34704 datasheet(9/54 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

34704

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 4. Static Electrical Characteristics

Characteristics noted under conditions 2.7 V

≤ VIN ≤ 5.5 V, -20°C ≤ TA ≤ 85°C, GND = 0 V, unless otherwise noted. Typical

values noted reflect the approximate parameter means at TA = 25°C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

POWER INPUT

Input Supply Voltage Typical Range

VIN

2.7

5.5

Input DC Supply Current(9)

VIN Pin Only

All regulators are ON, no load; VIN = 3.6 V, FSW =1.0 Mhz

Regulators 1 - 5 On, Reg 6, 7 and 8 Off; VIN = 3.6 V, FSW = 1.0 Mhz

IIN

Input DC Shutdown Supply Current(9)

(Shutdown, All regulators are OFF and VIN = 5.5V)

This includes any pin connected to the battery

IOFF

5.0

μA

Rising UVLO Threshold

UVLOR

3.0

Falling UVLO Threshold

UVLOF

2.7

RST

RST Low Level Output Voltage

IOL = 1.0 mA

VRST-OL

0.4

RST Leakage Current, Off-state @ 25°C

IRST-LKG

1.0

Current Limit Monitoring

Over and Short-circuit Current Limit Accuracy

-20

REGULATOR 1 & VG

VG Output Voltage

VVG

5.0

REG1 Output Voltage(10)

VOUT

5.0

Output Accuracy

-4.0

4.0

Line/Load Regulation(9)

REGLN/LD

-1.0

1.0

Dynamic Voltage Scaling Range

VDYN

-10

Dynamic Voltage Scaling Step Size

VDYN_STEP

2.5

Continuous Output Current(9)

IOUT

100

500

Over-current Limit (Detected in Low Side FET)

ILIM_ION

2.7

Short-circuit Current Limit (Detected in the Blocking FET)

ISHORT_ION

4.0

Over-current Limit Accuracy

-20

N-CH Switch Power MOSFET RDS(ON)

RDS(ON)-SW

100

N-CH Synch. Power MOSFET RDS(ON)

RDS(ON)-SY

150

N-CH Shutdown Power MOSFET RDS(ON)

RDS(ON)-SH

100

Discharge MOSFET RDS(ON)

RDS(ON)-DIS

Thermal Shutdown Threshold(9)

TSD

170

°C

Thermal Shutdown Hysteresis(9)

TSD-HYS

°C

SW1 Leakage Current (Off State) @ 25°C

ISW1_LKG

1.0

μA

Peak Current Detection Threshold at Power Up(9)

IPEAK

300

Notes:

Guaranteed by Design

10.

Available only on the 34704A

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