SMB119 datasheet(9/34 Pages) SUMMIT

Part #	SMB119

Description	Seven-Channel Programmable DC-DC Power Manager

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	SUMMIT [Summit Microelectronics, Inc.]

Direct Link	http://www.summitmicro.com

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9 / 34 page

SMB119

Summit Microelectronics, Inc

DC OPERATING CHARACTERISTICS (CONTINUED)

(Over commercial operating conditions, unless otherwise noted. All voltages are relative to GND.)

Channel [7:5] – Step-down BUCK

VOUT

Voltage (nominal set point)

VIN[7:5]=4.2V, ILOAD=0A

+0.5

VIN

Note 2, VOUT = 2.5V,

T = -40°C to +85°C

-2

±1

∆VOUT

Voltage accuracy

Note 2, VOUT = 1.2V,

T = 0°C to +70°C

-2

±1

VFB

Feedback Voltage Reference

range

Programmable in 4mV steps

Error amp transconductance

160

umho

IEA

Error amp output drive

±20

µA

RCS

CS amplifier transresistance

ILOAD = 500mA

1.2

Ω

RHS

HS Switch Resistance

ILOAD = 500mA

320

Ω

Output High

5.5

Ω

RDRVL

LS Gate drive impedance

Output Low

2.7

Ω

Vcl

Clamp threshold voltage

Programmable 1.0, 1.1, 1.2,

1.5V

1.0

1.5

Vcl_acc

Clamp threshold voltage

Accuracy

Clamp threshold 1.0 and 1.5V

±5

Maximum, VBATT = 4.2V

100

D.C.

Duty Cycle

Minimum, PWM mode,

VBATT = 4.2V

SMB119 Datasheet(PDF) 9 Page - Summit Microelectronics, Inc.

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