MAX1968 データシートの表示（PDF） - Maxim Integrated

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MAX1968

Power Drivers for Peltier TEC Modules

Maxim Integrated 

MAX1968/MAX1969

Power Drivers for Peltier TEC Modules

Electrical Characteristics (continued)

(VDD = PVDD1 = PVDD2 = SHDN = 5V, PGND1 = PGND2 = FREQ = GND, CTLI = MAXV = MAXIP = MAXIN = REF, CREF = 1µF,

CCOMP = 0.01µF, LLX_ = 3.3µH, CCS = COS2 = 1µF, ITEC < 3ARMS (MAX1968), ITEC < 6ARMS (MAX1969), TA = -40°C to +85°C,

unless otherwise noted.) (Note 4)

PARAMETER

OS1, OS2, CS Input

Current

SHDN, FREQ Input

Current

SHDN, FREQ Input

Low Voltage

SHDN, FREQ Input

High Voltage

SYMBOL

IOS1,

IOS2, ICS

ISHDN,

IFREQ

0 or VDD

0 or VDD

CONDITIONS

VIL

VDD = 3V to 5.5V

VIH

VDD = 3V to 5.5V

MIN

-100

-5

VDD x

0.75

TYP

MAX

UNITS

+100

µA

+5

µA

VDD x

0.25

V

MAXV Threshold

Accuracy

VMAXV = VREF x 0.67, VOS1 to VOS2 =

±4V, VDD = 5V

-2

VMAXV = VREF x 0.33, VOS1 to VOS2 =

±2V, VDD = 3V

MAXV, MAXIP, MAXIN

Input Bias Current

IMAXV-BIAS,

IMAXI_-BIAS

VMAXV = VMAXI_ = 0.1V or 1.5V

-0.1

CTLI Gain Accuracy

ACTLI

VCTLI = 0.5V to 2.5V (Note 3)

9.5

CTLI Input Resistance

RCTLI 1MΩ terminated at REF

0.5

Error-Amp

Transconductance

gm

50

ITEC Accuracy

VOS1 to VCS = +100mV or -100mV

-10

+2

%

+0.1

10.5

2.0

175

+10

µA

V/V

MΩ

µA/V

%

Note 2: Includes power FET leakage.

Note 3: CTLI Gain is defined as:

ACTLI

=

(VCTLI

VOS1

−

−

VREF )

VCS

Note 4: Specifications to -40°C are guaranteed by design, not production tested.

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