tk11859f Toko Inc., tk11859f Datasheet

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tk11859f

Manufacturer Part Number
tk11859f
Description
??LED???? ???DC-DC??????IC????
Manufacturer
Toko Inc.
Datasheet
CONTENTS
1 . DESCRIPTION
2 . FEATURES
3 . APPLICATIONS
4 . TYPICAL APPLICATION
5 . PIN CONFIGURATION
6 . BLOCK DIAGRAM
7 . ABSOLUTE MAXIMUM RATINGS
8 . ELECTRICAL CHARACTERISTICS
9 . TEST CIRCUIT
10 . TYPICAL CHARACTERISTICS
11 . PIN DESCRIPTION
12 . CIRCUIT DESCRIPTION
13 . APPLICATIONS INFORMATION
14 . PACKAGE DESCRIPTION
15 . NOTES
16. OFFICES
アプリケーションマニュアル
昇圧型DC-DCコンバータ用ICのご紹介
GC3-N015
10
11
14
16
17
17
2
2
2
2
3
3
4
5
6
7
白色LEDドライバ
TK11859F
Page 1

Related parts for tk11859f

tk11859f Summary of contents

Page 1

... TYPICAL CHARACTERISTICS 11 . PIN DESCRIPTION 12 . CIRCUIT DESCRIPTION 13 . APPLICATIONS INFORMATION 14 . PACKAGE DESCRIPTION 15 . NOTES 16. OFFICES 昇圧型DC-DCコンバータ用ICのご紹介 GC3-N015 白色LEDドライバ TK11859F Page 1 ...

Page 2

... SBD 7 RB551V-30 (ROHM OUT 2.2µ 0.1µF R LED 9.1Ω GC3-N015 TK11859F TK11859F Efficiency vs 4LEDs, LED Current 20mA ) 100 2.0 2.5 3.0 3.5 4.0 4 ...

Page 3

... Over Current Detector Error Amp 0.179V GC3-N015 TK11859F 機能 イネーブル(ON/OFF)端子 電源電圧入力端子 GND端子 電圧フィードバック端子 エラーアンプ出力端子 ...

Page 4

... A 記号 定格 22.5 SW MAX V -0 -0 -0.3 ~ 1.2 EAOUT V -0 OVP OVP I 1.2 SW PEAK MAX P 600 D T -55 ~ +150 STG T - 2.3 ~ 16.0 OP GC3-N015 TK11859F =25 ° 単位 条件 °C °C V Page 4 ...

Page 5

... MAX V 1.2 - EN,HIGH EN,LOW ENIN I 0.24 0.36 SW,LIMIT V - 0.12 SW,SAT I - 0.01 SW,OFF V 18.0 20.0 OVP V 1.7 2.0 IN,LOW I 1.7 2.8 IN, 0.01 IN,OFF GC3-N015 TK11859F = V =3V 単位 条件 MAX 1.56 MHz 191 mV µA 1 MHz A =0dB = =1.0V FB µA -21 V =0.45V EAOUT µ =0.45V EAOUT ...

Page 6

... TEST CIRCUIT 測定回路図 PGND GND OVP OUT GC3-N015 TK11859F OVP I =0.18mA Z I EAOUT,SINK I V EAOUT,SOURCE EAOUT V EA Page 6 ...

Page 7

... Supply Current is nearly 0 0.5 0.4 0.3 0.2 0.1 0 Supply Voltage ( = 300 270 240 210 180 150 120 -30 - Temperature (º =3V, V =0V, I =10mA 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 -30 - Temperature (ºC) TK11859F Page 7 ...

Page 8

... Switch Current (mA) V =3V 250 225 T =-20ºC A 200 175 150 T =25ºC A 125 100 T =85º Input Voltage ( =3V 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 -30 - Temperature (ºC) TK11859F 240 Page 8 ...

Page 9

... V =0V 1000 900 800 700 600 500 400 300 200 100 Open-Circuit Voltage (V) Open-Circuit Voltage vs. Temperature =25ºC V =3V 22.0 21.5 21.0 20.5 20.0 19.5 19.0 18.5 18.0 17.5 17.0 -30 GC3-N015 TK11859F =0.3V, V =0V, I =0.18mA - Temperature (ºC) Page 9 ...

Page 10

... IN )に減電されると、スイッチング動作 IN,LOW です。 TYP に制御されま TYP です。 PEAK TK11859F Page 10 ...

Page 11

... Error Amp. Out (5Pin) OSC PWM Comp. Out SW.Tr Collector SW. Tr Collector Current Inductor Current Error Amplifer Pin4 (FB) Fig.1: Internal equivalent circuit of PWM Comparator 0mA Fig.2: Timing Diagram of PWM Comparator GC3-N015 TK11859F Oscillator PWM Comparator V IN Current Sense Comp. Out Idle Period Setting Voltage Page 11 ...

Page 12

... Operating supply voltage range TK11859F は、電源電圧が 2.0V 以下 ( 低入力停止電 圧 V IN,LOW を停止します。推奨動作範囲は 2.3V から 16V までで ...

Page 13

... EN(ON/OFF) EN 端子に 1.2V 以上を印可すると TK11859F は全回 路動作状態となります。 EN 端子を 0.3V 以下にする と IC はスイッチングトランジスタをオフするととも ...

Page 14

... Error Amp 0.179V Fig.7: Typical 3 LEDs Application V =4. DB3018C_22uH : D310C_22uH : D3313FB_15uH 15 20 GC3-N015 PGND SBD RB551V-30 (ROHM) OVP 6 C OUT 2.2µF EA OUT LED EA 0.1µF R LED Efficiency Curve ( 3LEDs, Input Voltage 4.2V DB3018C_22uH 60 : D310C_22uH : D3313FB_15uH LED Current (mA) TK11859F 20 Page 14 ...

Page 15

... Error Amp 0.267V Fig.8: Typical 4 LEDs Application V =4. DB3018C_22uH : D310C_22uH : D3313FB_15uH 15 20 GC3-N015 PGND SBD RB551V-30 (ROHM) OVP 6 C OUT 2.2µF EA OUT LED EA 0.1µF R LED Efficiency Curve ( 4LEDs, Input Voltage 4.2V DB3018C_22uH 60 : D310C_22uH : D3313FB_15uH LED Current (mA) TK11859F 20 Page 15 ...

Page 16

... Mark Lead Free Mark Lot No. +0.10 −0.05 0.30 0.10 M +0.2 3.0 −0 (0. Exposed metal tabs 5 捺印表示 原産国 質量 GC3-N015 TK11859F 0.4 #2 0.5 0.65 Reference Mount Pad − + 2.8 (0.2) Unit : mm : レーザー : 日本 : 0.015g Page 16 ...

Page 17

... TEL: 049-279-1655 FAX: 049-279-1861 技術部 〒 350-2281 埼玉県鶴ヶ島市大字五味ヶ谷十八 TEL: 049-279-1661 FAX: 049-279-1861 Semiconductor Division YOUR DISTRIBUTOR(取扱店) GC3-N015 TK11859F Page 17 ...

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