RT9526 datasheet(7/14 Pages) RICHTEK

Part #	RT9526

Description	Linear Single Cell Li-Ion Battery Charger with Input Over Voltage Protection

PDF	14 Pages

Scroll/Zoom	100%

Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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7 / 14 page

RT9526

DS9526-01 April 2011

www.richtek.com

Typical Operating Characteristics

Battery Regulation Voltage vs. Input Voltage

3.2

3.4

3.6

3.8

4.0

4.2

4.4

Input Voltage (V)

IBATT = 20mA

Charging Current vs. Input Voltage

100

105

110

115

120

125

130

135

140

145

150

155

3.0

4.5

6.0

7.5

9.0

10.5

Input Voltage (V)

RISET = 24.9

VBATT = 3V

VBATT = 3.7V

Battery Regulation Voltage vs. Charge Current

4.10

4.12

4.14

4.16

4.18

4.20

4.22

4.24

4.26

4.28

4.30

100

200

300

400

500

Change Current (mA)

VIN = 5V

Battery Current vs. Charging Time

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.20

5000 10000 15000 20000 25000 30000 35000

Charging Time (s)

VIN = 5V, RISET = 29.4k

Ω,

RIMIN = 137k

Battery Current vs. Charging Time

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5000 10000 15000 20000 25000 30000 35000

Charging Time (s)

VIN = 5V, RISET = 29.4k

Ω,

RIMIN = 137k

Charge Current vs. Battery Voltage

100

150

200

250

300

350

400

450

500

0.5

1.3

2.1

2.9

3.7

4.5

Battery Voltage (V)

RISET = 9.1k

RISET = 29.4k

RISET = 9.1k

VIN = 5V

RT9526 Datasheet(PDF) 7 Page - Richtek Technology Corporation

RT9526 Datasheet(HTML) 7 Page - Richtek Technology Corporation

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