Mitsubishi M62216GP, M62216FP Datasheet

MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
DESCRIPTION
The M62216FP is designed as low voltage operation STEP-UP DC-DC converter. This IC can operate very low input voltage (over 0.9V) and low power dissipation (circuit current is less than 850µA). So, this IC suitable for power supply of portable system that using low voltage battery (DRY battery, rechargeable battery).
FEATURES
• Pre-Drive type PWM output (Pre-Drive only)
• Low voltage Operation • • • • • • • • • • • • VIN=0.9V min.
• Low Current Dissipation • • • • • • • • • • • • IB=850µA typ.
• Pre-Drive output current can be adjusted
• Built-in ON/OFF Function • • • • • • • • • • IB(OFF)=35µA typ.
• Application for STEP-DOWN Converter can be used
APPLICATION
DC-DC Converter for portable sets of battery used
PIN CONFIGURATION(TOP VIEW)
GND
1 2 3 4
OUTLINE: 8P2S-A(FP) 8P2X-A (GP)
DRIVE2 DRIVE1
PWM
8 7 6 5
BIAS ON/OFF IN FB
VREF Iconst
Amp
6 5
IN FB
ON/OFF
7
OSC
Start
Start OSC
PWM Comp
4
GND
BIAS
8
DRIVE2
1
DRIVE1
2
PWM
3
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9812
MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
ABSOLUTE MAXIMUM RATINGS (Ta=25°C , unless otherwise noted)
Symbol
VIN
VBIAS VDRIVE1 VDRIVE2
IDRIVE1 IDRIVE2
Pd Topr Tstg
Input Voltage Bias Terminal Supply Voltage Drive1 Terminal Supply Voltage Drive2 Terminal Supply Voltage Drive1 Terminal Input Current Drive2 Terminal Input Current Power Dissipation Operating Temperature Storage Temperature
Parameter
Ta=25°C
Condition
Ratings Unit
15.5
15.5
15.5
15.5 100
10
440 (FP) 250 (GP)
-20 ~+85
-40 ~+150
V V V
V mA mA mW
°C °C
ELECTRICAL CHARACTERISTICS (Ta=25°C, VIN=1.7V, VOUT=VBIAS=3.0V, unless otherwise noted)
0.9
1.7
1.20
260
30 95
82
-1
-1
Limits
850
35
1.26 10 20
70
800
45
125
87
1.0
0.03
2
0.65
Max.Typ.Min.
15 V 15
1200
47
1.32 30
60
155
92
0.5
1.2 1
1
0.3 3
0.75
Unit
Block Symbol Parameter Test Condition
VIN
All Device
Voltage Reference
Error Amp.
Osc.
ON/OFF
*1 : Setting range of BIAS voltage as same as setting range of output voltage .
VBIAS IB IB(OFF)
VREF VREF
IIN
AV
IFB+ IFB-
fosc
DUTYmax
Vsat1
Vsat2 IL1 IL2
VPWM(L)
ION
VTH(ON)
Input Voltage Range BIAS Voltage Setting Range *1
BIAS Current BIAS Current at OFF Mode Reference Voltage BIAS Voltage Regulation of VREF Input Current Open Loop Voltage Gain FB Terminal Sink Current FB Terminal Source Current Oscillation Frequency Maximum ON Duty
Saturation Voltage between PWM Term. and DRIVE1 Term.
Saturation Voltage between PWM Term. and DRIVE2 Term.
