2

© 2007 Semtech Corp.

www.semtech.com

SC804

PRELIMINARY

POWER MANAGEMENT

Unless otherwise noted: VCC = 4.75V - 5.25V. Typical values are at T

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Operating Voltage

VCC

OP

4.2

5.0

V

VCC UVLO Rising

Threshold

VT

UVLOR

Charging begins when

threshold is exceeded

3.8

4.0

4.2

V

VCC UVLO Falling

Threshold

VT

UVLOF

Charging continues until

threshold is reached

2.8

3.0

3.2

V

VCC OVP Rising

Threshold

VT

OVPR

6.5

6.8

7.25

V

VCC OVP Falling

Threshold

VT

OVPF

6.1

6.5

6.85

V

VCC OVP Hysteresis

VT

OVPH

200

350

600

mV

Operating Current

ICC

DIS

Shutdown Mode - CHRGB, CPB,

OVPB, FLTB off NTC = 0V

1.9

mA

ICC

CHG

Charging Mode - CHRGB, CPB,

OVPB, FLTB off NTC = 2.5V

2.0

Exceeding the specifications below may result in permanent damage to the device or device malfunction. Operation outside of the parameters specified in the

Electrical Characteristics section is not implied.

Parameter

Symbol

Maximum

Units

VCC, CTO, NTC to GND

-0.3 to 14.0

V

VOUT, BSEN, RTIM, AFC, IPRGM, CPB, CHRGB, OVPB,

ITERM, FLTB, to GND

-0.3 to +6.0

V

RGND to GND

-0.3 to 0.3

V

VOUT Output Current

I

VOUT

1.5

A

Power Dissipation MLP (Derate 20mW/°C above 85°C)

Pd

2

W

θ

JA

48

°C/W

Junction Temperature

T

J

150

°C

Operating Ambient Temperature Range

T

A

-40 to +85

°C

IR Reflow Temperature

T

LEAD

260

°C

Storage Temperature Range

T

STG

-65 to 150

°C

VOUT short to GND

Continuous

V

ESD

2kV

Notes:

1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.

2) Tested according to JEDEC standard JESD22-A114-B.

Absolute Maximum Ratings

Electrical Characteristics