RT9524 RICHTEK [Richtek Technology Corporation], RT9524 Datasheet - Page 6

• Manufacturer Part Number: RT9524
• Description: Linear Single Cell Li-Ion Battery Charger IC for Portable Applications
• Manufacturer: RICHTEK [Richtek Technology Corporation]

(500mA/Div)
RT9524
www.richtek.com
6
I
CHARGER
CHGSB
(2V/Div)
(2V/Div)
(5V/Div)
PGB
USB 100 Mode Charge Current vs. Input Voltage
V
IN
100
900
825
750
675
600
525
450
375
300
ISET Mode Charge Current vs. Input Voltage
95
90
85
4.5
4.5
4.9
4.9
V
BATT
= 3.8V, R
Input Voltage(V)
Time (10ms/Div)
Input Voltage (V)
5.3
Power On
5.3
R = 680
R = 1.2k
ISET
=
680Ω, EN/SEB = Low
5.7
5.7
V
V
BATT
6.1
6.1
BATT
= 3.8V
= 3.8V
6.5
6.5
(500mA/Div)
I
CHARGER
EN/SEB
(1V/Div)
(2V/Div)
(2V/Div)
CHGS
USB 500 Mode Charge Current vs. Input Voltage
VLDO
1.53
1.52
1.51
1.50
1.49
1.48
1.47
415
405
395
385
375
365
4.2
4.5
ISET Voltage vs. Input Voltage
4.72
4.9
EN/SET Shut-Down
Input Voltage (V)
Input Voltage (V)
Time (1ms/Div)
5.24
5.3
R
ISET
DS9524-01 April 2011
5.76
5.7
= 1.2kΩ, V
V
6.28
BATT
6.1
BATT
V
IN
= 3.8V
= 3.8V
= 5V
6.5
6.8