Leak Current of DRIVE1 Terminal Leak Current of DRIVE2 Terminal
Output Low Voltage of PWM Terminal Input Current of ON/OFF Terminal
At ON Status Threshold Voltage of ON/OFF
Terminal
Use internal amp as Buffer-amp
VBIAS=1.7~15V IN = 1V / IM
fIN = 100Hz , Null Amp Operation
IN = 1.4V , FB = 1.25V / IM IN = 1.1V , FB = 1.25V / IM PWM Terminal Monitored
PWM Terminal Monitored , IN = 1.1 V
IDRIVE1=50mA, IDRIVE2=5mA
IN = 1.4V IN = 1.4V
IPWM = 1mA
V µA µA
V
mV
nA dB
µA µA
kHz
%
V0.25
V µA
µA
V µA
V
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2
Application circuit
(1). Standard Application circuit
VIN VOUT
MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
L
Di
56
7
ON/OFF
GNDFBIN
4
CIN
(2). Application circuit 1 (VIN 1.7V)
VIN VOUT
CIN
IN
7
ON/OFF
GNDFB
56
(3). Application circuit 2 (VOUT > 15V)
VIN VOUT
DRIVE1 DRIVE2
PWM
DRIVE2 DRIVE1
PWM
4
BIAS
BIAS
8 1 2
3
RD2 RD1
Tr
CO
R1
VIN : 0.9 ~ 14V VOUT : 1.7 ~ 15V (VOUT > VIN)
R2
Tr
Di
RD2 RD1
R1
CO
VIN : 1.7 ~ 14V VOUT : 2.5V ~ 15V ( VOUT > VIN)
L
8 1
2 3
R2
Di
L
CIN
6
FBIN
7
ON/OFF
GND
45
BIAS DRIVE2 DRIVE1
PWM
8 1
2 3
(4). Application circuit for STEP-DOWN Circuit
VIN VOUT
CIN
6
7
ON/OFF
GNDFBIN
45
BIAS DRIVE2 DRIVE1
PWM
8 1 2 3
RD2
RD1
RD2
RD1
Tr
Tr
Di
VIN : 1.7 ~ 15V
CO
VOUT : 15V ~ ( VOUT > VIN)
R1
R2
L
CO
R1
VIN : 2.0 ~ 15V VOUT : 1.7V ~ 14V ( VOUT < VIN)
R2
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OFF STATE BIAS CURRENT vs.
BIAS VOLTAGE (ON/OFF=GND)
TYPICAL CHARACTERISTICS
MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
THERMAL DERATING
(ABSOLUTE MAXIMUM RATING)
600
500
FP
400
300
GP
200
100
0
0 25 50 75 100 125 150
AMBIENT TEMPERATURE Ta (°C)
BIAS CURRENT vs. AMBIENT
TEMPERATURE
1.6
VBIAS=1.7V
1.4
1.2
VBIAS=3.0V VBIAS=15V
BIAS CURRENT vs. BIAS VOLTAGE
1.6
1.4
1.2
1.0
0.8
0.6
0.4 0 2 4 6 8 10 12 14 16
80
60
(Ta=25°C)
BIAS VOLTAGE VBIAS (V)
Ta= -20°C Ta= +25°C
Ta= +85°C
1.0
0.8
0.6
0.4
-40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE Ta (°C)
OPEN LOOP GAIN vs. INPUT FREQUENCY
(Vin=0.1Vrms , Null Amp , Ta=25°C)
100
VBIAS=1.7V VBIAS=3.0V
80
60
40
20
0.01 0.1 1 10 100 INPUT FREQUENCY fin (KHz)
VBIAS=15V
40
20
0
0 2 4 6 8 10 12 14 16
BIAS VOLTAGE VBIAS (V)
FB VOLTAGE vs. FB SINK CURRENT
(VBIAS=3.0V, IN=1.4V)
1.25
1.00
0.75
0.50
0.25
0.00 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
FB SINK CURRENT IFB+ (mA)
Ta= -20°C Ta= +25°C
Ta= +85°C
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MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
FB SOURCE CURRENT vs. FB VOLTAGE
60
50
40
30
20
10
0
0 0.5 1.0 1.5 2.0 2.5 3.0
160
140
120
(VBIAS=3.0V, IN=1.1V)
Ta= -20°C Ta= +25°C Ta= +85°C
FB VOLTAGE VFB (V)
OSCILLATING FREQUENCY vs.
AMBIENT TEMPERATURE
(PWM Terminal Monitored, IN=1.1V)
VBIAS=1.7V VBIAS=3.0V VBIAS=15V
OSCILLATING FREQUENCY vs.
