Ricoh R3111x Series Manuel d'utilisateur télécharger pdf (Page 25)

R3111x

• Voltage level Indicator Circuit (lighted when the power runs out)

(Nch Open Drain Output)

R3111xxxxA

Series

GND

OUT

• Detector Threshold Adjustable Circuit

(Nch Open Drain Output)

R3111xxxxA

Series

GND

OUT

Adjusted Detector Threshold

=(−VDET)×(Ra+Rb)/Rb

Hysteresis Voltage

=(VHYS)×(Ra+Rb)/Rb

∗) If the value of Ra is set excessively large, voltage

drop may occur caused by the supply current of IC

itself, and detector threshold may vary.

• Window Comparator Circuit

(Nch Open Drain Output)

R3111xxxxA

Series

GND

OUT

R3111xxxxA

Series

GND

OUT

−

DET

WC_OUT

−

DET

−V

DET

GND

WC_OUT

−V

DET

GND

• Over-charge Preventing Circuit

R3111xxxxC

Series

GND

OUT

R4R2

Light

Solar Battery

Load

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 43 44

R3111x SERIES 1
BLOCK DIAGRAMS 2
SELECTION GUIDE 3
PIN CONFIGURATIONS 4
PIN DESCRIPTIONS 4
ABSOLUTE MAXIMUM RATINGS 5
ELECTRICAL CHARACTERISTICS 6
• R3111x27xA/C Topt=25°C 7
• R3111x36xA/C Topt=25°C 7
• R3111x45xA/C Topt=25°C 8
• R3111x54xA/C Topt=25°C 8
• R3111Q231B Topt=25°C 9
• R3111Q441B Topt=25°C 9
TIMING CHART 10
• R3111x09x to R3111x60x 12
• Operation of R3111xxxxA 14
• Explanation of operation 14
• Operation of R3111xxxxB 15
• Operation of R3111xxxxC 16
TYPICAL CHARACTERISTICS 18
Output Voltage VOUT(V) 19
Output Voltage V 20
Output Current IOUT(mA) 21
Output Current I 22
Output Delay Time tP(ms) 23
TYPICAL APPLICATION 24
• Window Comparator Circuit 25
PACKAGE DIMENSIONS 27
POWER DISSIPATION (TO-92) 28
TAPING REEL DIMENSIONS 29
POWER DISSIPATION (SOT-89) 30
TAPING SPECIFICATION 31
POWER DISSIPATION (SOT-23-5) 32
RECOMMENDED LAND PATTERN 32
POWER DISSIPATION (SOT-23-3) 34
POWER DISSIPATION (SC-82AB) 36
MARK INFORMATION 39

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Ricoh R3111x Series Manuel d'utilisateur Page 25

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