SC4602AIMSTRT データシートの表示（PDF） - Semtech Corporation

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SC4602AIMSTRT

High Efficiency Synchronous, Step Down Controller

Semtech Corporation 

SC4602A/B

POWER MANAGEMENT

Absolute Maximum Ratings

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

Supply Voltage (VCC)

Output Drivers (PDRV, NDRV) Currents Continuous

7

V

±0.25

A

Inputs (VSENSE, COMP, SYNC/SLEEP, FS, ISET)

-0.3 to 7

V

Phase

-0.3 to 7

V

Phase Pulse tpulse < 50ns

-2 to 7

V

Operating Ambient Temperature Range

Storage Temperature Range

Maximum Junction Temperature

Thermal Impedance Junction to Case

Thermal Impedance Junction to Ambient

Lead Temperature (Soldering) 10 Sec.

ESD Rating (Human Body Model)

TA

TSTG

TJ

θJC

θJA

TLEAD

ESD

-40 to +85

-65 to +150

+150

41.9

113.1

+300

2

°C

°C

°C

°C/W

°C/W

°C

kV

All voltages with respect to GND. Currents are positive into, negative out of the specified terminal.

Electrical Characteristics

Unless otherwise specified, VCC = 3.3V, TA = -40oC to 85oC, TA = TJ.

Parameter

Test Conditions

Min

Typ

Max

Unit

Overall

Supply Voltage

Supply Current, Sleep

Supply Current, Operating

VCC Turn-on Threshold

VCC Turn-off Hysteresis

Error Amplifier

VSYNC/SLEEP = 0V

2.75

5.5

V

10

15

µA

1.5

3

mA

2.55

2.75

V

150

mV

Internal Reference

VSENSE Bias Current

Open Loop Gain (1)

Unity Gain Bandwidth (1)

Slew Rate (1)

TA = 25°C

VCC = 2.75V to 5.5V, TA = 25°C

TA = -40oC to 85oC

VCOMP = 0.4V to 1.8V

0.792

0.788

0.784

70

0.8

0.808

V

0.8

0.812

0.8

0.816

25

nA

80

dB

4

MHz

2

V/µs

 2006 Semtech Corp.

2

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