BIAS VOLTAGE
(PWM Terminal Monitored , Ta=25°C)
160
140
120
100
80
0 2 4 6 8 10 12 14 16
BIAS VOLTAGE VBIAS (V)
MAX ON DUTY vs. BIAS VOLTAGE
(PWM Terminal Monitored, IN=1.1V, Ta=25°C)
100
95
90
85
100
80
-40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE Ta (°C)
MAX ON DUTY vs. AMBIENT TEMPERATURE
(PWM Terminal Monitored , IN=1.1V)
100
VBIAS=1.7V
95
90
85
80
75
-40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE Ta (°C)
VBIAS=3.0V VBIAS=15V
80
75
0 2 4 6 8 10 12 14 16
BIAS VOLTAGE VBIAS (V)
SATURATION VOLTAGE BETWEEN PWM-DRIVE1
TERMINAL vs. INPUT CURRENT OF DRIVE1 TERMINAL
1.0
0.8
0.6
0.4
0.2
0.0
INPUT CURRENT OF DRIVE1 TERMINAL IDRIVE1 (mA)
(IDRIVE2=5mA, IN=1.1V, Ta=25°C)
VBIAS=1.7V VBIAS=3.0V VBIAS=9.0V VBIAS=15V
0 10 20 30 40 50 60 70
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MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
SATURATION VOLTAGE BETWEEN PWM-DRIVE1
TERMINAL vs. INPUT CURRENT OF DRIVE1 TERMINAL
0.5
0.4
0.3
0.2
0.1
0.0
INPUT CURRENT OF DRIVE1 TERMINAL IDRIVE1 (mA)
(VBIAS=3.0V, IN=1.1V, Ta=25°C)
IDRIVE2=2mA IDRIVE2=5mA
IDRIVE2=10mA
0 20 40 60 80 100 120
PWM OUTPUT LOW VOLTAGE
vs. PWM SINK CURRENT
0.6
0.5
0.4
(VBIAS=3.0V,IN=1.4V)
SATURATION VOLTAGE BETWEEN PWM-DRIVE2
TERMINAL vs. INPUT CURRENT OF DRIVE2 TERMINAL
1.7
1.5
1.3
1.1
0.9
0.7 0 2 4 6 8 10 12
INPUT CURRENT OF DRIVE2 TERMINAL IDRIVE2 (mA)
(IN=1.1V, Ta=25°C)
VBIAS=1.7V IDRIVE1=20mA VBIAS=3.0V IDRIVE1=50mA VBIAS=15V IDRIVE1=40mA
INPUT ON CURRENT
vs. AMBIENT TEMPERATURE
4.0
3.0
0.3
0.2
0.1
0.0 0 2 4 6 8 10 12
PWM SINK CURRENT (mA)
THRESHOLD VOLTAGE OF ON/OFF TERMINAL
vs. AMBIENT TEMPERATURE (VBIAS=3.0V)
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE Ta (°C)
Ta= -20°C
Ta=+25°C Ta=+85°C
2.0
1.0
0.0
-40 -20 0 20 40 60 80 100 AMBIENT TEMPERATURE Ta (°C)
MAX LOAD CURRENT FOR START-UP(*1)
200 175
150 125 100
75 50
25
0
0.8 1.0 1.2 1.4 1.6
vs. INPUT VOLTAGE
(Standard Application Circuit, Vo=3.0V, Ta=25°C)
INPUT VOLTAGE VIN (V)
VBIAS=VON=1.7V VBIAS=VON=3.0V
VBIAS=VON=15V
Tr:2SC3052-F, L:68uH, RD1:680, RD2:1.6K
Tr:2SC3439-H, L:22uH, RD1:1.3K, RD2:3.3K
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MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
(Standard Application circuit:
VIN=1.5V,Vo=3.0V, Ta=25°C)
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
EFFICIENCY vs. LOAD CURRENT
100
80
60
40
Tr:2SC3052-F
20
0
1 10 100 1000
LOAD CURRENT Io (mA)
Tr:2SC3439-H
EFFICIENCY vs. LOAD CURRENT
(Application circuit 1: VIN=3.0V,Vo=5.0V, Ta=25°C)
100
80
60
MAX LOAD CURRENT FOR START-UP(*2)
200 175
150 125 100
75 50
25
0
1.5 2.0 2.5 3.0 3.5 4.0
vs. INPUT VOLTAGE
