropout Voltage
Line Regulation
IOUT1 = 0~300mA, VAVINx = 3.3V ~ 5.5V
-3
300
+3
%
mA
mA
mV
%/V
mV
dB
1000
150
VDO1
IOUT1 = 300mA
IOUT1 = 100mA, 3.3V < VAVINx < 5.5V
IOUT1 = 0.5mA ~ 150mA
300
0.07
ΔVOUT1(VOUT1ΔVIN1
ΔVOUT1
)
Load Regulation
Power Supply Rejection Ratio
40
60
PSRR
IOUT1 = 10mA, COUT1=22μF, 100Hz ~ 10KHz
From Enable to Regulation; COUT1 = 22μF,
CNOISE = On
TS
Start Up Time
175
μs
1. Specification over the –40°C to +85°C operating temperature range is assured by design, characterization and correlation with statistical process controls.
w w w . a n a l o g i c t e c h . c o m
2601.2008.01.1.0
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
