MAX8934GETI+CAK Maxim Integrated, MAX8934GETI+CAK Datasheet - Page 10

• Manufacturer Part Number: MAX8934GETI+CAK
• Description: Battery Management Dual Input Linear Chargers Smart Power Selector
• Manufacturer: Maxim Integrated
• Series: MAX8934Gr

Specifications of MAX8934GETI+CAK

• Battery Type: Li-Ion, Li-Poly
• Output Voltage: 1 V
• Operating Supply Voltage: 4.1 V to 6.6 V
• Charge Safety Timers: Yes
• Operating Supply Current: 1 mA
• Product Type: Charge Management
• Temperature Monitoring: Yes

MAX8934G
Dual-Input Linear Charger, Smart Power Selector
with Advanced Battery Temperature Monitoring
(T
indicates charging.)
10
A
= +25NC, circuit of Figure 2, V
V
V
I
BATT
BATT
LDO
-10
-15
-20
-25
-30
-35
-40
-45
-50
-5
0
0.1
I
ALWAYS-ON LDO POWER-SUPPLY
REJECTION RATIO vs. FREQUENCY
LDO
V
I
RESISTIVE LOAD
LDO
SYS
LDO STARTUP WAVEFORMS
= 0
= 10mA
= 3.6V
FREQUENCY (kHz)
1
400Fs/div
DC
3.6V
3.3V
= 6V, V
10
V
V
MAX8934G toc27
THM
I
BAT
BAT
BATT
Typical Operating Characteristics (continued)
100
= 3.6V, thermistor Beta = 3964, unless otherwise noted. Negative battery current
2V/div
2V/div
50mA/div
THM COLD (< T2) TRANSITION
4.2V
10I RESISTOR FROM BATT TO GND
THM NORMAL TO
420mA
10ms/div
2.2V
4.075V
MAX8934G toc31
900
800
700
600
500
400
300
200
100
1V/div
200mV/div
200mA/div
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0.01
0
0.5
0.1
LDO OUTPUT VOLTAGE vs.
1.0
LDO NOISE DENSITY
V
V
BATTERY VOLTAGE
BATT
BATTERY VOLTAGE (V)
BATT
vs. FREQUENCY
FREQUENCY (kHz)
1
1.5
FALLING
RISING
2.0
10
2.5
V
I
RESISTIVE LOAD
100
LDO
BATT
= 10mA
3.0
= 3.8V,
1000
3.5
Maxim Integrated
10,000
4.0