(Application circuit 1: Vo=5.0V, Ta=25°C)
Tr:2SC3052-F,L:150µH, RD1:750,RD2:3.6K
Tr:2SC3439-H,L:22µH, RD1:1.3K,RD2:6.8K
INPUT VOLTAGE VIN (V)
40
Tr:2SC3052-F
20
0
1 10 100 1000
LOAD CURRENT Io (mA)
Tr:2SC3439-H
*1, *2 : These characteristics show the maximum output load current when start-up. Therefore, output voltage can grown-up to setting voltage less than a curve in the graph when using these external components value. ( • 2SC3052-F : hFE=250 ~ 500, 2SC3439-H : hFE=600 ~ 1200)
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Equation for Constants Calculation
MITSUBISHI SEMICONDUCTOR<STD-Linear IC>
M62216FP/GP
Low Voltage Operation STEP-UP DC-DC Converter
Constants
TON
TOFF
TON+TOFF
TOFF(MIN)
TON(MAX)
Ipk
L(MIN)
R1
RD1
RD2
Standard Application Circuit
VO + VF - VIN VIN - VCE(sat)
1
fosc
TON + TOFF
TON
1 +
TOFF
1
- TOFF(MIN)
fosc
2 * 1 + * (Io + IB)
(VIN - VCE(sat))
TON
TOFF
2
* TON(MAX)
2 * Vo * (Io + IB)
Vo
- 1 * R2
VREF
Vo - (VBE + Vsat1)
(Ipk / hFE) * A1
Vo - (VBE + Vsat2)
(Ipk / hFE) * A2
2
* fosc
Application Circuit 1 Application Circuit 2
VO + VF - VIN VIN - VCE(sat)
VO + VF - VIN VIN - VCE(sat)
1
fosc
TON + TOFF
TON
1 +
TON + TOFF 1 +
TOFF
1
- TOFF(MIN)
fosc
2 * 1 + * Io
(VIN - VCE(sat))
TON TOFF
2
* TON(MAX)
2 * Vo * Io
Vo
VREF
Vo - (VBE + Vsat1)
(Ipk / hFE) * A1
Vo - (VBE + Vsat2)
(Ipk / hFE) * A2
- 1 * R2
2
* fosc
1
fosc
2 * 1 + * Io
(VIN - VCE(sat))
Vo
VREF
VIN - (VBE + Vsat1)
(Ipk / hFE) * A1
VIN - (VBE + Vsat2)
(Ipk / hFE) * A2
1
fosc
TON
TOFF
- TOFF(MIN) TON
TOFF
2
* TON(MAX)
2 * Vo * Io
- 1 * R2
2
* fosc
Constants
TON
TOFF
TON+TOFF
TOFF(MIN)
TON(MAX)
Ipk
L(MIN)
R1
RD1
RD2
STEP-DOWN Circuit
VO + VF
VIN - VCE(sat) - Vo
1
fosc
TON + TOFF
TON
1 +
TOFF
1
- TOFF(MIN)
fosc
2 * Io
(VIN - VCE(sat) - Vo) * TON(MAX)
Io
Vo
- 1 * R2
VREF
Vo - VBE - Vsat1
Ipk / hFE
VIN - Vsat2
(Ipk / hFE) * A3
Notice)
• VF : Forward voltage of external diode.
• VCE(sat) : Saturation voltage of external transistor.
• VBE : Voltage between Base - Emitter of external transistor.
• hFE : hFE of external transistor at saturating.
• A1 : Ratio of current into DRIVE1 terminal. (A1 = 0.8 ~ 0.9)
• A2 : Ratio of current into DRIVE2 terminal. (A2 = 1 - A1)
• A3 : Ratio of current into DRIVE2 terminal. (A3 = 0.1 ~ 0.2)
• Set R2 to several K ~ several 10ths k.
• Set current into DRIVE2 terminal more than 100µA. (Ipk / hFE) * A2 100µA, (Ipk / hFE) * A3 100µA,.
• Set Io to 1/ 5 ~ 1/ 3 of maximum load current.
• The maximum rating of current of external parts (transistor, diode and inductor) are 1.5 to 2 times of Ipk.
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